This low-pass circuit was found in the December 1990 issue of Radio Electronics magazine. The circuit is part of a home theater sound system.
This amplifier with two FETs in direct coupling (cascode) was found in a 90s Popular Electronics. The...
The 1: 1 transformer on this circuit found in a 1967 Electronics World can be wrapped around a...
The integrated circuit can be any operational and T1 can be a BC548 and T2 a TIP41 in this circuit of a...