Solid State Relay (CB21717E)

Equivalent optocouplers can be used in this relay or solid-state shield. The power of the load depends on the triac used.

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...