Delayed Pulse Generator (CB6470E)

This circuit was found in a 1967 documentation. The switch diode is a component of the time and is difficult to find today.

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Audio wattmeter (CB19768E)
The integrated circuits in this application are not very common today. One consists of an A / D...
Oscillator 4001 (CB14985E)
This CMOS oscillator circuit generates signals up to a few megahertz, depending on the capacitor value....
Quadrature detector (CB21753E)
This circuit was found in a 1977 American manual. The integrated circuit is from the time....