The following is a list of the circuits, formulas, charts, and other information included in CyberCircuit Plus.
Category... Amplifier Inverting Amplifier Non-Inverting Amplifier Difference Amplifier Unity gain buffer Common emitter amplifier Common base amplifier Summing amplifier Common collector amplifier Photoconductive cell amplifier Photodiode amplifier Photovoltaic cell amplifier AC amplifier - 74C04 FET cascode video amplifier Ultra-high Zin ac unity gain amplifier Simple pressure sensor amplifier Magnetic transducer amplifier Non-inverting amplifier from a voltage comparator Ultra-high gain audio amplifier - JFET Voltage controlled variable gain amplifier Level shifting-isolation amplifier High impedance low capacitance wideband buffer High impedance low capacitance wideband amplifier Adjustable bandwidth amplifier - CLC400 200 MHz cascode amplifier 10 watt non-inverting composite amp 10 watt inverting composite amp VHF amplifier - MAR-6 Self biasing JFET source follower Offset biased JFET source follower 500 megohm input impedance JFET amplifier Self biasing JFET common source amplifier Headphone amplifier - JFET Add-on preamp - JFET JFET common source amplifier JFET common source hybrid amplifier Simple emitter-follower High-stability emitter-follower Bootstrapped emitter-follower Bootstrapped Darlington emitter-follower Bootstrapped complementary-feedback pair Complementary emitter-follower with split supply Complementary emitter-follower with single supply Simple common emitter AC amplifier - NPN Common emitter amplifier with feedback biasing Common emitter amplifier with AC feedback biasing Common emitter amplifier with voltage divider bias Common emitter amplifier with gain of 10 Common emitter amplifier with AC shunted FB bias Wideband, two-stage common emitter amplifier High-gain, two-stage amplifier - NPN High-gain, two-stage amplifier - NPN/PNP Bootstrapped, high-gain, two-stage amplifier Common base AC amplifier - 2N3904 Differential amplifier or long-tailed pair Low impedance microphone balanced amplifier Precision instrumentation amp - LTC1043 DC servo amplifier - ELH0021 Reducing frequency-response peaking FET-input to op-amp for high input impedance Adjustable op amp gain using a FET Adjustable op amp gain using a photoresistor Simple video buffer Constant volume amplifier - 741 Piezoelectric transducer amplifier - OP-41 Saturated standard cell amplifier - LT1012 Two op amp intstrumentation amplifier - LT1002 1000 gain amp with 0.01% accuracy - LT1037 Tape head amplifier - LT1037 Instrumentation amp with +/-100v common mode range Instrumentation amp with low offset - LTC1050 Miniature 2 watt audio amplifier - MC13060 Audio amp with gain=20 - LM386 Audio amp with gain=200 - LM386 Squaring amplifier with hysteresis - LM3900 Non-inverting summing amplifier Non-inverting AC amplifier Offset voltage adjustment for inverting amplifier Offset voltage adjustment for non-inverting amp Offset voltage adjustment for voltage followers Offset voltage adjustment for differential amps Offset voltage adjustment for inv amp, Rs GT.10k Video distribution amplifier - EL2099 D/A converter buffer amplifier - CLC401 Tunnel diode detector amplifier - CLC401 Video monitor vertical deflection amp - ULN3751 Video amplifier - AD380 High voltage inverting amplifier - LM3900 High voltage non-inverting amplifier - LM3900 Low Noise Amplifier - OP-471E Capacitive load driving - OP-471 Low phase error amplifier - OP-471 Super low noise microphone preamplifier Micropower headphone amplifier - OP296 Pulse monitor amplifier - OP-493 Single supply RGB amplifier - AD8041 90v, -3v common mode range difference amplifier Hydrophone amplifier with DC servo - LT1113 Instrumentation amp with shield driver - LT1125 +85v to -100v common mode range instrument amp High input impedance difference amp - LT1078 Balanced transformerless microphone preamp Wideband instrumentation amp - LT1225 Differential voltage amp of a resistance bridge High gain amplifier with +/-1.5v supplies - LT1152 Inverting amplifier with high input resistance Monochromatic matrix amplifier - OPA660 Wide range AGC amplifier Low-drift wideband log amp - VCA610 Low-drift wideband exponential amp - VCA610 High input impedance AC voltage follower - LM741 Op amp uni-directional boosted output Op amp bi-directional boosted output Amplifier with a DC gain control - LM3900 Fast composite amp with low distortion Sensitive photodiode amplifier - OPA111 RIAA equalized phono preamp - OPA111 Auto-zero amplifier - OPA404 Switch selected programmable gain instr. amp Binary gain step, programmable gain instr. amp Single +3v supply instrumentation amp - OP291 Magnetic deflection amplifier - PA09 60w (rms) standard audio amplifier - PA10 300w high performance amplifier - PA04 Audio distribution amplifier - TL034 Microphone preamplifier - TLC27M2 Photo-diode amplifier with ambient light rejection Instrumentation amplifier with linear gain adjust Instrumentation amp with adjustable gain/null Amplifier with digital gain select - TLC271 Transimpedance amplifier - TL031A Variable gain RF amplifier - NE5212A Piecewise-linear amplifier (decreasing gain) Piecewise-linear amplifier (increasing gain) Bulletproof 1 kilowatt audio amplifier - PA30 AC coupled, single supply, non-inverting amp AC coupled, single supply, inverting amp Voltage follower with 1G ohm input resistance Ultra-low noise RIAA preamplifier - LM318 Impedance transformer amplifier Amplifier with active output clipping - OP77 Heads-up display deflection amplifier ECG amplifier with right leg drive Category... Automotive Courtesy light timer/control Low coolant level detector - ULN2429A Automobile battery monitor Voltage regulator - car/motorcycle Typical automotive supply transient summary Rear-window defogger control Turn-signal monitor Turn-signal monitor with delay Instrument panel lamp dimmer control Lead-acid battery percent charge vs. voltage graph Category... Comparators ORing comparator outputs Non-inverting comparator with hysteresis Inverting comparator with hysteresis Level detector and lamp driver - LM106 Basic comparator - LM139 Comparator driving CMOS - LM139 Comparator driving TTL - LM139 Comparator AND gate - LM139 Comparator OR gate - LM139 Comparator with output strobing Comparing input voltages of opposite polarities Hi-low limit comparator - LM139 50MHz trigger High-sensitivity voltage comparator - OP-50 Microvolt comparator with hysteresis - LT1007 Fast, 12-bit current comparator 2-wire comparator - LT1018 Variable temperature thermostat Frequency comparator - 74HCT74 Single comparator window detector Category... Converters Howland current pump - OP-50 Current to voltage converter - LM107 Video sync separator 0 to 360 degree phase shifter Pulse width modulator - LM555 Frequency divider - LM555 Pulse position modulator - LM555 Sine to square wave converter - LM555 Phase splitter with unity gain - 2N3904 Phase splitter - dual 2N3904 Temperature-to-frequency converter 300 to 75 ohm impedance converter Two input analog multiplier - LH0094 Precision two input analog multiplier - LH0094 Two input analog divider - LH0094 Precision two input analog divider - LH0094 Three input analog squarer - LH0094 Precision three input analog squarer - LH0094 Three input analog square root circuit - LH0094 Precision three input analog square root - LH0094 Low level analog square root - LH0094 Precision exponentiator (exponent LT 1) - LH0094 Precision exponentiator (exponent GT1) - LH0094 Clock frequency doubler Video to composite sync separator RMS to DC converter - AD637 Precision absolute value circuit - AD708 Precision current pump - OP-200 TV video modulator - MC1373 Low frequency divider - 2N6027 Capacitance to pulse width converter Tachometer - LM3900 Frequency differencing tachometer - LM3900 Frequency summing (averaging) tachometer - LM3900 Frequency doubling tachometer - LM3900 Composite video sync. separator - HA-2544 Balanced to single ended converter High speed precision rectifier RS232 receiver - LTC1045 Low frequency mixer - LM3900 VCA with amplitude modulation - SSM-2024 Linear amplitude modulator - AD633JN Simple RS-232 receiver Simple impedance matching circuit Temperature to frequency converter - TMP01, AD654 Op amp half-wave rectifier - LT1078 Op amp full-wave rectifier - LT1078 4mA to 20mA loop receiver - LT1101 RS-232 receiver - LTC489 RF mV range signal rectifier - OPA660 Pulse width modulator - LM139 Polarity switching circuit Difference of squares - AD532 Picoampere current-to-voltage converter - AD515A Isolated RS-232 receiver - MCT2 Low current, current-to-voltage converter - OPA128 Absolute value current-to-voltage converter Differential voltage-to-current converter - OPA445 +5v only, 12 bit, rail-to-rail DAC - OP291 Single supply half-wave and full-wave rectifiers Light to frequency converter - TSL230 Negative impedance converter Light-to-frequency converter with square wave out Single-to-differential converter - CLC427 Voltage-to-pulse duration converter - NE555 Bell System 202 data encoder Cyclic A-to-D converter - NE531 Voltage-to-frequency converter - pos input - VFC32 Voltage-to-frequency converter - neg input - VFC32 Frequency-to-voltage converter - VFC32 Category... Detectors Fast response peak detector Zero crossing detector - LM139 Adjustable threshhold line receiver Zero crossing detector - dual supplies - LM139 Dark activated relay - LM555 Minimum backlash dark activated relay - LM555 Light activated relay - LM555 Under-temperature activated relay - LM555 Over-temperature activated relay - LM555 15kHz signal detector Touch (or water) operated relay driver Piezo transducer force detector Air flow detector - LM335 Rain detector Blown fuse indicator - DC Blown fuse indicator - AC Line-hum touch switch Latching touch switch - 4066B Infrared transmitter/receiver pair Frequency shift keyed (FSK) demodulator Voice activated switch - MC2830 Air flow detector - LT1012 1MHz fiber optic PIN photodiode receiver 5kHz fiber optic phototransistor receiver Positive peak detector - LT1011 Negative peak detector - LT1011 Programmable frequency switch Ferrous metal detector - Hall-effect Ferrous metal notch detector - Hall-effect Lead acid low-battery detector - LT1078 Fast zero crossing detector - LT1116 Pin diode receiver - OPA660 Closed loop peak detector - LT1190 Open loop peak detector - LT1190 Fast pulse detector - LT1190 Heartbeat signal to logic level circuit Ultraviolet flame detector Breath-alcohol tester DC/AC voltage indicator Versatile slew rate detector - LF356 Pyroelectric infrared detector - OPA111 Zero bias Schottky diode square-law RF detector High sensitivity fiber optic receiver - OPA111 Low-droop peak detector - OPA111 Low-level light detector preamplifier 50Mb/s fiber optic receiver - NE5214, NE5211 Short-range optical switch with hysteresis Pulsed optical beam interrupter receiver Pulsed optical beam interrupter transmitter Optical proximity detector - TSL260 Precision threshold detector/amplifier - OP77 Photodiode log converter/transmitter - LM10 3.5MHz fiber optic receiver - LH0032 Bell System 202 data decoder Laser beam detection circuit - NE5534 Wide dynamic range light detector - OP-41 Earth's magnetic field detector Category... Drivers LED driver - common emitter LED driver - emitter follower NPN LED driver - emitter follower PNP Low voltage controlled triac switch Triac ac static contactor 3 position triac switch AC controlled triac switch Slave and master SCRs for zero-point switching Triac zero-point switch Sensitive-gate switch Zero-point SCR switch Relay driver - LM106 Motor speed control Dual video driver - MAX457 Darlington emitter follower relay driver DC motor direction control Simple relay driver - NPN Ultra-sensitive relay driver 1.5v powered laser diode driver - LT1110 Motor speed controller - LT1005 LED flasher - HT-2014M Overload protected motor speed control Op amp booster - EL2008 Coax cable driver - EL2005 CRT deflection yoke driver - ELH0021 Instrumentation Shield / line driver - ELH0033 1 amp lamp flasher - LM395 Low level power switch - LM395 Simple temperature controller - LM335 Soldering iron controller Current mirror Cascode current mirror - MAT-04AY Monochrome TV pattern generator Two terminal 4 to 20 ma transmitter - OP-22 Motor speed control with EMF feedback 100 MHz, 300 mA buffer - EL2003 Video coax 50 ohm line driver - HA-5033 Simple 1.5v LED flasher - LM3909 High-speed differential line driver - OP-471 Temperature independent current sink Cascode current source - PNP Video line driver - AD8002 Wideband (200MHz) differential driver- AD8002 Single ended to differential line driver 440Mbits/sec driver amplifier - OPA2662 Efficient dc lamp dimmer - 74C14 Temperature compensated LCD contrast circuit Stepper-motor pulse generator - CD4046 Line voltage temperature controller - TMP01 Precision current mirror - OPA1013 Driver amp for a 140Mbits/s transmission system Pseudo-ground driver - BUF634 Current-output valve driver - BUF634, OPA177 High performance headphone driver - BUF634 Bridge-connected motor driver - BUF634 Motor driver - OPA544 "H" bridge - OP295 Full-duplex transmission circuit - AD828 Fast power driver - PA19 Automatic display dimming - TSL220 Single supply cable driver - CLC423 Twelve channel video distribution amp/driver Single supply ac buffer - BUF-03 Motor speed control - LT1054 Resitive bridge two wire transmitter - LM10 Motor/tach servo system - LM12, LM107 Piezo flexture precision positioning system Wide bandwidth laser diode driver - WB05 Category... Filters Simple low pass filter - LM107 Rumble filter Scratch filter Micropower 400kHz active filter - CLC505 Low pass passive RC filter High pass passive RC filter 1MHz low pass filter - EL2003 1MHz high pass filter - EL2003 4.4MHz high Q notch filter - EL2003 Bandpass passive RC filter Balanced Wien-tone bandpass passive RC filter Wien bridge passive notch RC filter Balanced twin-T notch filter Negatively unbalanced twin-T notch filter 10kHz Butterworth, low pass filter Second order 10kHz, low pass filter Second order 100Hz, high pass filter Unity gain second order 100Hz, high pass filter 23.5 to 700 Hz variable high-pass filter 2.2kHz to 24kHz variable high-pass filter Passive bass tone control network Passive treble tone control network Passive bass and treble tone control network T-section power line input filter 60Hz high Q notch filter - OP-41 Active filter characteristics DC accurate, 3rd order, 100Hz, Butterworth filter Voltage controlled low pass filter - AD633 Voltage controlled high pass filter - AD633 Glitch/spike filter for analog circuitry FM wavetrap filter 1600kHz high-pass filter DC accurate antialiasing Bessel filter Voltage-controlled low-pass filter - VCA610 Voltage-controlled high-pass filter - VCA610 Voltage-controlled band-pass filter - VCA610 300Hz to 3.4kHz speech filter 4-pole Bessel voiceband low pass filter - OP292 Square wave to sine wave filter Multiple feedback bandpass filter - CLC423 Variable slew rate filter - OP-290 Category... Formulas Resistors in series Resistors in parallel Inductors in series Inductors in parallel Capacitors in series Capacitors in parallel Capacitance impedance Inductor impedance Ohm's law Decibel table and formula - voltage or current Wavelength formula Decibel formula and table - power Thermal resistance formulas Junction temperature formula Power dissipation formula Designing air core inductors RLC impedance, resonant frequency, and Q Waveform RMS, average, and crest factor Basic capacitor equations Basic inductor equations AC power formulas Johnson noise - white noise Cable characteristic impedance Standing wave ratio - SWR Hartley-Shannon law Trigonometric functions Differential-mode radiation Common-mode radiation Inductance of a flat conductor (PCB) Total input referred noise of an op amp Kirchoff's current law Kirchoff's voltage law PCB trace resistance Microstrip impedance and propagation delay Stripline impedance and propagation delay Delta to wye transform Wye to delta transform The Arrhenius model for failure rate acceleration Skin effect current penetration depth Category... Interface Logic to inductive load interface Negative to positive supply logic level shifter AC power-output computer-input interface RS232 to RS485 level translator - LTC490 Active terminator for SCSI-2 bus Pushbutton linear dimmer - LT-7700B CMOS or TTL lamp interface - LM395 Interfacing TTL to CMOS with equal supply voltages Interfacing CMOS to TTL with equal supply voltages Interfacing CMOS to TTL with unequal supplies Interfacing TTL to CMOS with unequal supplies Opto-isolated audio interface Strobe-flash slave adapter 1MHz fiber optic transmitter 1000 watt TRIAC light dimmer Low cost lamp dimmer Simple resistance measuring A/D Hall-effect digital switch to TTL interface Hall-effect digital switch to CMOS interface Hall-effect digital switch to LED interface Hall-effect digital switch to 4 amp load interface Hall-effect digital switch to 115v load interface LSTTL to CMOS interface with hysteresis Connecting multiple LEDs RS-232 to relay interface - SMI101B Light detector with microprocessor interface 3.5MHz fiber optic transmitter - LF356 TTL-to-MOS interface - LM339 ECL-to-TTL translator - NE529 TTL-to-ECL translator - NE527/529 Carrier-current remote control or intercom Solid state relay - LTC1177 Category... Measuring Fluid pressure transducer circuit Portable manometer Current monitor - LM301A Biofeedback monitor - PC Continuity tester - LM555 Voltmeter - JFET based Adjustable continuity tester Linear thermometer - LT1002 Milliohm adapter circuit - 7806 Thermocouple signal conditioner - LT1006 Basic fahrenheit temperature sensor - LM34 Basic centigrade temperature sensor - LM35 -50°F to +300°F temperature sensor - LM34 -55°C to +150°C temperature sensor - LM35 Two wire remote temperature sensor (°F) - LM34 Two wire remote temperature sensor (°C) - LM35 4 to 20 mA = 0 to +100°F fahrenheit sensor - LM34 4 to 20 mA = 0 to +100°C centigrade sensor - LM35 Basic Kelvin temperature sensor - LM335 Calibrated Kelvin temperature sensor - LM335 Minimum Kelvin temperature sensor - LM335 Average Kelvin temperature sensor - LM335 Thermocouple cold junction compensation - LM335 Single supply cold junction compensation - LM335 Centigrade calibrated thermocouple thermometer Picoammeter circuit with 4 ranges - CA3420 High input resistance voltmeter - CA3420 Transistor tester Measuring input offset volts and offset/bias current Logic probe - 7404 pH probe amplifier Thermocouple temperature with alarm - AD594 LVDT signal conditioner - AD598 Micropower cold junction comp. for thermocouples DC Ammeter - LM4250 10mV to 100V full-scale DC voltmeter - LM4250 DC nanoammeter - LM4250 Resistance bridge circuit Wheatstone bridge Low-ohms tester Megohm tester Liquid level sensing system - CA3240 Ratiometric temperature sensor - AD22100 4 to 20 mA = -40°C to +85°C - TMP01 Average kelvin temperature sensor - AD592 Minimum kelvin temperature sensor - AD592 Differential temperature sensor - AD592 Thermocouple cold junction compensation - AD592 Temperature to 4-20mA transmitter - AD592 Celsius or fahrenheit thermometer - AD592 High side current sensing amplifier - LTC1152 Measuring battery charging current - LMC6062 Measuring battery discharging current - LMC6062 Platinum RTD signal conditioner - LT1078 Battery integrating discharge monitor - LT1150 Laptop computer battery monitor - LTC1286 Inexpensive temperature sensor - 2N2222 1kHz linear-scale analog frequency meter Diode matching tester Less than 1 ohm continuity beeper Calculate ac watts with a voltmeter Beeper to find short circuits Chop DC output to get an AC standard Fluid level sensing with capacitance - CD4011 Thermocouple conditioner with proportional output Capacitance measurement with a time domain bridge Servo controlling bridge drive - LTC1150 Platinum RTD signal conditioner with A/D out Linear output thermistor bridge - LT1101 Simple, inexpensive precision barometer Bi-directional current monitor - OP-77 Linear output thermometer - TLE2022 Double-ended flashing voltage monitor - LM10 1kw power meter - LM394 Optoelectric pyrometer with transmitter - LM10 0-50°C temperature sensor - NE5514 Strain gauge amplifier - NE5234 Tonal voltmeter - 4046 Category... Misc. Gray code Resistor color code - 5%, 10%, 20% DTMF frequencies Common small signal transistors Common power transistors Common darlington transistors Common JFETs Common 1watt zener diodes Common 500mW zener diodes Prefix definitions MOSFET symbols JFET symbols Transistor symbols Diode symbols Thyristor symbols RS-232 pinout - 25 pin RS-232 pinout - 9 pin Parallel port pinout - 25 pin Centronics parallel interface pinout - 36 pin PC bus pinout - 62 pin Power supply ripple graph - full-wave Power supply ripple graph - half-wave Linear-log graph Log-log graph Linear-linear graph Time constant graph - capacitor charging Time constant graph - capacitor discharging Greek letters and symbols IEEE Microwave frequency bands Thermal resistance - device junction to case Thermal resistance - device case to ambient Thermal resistance - electrical insulators Quartz crystal equivalent circuit Standard resistor values - 1% and 1/2% Thermocouple Seebeck coefficients Integrated circuit temperature grades Capacitor characteristics IC packaging suffix codes Semiconductor bathtub hazard rate curve MIL-STD-883 environmental tests for semiconductors MIL-STD-883 mechanical tests for semiconductors SCSI connector pinout Standard resistor values - 5% Dimensions - 8 lead plastic DIP Dimensions - 14 lead plastic DIP Dimensions - 16 lead plastic DIP Dimensions - 18 lead plastic DIP Dimensions - 20 lead plastic DIP Dimensions - 24 lead plastic DIP Dimensions - 28 lead plastic DIP Dimensions - 8 lead small outline (SO) Dimensions - 14 lead small outline (SO) Dimensions - 16 lead small outline (SO) Dimensions - 16 lead small outline (wide) (SOL) Dimensions - 18 lead small outline (wide) (SOL) Dimensions - 20 lead small outline (wide) (SOL) Dimensions - 24 lead small outline (wide) (SOL) Dimensions - 28 lead small outline (wide) (SOL) Dimensions - 3 lead TO-220 Dimensions - 5 lead TO-220 Dimensions - 2 lead TO-3 metal can Dimensions - 4 lead TO-3 metal can Dimensions - 3 lead TO-92 PCMCIA card pinout Construction of low resistance shunts Resistor Color Code - Precision Wire Table Resistor voltage ratings Firefly flash emulator Solder pad layout - SO-8, SO-14, SO-16 Solder pad layout - SOL-16 thru SOL-28 Solder pad layout - 3 lead SOT-223 IBM PS/2 keyboard interface pinout IBM PC keyboard interface pinout RJ-11-4 modular jack and plug pinout RJ-11-6 modular jack and plug pinout RJ-45 modular jack and plug pinout RJ-45 keyed modular jack and plug pinout RJ-11-6 modified modular jack and plug pinout IBM PC color monitor interface pinout IBM PC monochrome monitor interface pinout IBM PS/2 monitor interface pinout Ethernet transceiver (MAU) interface pinout IEEE 488 interface pinout EIA-530 interface pinout V.35 interface pinout RS-449 interface pinout Interface standards for RS-232, RS-422, and RS-485 Vendors for heatsinks Vendors for low value resistors Vendor for thermal grease Vendors for thermally conductive washers Vendors for teflon tubing Vendor for resistance wire PCB copper thickness PCB maximum trace current Solder pad layout - TSSOP (0.173" body) Solder pad layout - SSOP (0.209" body) Solder pad layout - SSOP (0.150" body) Solder pad layout - SSOP (0.300" body) EIA capacitance marking EIA capacitance marking - small surface mount Inrush current of lamps Inrush current of inductive and capacitive loads Relay contact forms Eliminate relay or switch bounce PCB conductor width vs destruction current PCB conductor spacing vs breakdown voltage Dimensions - 16 lead plastic SSOP Dimensions - 20 lead plastic SSOP Dimensions - 24 lead plastic SSOP Dimensions - 28 lead plastic SSOP Dimensions - 20 lead plastic TSSOP Dimensions - 16 lead plastic TSSOP Dimensions - 14 lead plastic TSSOP Dimensions - 8 lead plastic TSSOP Dimensions - 24 lead plastic TSSOP Dimensions - 28 lead plastic TSSOP Dimensions - 20 lead PLCC Dimensions - 28 lead PLCC Dimensions - 44 lead PLCC Dimensions - 68 lead PLCC Dimensions - 84 lead PLCC Category... Misc. Analog Integrator Differentiator Positive voltage reference 1 - LM107 Negative voltage reference 1 - LM107 Negative voltage reference 2 - LM107 Positive voltage reference 2 - LM107 Darlington connected emitter follower Darlington connected common emitter Sample and hold with offset adjustment JFET ac coupled integrator Variable attenuator - 2N3685 High frequency switch - 2N4391 Low power regulator reference Low drift sample and hold High toggle rate high frequency analog switch Linear ramp generator - LM555 Diode bridge Basic amplifier characteristics White noise generator - zener White noise generator - transistor 100MHz two input multiplexer - EL2120 Simulated inductor - EL2003 Switch debouncer - RC Constructing a non-polarized capacitor Op amp guard ring connections Resistor multiplier - LT1012 Positive-edge differentiator Negative-edge differentiator Gyrator used in a telephone circuit Micropower, 10ppm/°C, +/-5v reference Simulated inductor - LM833 Difference integrator - LM3900 Analog adder/subtracter Op amp offset voltage test Op amp offset voltage test - simple Op amp bias/offset current test Op amp open loop gain test Op amp common mode rejection ratio test - simple Op amp common mode rejection ratio test Op amp gain bandwidth product test Gradual lamp turn on/off Zener diode simulator Dual output, buffered reference - LT1112 Power-down for op amp circuits - 74C907 Video fader - LT1228, LT1223 Video DC restore (clamp) - LT1228 Ground force reference - LTC1150, LT1010 Ultra-precision voltage divider - LTC1144 Noninverting, logarithmic, gain control - LT1251 Inverting, logarithmic gain, control - LT1251 Soft clipper - LT1256 Basic variable integrator - LT1256 Input bias current cancellation - LT1366 Rail-to-rail potentiometer buffer - LT1366 Differentiator for digitized video signals AC power controller for VCR Staircase waveform generator - LM3900 Potentiometer trimming techniques Capacitance multiplier - LM108 Negative capacitance multiplier - LM108 Variable capacitance multiplier - LM102, LM101A Variable 100W simulated resistive load Simulated voltage controlled resistor - AD835 Short input pulse integrator - EL2020 Positive voltage clamp Negative voltage clamp 4.5v low drop-out reference - OP295 +2.5v reference from a +3v supply - OP291 Simple +2.5v reference - LM336 +2.5v reference with minimum temp coefficient +2.5v reference with wide input range - LM336 Micropower false-ground generator - OP196 Switchable +/-1.25v bipolar reference Sample-and-hold - LM11 Constant intensity lamp flasher - LM2931C Temperature control with frequency output - NE555 +5v reference from +5v supply - LT1236 Very low voltage reference - REF200 Integrator for nanosecond pulses - SHC615 Compensation for stray capacitance in an op amp Compensating for capacitive loads on an op amp Category... Misc. Digital NAND gate truth table AND gate truth table OR gate truth table NOR gate truth table Exclusive NOR gate truth table Exclusive OR gate truth table Transistor inverter DeMorgan's theorem One shot - 74C02 Monostable multivibrator - Positive edge triggered Monostable multivibrator - Negative edge triggered Delay circuit - MC14584B Pulse stretcher - MC14584B Pulse compressor - MC14584B Large fan-in AND gate - LM139 Bi-stable multivibrator - LM139 One-shot multivibrator - LM139 Schmitt trigger - JFET Monostable multivibrator - LM555 Astable multivibrator - LM555 Schmitt trigger - LM555 LED flasher - LM555 Double ended LED flasher - LM555 Automatic, dark actuated LED flasher - LM555 Darkness actuated relay pulser - LM555 Light actuated relay pulser - LM555 Light actuated 800Hz alarm - LM555 Darkness actuated 800Hz alarm - LM555 Under-temperature actuated relay pulser - LM555 Over-temperature actuated relay pulser - LM555 Over-temperature actuated 800Hz alarm - LM555 Under-temperature actuated 800Hz alarm - LM555 Digital inverter/switch - NPN Digital inverter/switch - PNP High-gain, Non-inverting digital switch - NPN High-gain, Non-inverting digital switch - NPN/PNP Power one-shot - LM395 NOR gate formed from a comparator or op amp Dual LED flasher - astable multivibrator Common transmission line termination techniques Flip-flop from an op amp - TLC271 Serial asynchronous transmission protocol SCSI standards comparison Square wave tone burst generator - NE555 One-amplifier one-shot - LM3900 Schmitt trigger - inverting - LM3900 Schmitt trigger - non-inverting - LM3900 Category... Oscillators Oscillator with quadrature output Oscillator with double frequency output Square wave oscillator - 74C04 Phase shift oscillator - 74C04 Schmitt trigger RC oscillator Gated RC oscillator Variable duty cycle oscillator Voltage controlled oscillator - MC14584B Neon bulb oscillator Xeon flasher using a SIDAC Triangular wave generator - LM101/LM107 JFET pierce crystal oscillator Pulse generator - LM139 Squarewave oscillator - LM139 Crystal controlled oscillator - LM139 Wien bridge sine wave oscillator Stable low frequency crystal oscillator Low distortion oscillator 50% duty cycle oscillator - LM555 27MHz oscillator Code practice oscillator - LM555 Signal generator - LM555 Square-wave generator 200 Hz to 2 kHz - 4046 Near 0 to 1.4 kHz VCO - 4060 VCO that goes down to 0 Hz - 4060 60 Hz to 1.4 kHz VCO - 4060 Restricted range VCO - 4060 Two-phase, wide-range VCO - 4046 Manually gated wide-range VCO - 4046 Electronically gated wide-range VCO - 4046 CMOS Schmitt trigger 100kHz oscillator 1MHz gate oscillator - 4049 10MHz TTL gate oscillator - 74LS04 5MHz 2-gate oscillator - 74LS04 20MHz discrete oscillator Crystal stabilized relaxation oscillator 1-10MHz crystal oscillator - LT1016 10-25MHz crystal oscillator - LT1016 20MHz voltage controlled oscillator 60Hz synchronized oscillator Stable RC oscillator - LT1011 1ns rise time pulse generator Micropower crystal oscillator - HA7210 Wien-bridge oscillator - 741 1Mhz Miller oscillator Frequency shift keyed (FSK) generator - 4046 Simple Hartley LC oscillator 37kHz - Colpitts LC oscillator 80kHz - Clapp of Gouriet LC oscillator Simple Reinartz LC oscillator Ultra-pure 1kHz sine wave oscillator - LT1037 Voltage controlled ramp generator - 2N6027 Op amp astable multivibrator - MC3301 Function generator - LM324 Amplitude stabilized oscillator - VCA610 Digital sine-wave generator - ML2035 Crystal controlled sinewave frequency doubler Sine waves with crystal accuracy - HA7210 Three tone oscillator - 7400 Function generator, +5v only - LT1016 Two-phase nonoverlapping clock generator Bridge oscillator with square wave out - LT1056 Quartz stabilized bridge oscillator - LT1056 Sine wave output quartz bridge oscillator - LT1056 Common mode suppression for a quartz bridge osc Very low voltage relaxation oscillator - 74LV14 Very low voltage relaxation oscillator - 74LV132 16MHz crystal oscillator - NE5212A Micropower Wien-bridge oscillator - OP-22 Versatile triangle wave generator Category... Power Supplies Fixed output regulator - LM340 Current regulator - LM340 Adjustable output regulator - LM340 Precision current source - LM107 Precision current sink - LM107 Cool current source +5v, 1amp simple switcher - LM2575 Voltage doubler - half-wave Voltage doubler - full-wave Cascade voltage doubler Power supply monitor - LED Constant current generator - 5ma Ground referenced constant current generator 3.38v - 7A linear regulator 3vdc to 5vdc - 60mA switcher - LT1108-5 5vdc to 12vdc - 30mA power supply - LTC1262 5vdc to 12vdc - 60mA power supply - LTC1263 3.3v / 5v to 12v - 60mA / 120mA switcher High efficiency 3.3v / 5v to 12v switcher 5v to 3.3v - 150mA linear regulator - LT1121 3.3v - 700mA linear regulator - LT1129 5v to 3.3v high efficiency switcher - LTC1174 1.5vdc to 5vdc switcher - LT1110 9V to 5V switcher - LT1110 1.5v to +5v and +10v switcher - LT1110 1.5v to +5v and -5v switcher - LT1110 +20v to +5v step down converter - LT1111 +3v to -22v LCD bias generator - LT1111 Voltage-controlled pos to neg converter - LT1111 Low quiescent current +5v switcher - LT1111 5v, 7.5A linear regulator - LT1083 15 amp parallel linear regulator - LT1083 2000vdc, 600W voltage regulator - LT317A High stability +10vdc regulator - LT317AH Thermally controlled NiCad Charge - LT1001 Battery splitter - LTC1044 High current battery splitter - LTC1010 Voltage doubler - LT1044 40v voltage regulator - LT317AH Voltage boosted boost converter - LT1070 Programmable high current sink / source Basic half-wave unregulated pos DC power supply Basic full-wave CT unregulated positive supply Basic full-wave bridge unregulated positive supply Basic half-wave regulated +5vdc supply Basic full-wave CT, regulated +5vdc supply Basic full-wave bridge, regulated +5vdc supply Basic full-wave +/-5v regulated supply Basic half-wave unregulated neg DC supply Basic full-wave CT unregulated +/-V supply Basic full-wave center-tap, unregulated neg supply Basic full-wave bridge, unregulated neg supply Basic half-wave regulated -5v supply Basic full-wave CT, regulated -5v supply Basic full-wave bridge, regulated -5v supply Two terminal 100mA current regulator - LM395 5v power supply monitor - LT1017 Flashing power supply monitor Negative voltage charge pump Zener shunt regulator Transistor shunt regulator Emitter follower regulator Op amp voltage regulator - MC3401 Low differential voltage regulator - LM2931-5.0 Solar cell battery charger - MC34064P Triple output switching power supply - MC34166 Voltage-controlled current source - LM3900 Voltage-controlled current sink - LM3900 Voltage doubler - ICL7667 5 amp current boost regulator - LM340 15 amp current boost regulator - MC78TXX Thermal controlled NiCad battery charger - LT1006 5v, 1A, 500kHz step down switching regulator Simple +6v regulator - 2N2222A +3.3v to +2.5v @ 7A supply High efficiency 3.3v switcher - LTC1574 Low dropout micropower -5v supply - LT1175 3.3v, 10A N-channel switcher - LTC1266 3.3v, 5A N-channel switcher - LTC1266 3.3v, 150mA surface mount switcher - LT1574 3.3v, 425mA low noise switcher - LT1574 Lithium-ion battery charger - LM3420 Dual output low-dropout regulator - LM2956 +5v @ 500mA, low-dropout regulator - LM2960-5.0 Voltage-controlled current source - LT1101 -4.1v at 10mA inverter - LTC1550 Voltage programmable current source - LT1102 1 amp voltage controlled current source - LT1211 1 amp voltage controlled current sink - LT1211 Negative to positive telecom +5v supply - LT1082 200uA floating current source - REF200 100uA floating current source - REF200 50uA current source - REF200 50uA current sink - REF200 Programmable current source - REF200 Programmable current sink - REF200 High input voltage linear regulator - MC78XXC High output voltage linear regulator - MC7824CT Negative linear regulator, output current boosting Positive linear regulator, output current boosting Isolated dc supply - 74HCT14 +5v from RS-232 - LM78L05 Fast charger for NiCad batteries - MAX771 Positive regulator sinks current - LM324 +5v, 5 amp ultra-low dropout regulator - LT1123 Programmable voltage source - OPA445 Power supply Topology - Buck (step down) Power supply Topology - Boost (step up) Power supply Topology - Buck-Boost (step down/up) Power supply Topology - SEPIC (step down/up) Power supply Topology - CUK (step up/down) Power supply Topology - Forward converter Power supply Topology - Flyback regulator Power supply Topology - Push-pull converter Power supply Topology - Two-switch forward conv. Power supply Topology - Half bridge converter Power supply Topology - Full bridge converter Single supply, programmable current sink Precision constant current source - TL051 Precision constant current sink - TL051 +5v low power voltage regulator - TLC27M2 Precision low current sink - TLC271 Current source with low temperature coefficient +2v to +5v converter - LTC1516 +3v low dropout voltage regulator - OP296 50mA constant current battery charger - TL317C +15v regulator with slow turn-on - TL317C Current limited 6v battery charger - TL317C Shunt regulator - TL431 +50v at 0.5A linear regulator - TL783C High voltage adjustable regulator - TL783C High voltage adjustable linear regulator - LM12 +5v electronic shutdown regulator - LM317 Category... Protection Microprocessor reset with brownout protection 12ns circuit breaker Varistor selection guide for 117vac applications Automotive load protection - SP710 Human body model for ESD testing Characteristics of transient voltage suppressors Simple two terminal current limiter - LM395 Bicycle alarm Simple current limiter Semiconductor susceptibility to ESD Typical electrostatic voltages 1.5v powered refrigerator alarm - LT1017 Light operated SCR Alarm - MRD3050 Electronic crowbar - TRIAC Overvoltage audio alarm Undervoltage visual alarm - MC34064P MOSFET low voltage gate drive protection Transient protection circuit Freezer alarm - LTC1042 AC dropout detector - LT1018 Temperature out-of-range warning - TMP01 5v/1A electronic circuit breaker - LTC1153 Precision limiter for A/D converter inputs Modem/fax protector Kick-back voltage limiter Anti-reversal protection - MOSFET Adjustable current limiter - LM317 Shielding effectiveness of various materials CMOS-aided security alarm - 4001B Burglar alarm using N.O. and N.C. switches Watchdog timer - LT1018 Category... Radio Simplified PIN diode switch Tunable FM antenna booster Economy radar detector Crystal radio Wireless FM transmitter Simple FM transmitter Yet another FM transmitter G5RV multiband ham antenna AM/FM/SW active antenna RBDS data decoder AM radio tone transmitter - 4049 Op amp based AM radio transmitter 40 meter direct-conversion receiver 350-500 kHz to 4.35-4.5 MHz down-converter Vacuum-tube 40 meter transmitter Category... Sound Electronic door buzzer Melody generator - HT-381X Two way intercom - ELH0041 Precision audio signals from your PC Destroyer whooper sound effect - 555 Warble tone 6 watt siren 5-band low noise graphic equalizer Exponential cross-fade controller IC record/playback circuit - ISD1000A Speaker impedance compensation - Zobel network Sound-level limiter Professional audio DAC buffer - AD797 Low dc offset attenuator with muting circuit 110 dB beeper - 74C14 IR voice-band transmitter IR voice-band receiver Category... Telephone Telephone tone ringer DTMF tone generator - low level Telephone hold button Caller ID analog front end Call progress tones Telephone operating parameters Telephone ring amplifier One key DTMF dialer - HT-9290 Call progress detector - 75T982 Caller ID circuit - MC145447 Isolated ring detector - MC34012 DTMF single-ended receiver - M-8870 Call progress tone detector - M-980 Precise call progress tone detector - M-981 Call progress tone generator - M-991 Telephone-in-use indicator Phone-line privacy circuit Telephone ring detector - 4N35 Telephone line interface - MC33179 Cut-phone-line-alarm Category... Timers Simple 5 minute timer - 4541 Long time comparator Metronome - LM555 1 to 10 minute timer 10 to 100 minute timer Delayed switch-on relay Delayed switch-off relay Analog alarm clock - HT-1300 Time delay with 1 amp output - LM395 SCR output, power timer - 555 20 minute PUT timer Delay on power up - LT1017 Long interval RC timer - MC34001 Delay timer - TL431 Long time constant op amp timer