This commercial transistor radio was manufactured by RCA in the 1960s. The circuit has only 4 transistors and is powered by a voltage of 9 V with an audio power of 20mW.
The 8038 integrated circuit consists of a function generator with outputs of three waveforms. It...
This is a traditional CMOS configuration found in other articles in this section and on this...
This circuit is from the old RCA transistors manual of 1964. The transistor can be the BC558 and...