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 is from a 1977 Radio Shack documentation. In it we have the activation of an LED for...
This circuit was suggested by National Semiconductor in one of its manuals. The LM108 integrated...
We found this circuit in a 1981 publication. Its purpose is to measure resistances of very low...