This 9-bit DAC circuit was found in the RCA CMOS integrated circuits manual of the 1970s. The circuit operates at 15 V and consumes between 70 and 200 mW. The currents at each outlet are approximately 400 uA.
Found in a Popular Electronics from the 80's, this circuit triggers an SCR keeping an LED on when...
Found elsewhere in this section, this circuit is from the April 1971 Radio Electronics magazine. Note...
This circuit works with practically any tunnel diode, transmitting signals in the FM range with a...