This 5 W transistor amplifier for the car was found in an English documentation from 1969. The transistors are from that time and the transformer is of a special type.
This transmitter emits signals in the FM range, reaching a few meters away. The modulation...
This audio amplifier has an internal DC volume control with logarithmic characteristics and a...
This configuration found in GE documentation from the 90s, can also be seen elsewhere in this...