The circuit is from 80s Siliconix documentation. The integrated circuit is from the company and is not common today. It can be used operational equivalent more common in our times.
This microphone preamp allows the use of high impedance crystal microphones with amplifiers that have...
This is the radio receiver for the previous infrared alarm radio transmitter. It contains the...
This amplifier for a sinusoidal function generator uses a 741 integrated circuit. The circuit is...