Audio oscillator circuit
ICL 8038 waveform generator. ICL8038 is a monolithic waveform generator IC that can produce sine, square and triangular waveforms with very little distortion. …
Archive by category Test & Measurement Circuits
Simple function generator circuit
LM1458 Simple Function Generator. A simple function generator circuit using LM1458 is known here. LM1458 is a dual general purpose operational amplifier. The …
Digital thermometer circuit
Digital thermometer circuit. CA3162, CA3161 & LM35. A simple digital thermometer circuit with out a micro controller and having a seven segment LED read …
Capacitance meter using LM2917
Description. The circuit diagram of a simple capacitance meter using IC LM2917 is shown here. The LM2917 is a high gain monolithic frequency to voltage …
Frequency to voltage converter using LM331
Description. LM331 is basically a precision voltage to frequency converter from National Semiconductors. The IC has a hand full of applications like analog to …
LED based transistor tester
Description. Here is the circuit of a very simple transistor tester which used two LEDs for displaying the condition of a transistor. Both PNP as well as NPN …
Digital voltmeter using ICL7107
Description. The circuit given here is of a very useful and accurate digital voltmeter with LED display using the ICL7107 from Intersil. The ICL7107 is a high …
F to V Converter
F to V Converter Circuit using LM555 Timer CircuitsToday.com has introduced an online store to buy books that provide the basics and applications of 555 timer …
Sensitive electromagnetic field sensor.
Description. This is the circuit diagram of a very sensitive electromagnetic field sensor which can sense electromagnetic field from 40Hz to 140Hz. The low …
Peak detector circuit using LM393
Description. This is the circuit diagram of a very simple and cheap peak detector circuit. This circuit operates from 5V DC and can detect signals up to 150 …