Long maintenance circuit (CB8866E)

A 0 V signal initiates sampling on this circuit suggested by documentation from the 1970s. The integrated circuits used are uncommon today.

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High Q Notch Filter (CB15639E)
This high Q “rejector” or notch filter rejects signals whose frequencies are in the range...
Basic two-gate oscillator (CB22399E)
This circuit was found in documentation from the 90's, having an LC compensation network. The...
Pulse Triggered Monostable (CB25672E)
This two-transistor circuit was found in the January 1994 issue of Electronics Now magazine....