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 simulated circuit on the NI Multisim transmits modulated infrared signals with the audio...
This circuit is from a 1976 publication, but it can be easily implemented with a BC548 transistor. The...
This circuit for very long-time intervals was found in the March 1993 Radio Electronics magazine. Times...