This circuit was found in a 1967 General Electric documentation. The components are from that time. The load depends on the SCRs used.
The AM QAM stereo system works experimentally with some stations, but it should not be equipped, as the...
This circuit was obtained from the October 1977 Radio Electronics magazine. The meter is analog, and...
This 3, 5, 6, 9 and 12 V power supply selected by a switch has a digital indicator of the selected...