This circuit was found in the January 1996 issue of Electronics Now magazine. The circuit is powered by voltages from 10 to 24 V and has a control for the intensity of the output signal.
This crystal oscillator is indicated for the calibration of IF steps of common radio receivers. The...
Intervals of more than 39 hours can be obtained with this programmed circuit that we found in a...
The figure shows a simple test circuit for optical isolators with photodiodes. The circuit was...