3 transistors metronome (CB7146E)

Found in 1980s documentation, this circuit uses a small transistor radio output transformer and a double potentiometer for frequency adjustment.

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Binary counter (CB22437E)
This TTL circuit with the 7493 makes the binary count of the pulses sent by a flip-flop with the...
Current to voltage converter (CB9606E)
This circuit has an accuracy of 1%. The components used must be precision as well. The input...
External Trigger Monostable (CB12720E)
In the figure we have a circuit that fires from a positive pulse of short duration applied to its...