This circuit is suitable for the calibration of old analog oscilloscopes. It was found in documentation from the 1970s and could be useful if someone is recovering an oscilloscope of the time.
The L200 integrated circuit consists of a 5-terminal current regulator in a TO-22O enclosure that...
The load on this amplifier is 8-ohm. We found the circuit in a 1972 Motorola amplifier manual. The...
Published in Radio Electronics magazine in March 1963, this circuit uses 4 transistors of the...