10 MHz counter (CB20128E)

This meter has a 0.001% tolerance and was found in an old American publication. The circuit has a selectable output.

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Exposure time meter (CB8114E)
Indicated by a Popular Electronics of the 90s originally to measure the light determining the exposure...
TTL Buffer MC34071 (CB15280E)
Other operational amplifiers series, such as the MC34072, MC34074, MC35071, MC35072, MC35074 d...
Source follower (CB6963E)
Found in American documentation, this circuit shows how to polarize a FET in bootstrap mode. The...