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.
This circuit was found in a 90s Radio Electronics. It is intended to amplify the sound channel of...
This circuit uses a 4020 counter that divides the frequency up to 210, being found in a former...
This circuit was found in a Radio Electronics magazine from May 1967. The circuit has the time...