NE602 Crystal Oscillator (CB26005E)

This oscillator reaches 50 MHz with an overtone crystal. The circuit is from Electronics Now magazine from February 1997.

Switching for EMG (CB7373E)
This circuit was obtained in documentation on medical applications from 1966. The circuit is used in...
Voltage to Current Converter (CB5100E)
This circuit, which appears from other sources on this site, converts a voltage into a current....
Perpetual Movement (CB14788E)
This interesting circuit makes the needle of a microammeter oscillate at random, imitating a...