NE602 Crystal Oscillator (CB26005E)

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

TTL Sports Lottery Tip (CB12367E)
This circuit draws one of the three possible guesses of a sports lottery logo: column 1, 2 or the...
27 MHz transmitter without crystal (CB20467E)
We found this circuit in recent English documentation. The frequency is adjusted by the core of...
Laser Diode Modulator (CB4850E)
This circuit allows modulating a laser diode with low frequency signals. The integrated circuit...