Sensitive Crowbar (CB5887E)

This circuit is from an 80's documentation, firing when the input voltage exceeds 5 V. The SCR can be the TIC106 need not have a heatsink.

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Picoammeter (CB6195E)
This circuit was found in RCA and General Electric documentation from the 1980s. The circuit has...
20 W Amplifier (CB4933E)
This excellent quality transistor amplifier using Darlington transistors was found in a 1980s...
Receiver for Optical Audio Lin (CB1365E)
This is the receiver for the CB1364E transmitter. Other receivers can be found in this section of...