This circuit for photography uses was found in the Electronics Experimenter Handbook Special projects magazine from 1983. The bargraph circuit powers 8 LEDs.
The integrated circuit used in this 90's circuit is not common today, but the configuration can be...
We found this circuit in a 1976 publication for radio amateurs. It was originally intended for use in...
We found this high input impedance, low output impedance amplification stage in the October 1993...