This old amplifying stage was found in radios and small amplifiers of the time. The circuit is from Mullard's transistor reference manual.
This power supply was originally designed to power our next circuit (CB18672E) which consists of a...
This circuit allows the control of a low intensity audio signal from an external logic signal. The...
Found in a 1964 publication, this circuit makes use of transistors from the time. It operates on...