This circuit detects changes in the active cycle of the input signal. The circuit was obtained in a 1966 EEE. Transistors are general purpose types of the time.
This 1968 Mallory circuit uses an uncommon integrated circuit today. The circuit has a 30 to...
Found in a 1965 Motorola documentation this circuit drives magnetic-type fuel pumps found in cars...
This circuit show the performance of a GraetzBridge or Diode Bridge usedin full-wave rectifers....