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.
This is the typical circuit of an FET amplifier stage in the common source configuration. The circuit is...
This circuit is interesting for experiments and can be part of the bench in the form of a module. The...
This oscillator can use any CMOS inverter. The circuit is crystal controlled and was found in the...