24 Hour Clock (CB6462E)

This circuit divides the grid 60 Hz frequency to obtain 20 Hz to drive mechanical watches used at the time. The circuit is from a 1970 CQ magazine.

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Audio Limiter (CB948E)
We got this circuit in a publication of 1987. This is an audio limiter, a circuit that cuts peaks...
4 to 20 MHz XTAL Oscillator (CB12705E)
The circuit in the figure operates at frequencies from 4 to 20 MHz and also uses a common junction FET...
1 to 3 W FM transmitter (CB16653E)
Depending on the output transistor used, this transmitter can provide power from 1 to 3 W. The...