This circuit was found in a 90s Radio Electronics. It is intended to amplify the sound channel of analog televisions of the time. The integrated circuit used is uncommon today.
This amplifier with complementary symmetry output and good sound quality was found in...
This IR light sensor circuit was found in the July 1992 issue of Radio Electronics magazine. It is...
The resistors R1 and R2 consist of 8 220 ohms x 2 W resistors connected in parallel. The...