Bidirectional buffer (CB9317E)

This circuit was obtained in a 90s Electronic Design. The circuit uses components from that time.

Auto Fade (CB20652E)
This fader or guitar fading circuit was found in an American documentation from the 1980s. The...
Phase difference meter (CB7277E)
Found in 90's Electronic Engineering this circuit can be used to measure phase angles between two...
1 kHz FET Phase Shift Oscillator (CB13312E)
This circuit, from Motorola 1976 documentation, uses a common field effect transistor at the time....