The ADC801 is not an easy component to obtain today, but the configuration is worth reference. The circuit is from National Semiconductor's Linear Applications Handbook.
Found in a 1968 Novel Electronics Circuit, this circuit compares two light intensities using...
This crystal shortwave radio can tune signals up to the VHF range of analog TV (which no longer...
We found this circuit in the Electronics Experimenter Handbook magazine from 1993. L1 has 2 = 2...