Found in a 1980s documentation, this amplifier uses an integrated circuit that is not easy to obtain now as it is of the era. The circuit is intended for FI ceramic filter circuits.
Found in a 1964 Electronic Design, this circuit for 300 mA loads uses components from that period. It...
This circuit for voltmeter has an output of 1 V for 100 uA having been suggested by American...
This distorter for musical instruments was found in a 80’s Hands On Electronics. The transistor can...