Diode Tester (CB22137E)

This diode tester was found in an English publication from the 1980s. Transistors are general-purpose types of the time.

Fuzz Distortion Pedal (CB11247E)
This well-known configuration of the guitar effects pedal was obtained in an English magazine from...
Bargraph Peak Detector LM3915 (CB14385E)
This circuit was obtained in the National Semiconductor Linear Applications Handbook of 1994. The...
48 V Fast Current Sensor (CB5242E)
For -48 V voltages, this fast sensor was found in a 2005 Linear Technology application manual. The...