JK 4037 Flip Flop with Reset (CB25121E)

We found this circuit in the April 1988 issue of Radio Electronics magazine. The circuit can be reset electronically.

Scheduled Triggered Timer (CB4338E)
This circuit was found in a 1989 documentation and was intended to be part of a presence...
Noise generator (CB8009E)
This circuit generates noise pulses for audio equipment probes. The circuit is from a 90’s 303...
Video multipplexer (CB8735E)
This circuit is a mixer for video signals. We found it in a 90s Linear Technology documentation. The...