Synchronized clock (CB23837E)

This circuit was found in Radio Electronics from August 1962. The circuit synchronizes an antique clock with the signals from a period time station.

Buffer for AD converters (CB9318E)
This circuit was obtained from Linear Technology documentation from the 90's. The circuit uses...
AGC Wien Bridge Oscillator (CB12739E)
In the figure we have a typical Wien Bridge oscillator with AGC. The negative waveform is sampled by...
Divider by N 4017 (CB25914E)
In the figure we have one of the many ways to program the counting of a 4017. The circuit uses...