Sawtooth generator (CB21338E)

This op amp circuit is based on a 555 IC and two common op amps. Transistors are general purpose.

Electronic voltmeter (CB23755E)
This circuit was found in Radio Electronics magazine from August 1966. The transistors are from...
Wattmeter (CB8978E)
We found this circuit in an old documentation for radio amateurs. The circuit uses an analog...
Positive Line Current Monitor (CB5245E)
This circuit is found in a 2005 Linear Technology application manual. The circuit monitors the High...