We found this circuit in an Electronics Now magazine from June 1995. The transformer has a primary according to the network and a secondary of 6 to 9 V with 100 mA.
Several analog TV channels operate with stereo audio signals, but the vast majority of receivers are...
The purpose of this circuit is to control magnetic door locks activated by the power grid. The...
This circuit was found in the February 1990 issue of Radio Electronics magazine. The gain is given...