The figure shows the equivalent circuit for the LM381 audio preamplifier IC. The circuit was found in the February 1990 issue of Radio Electronics magazine.
In the figure we present a circuit of a microphone signal conditioner using the SSM2167 integrated...
This transmitter emits signals in the FM range, reaching a few meters away. The modulation...
This circuit was obtained in an English publication of 1993. It is an amplifier for...