Found in a 1947 publication, this circuit uses 4 parallel/push-pull tuber in the output stage. The circuit employs dual power supply with two rectifier tubes.
The National Semiconductor LM675 operational amplifier can provide up to 3 A of output current. In the...
The idea of this circuit is that when the device in SO1 is turned on, the device connected to...
This transistorized receiver was manufactured in the 1960s and distributed worldwide. The diagram is...