This circuit allows the use of an electret microphone with a 1.5 V source. We found it in the Encyclopedia of Electronic Circuits volume 5 from 1995.
Found in American documentation, this amplifier stage has unit gain and a high input impedance. It...
This simple oscillator generates a 455 kHz signal. The circuit is from an 80's documentation and its...
It can be obtained from Mouser Electronics the new MAX14871 Maxim consisting of a full-wave...