We found this circuit in a Radio Electronics from July 1968. The circuit generates rectangular pulses with an amplitude given by the supply voltage.
This circuit was found in the July 1969 issue of Radio Electronics magazine. It also appeared in...
We found this circuit in the August 1994 Electronics Now magazine. The circuit is based on the...
This 4.5 MHz oscillator, or according to the crystal, was found in American documentation from the...