This circuit for photography uses was found in the Electronics Experimenter Handbook Special projects magazine from 1983. The bargraph circuit powers 8 LEDs.
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
This circuit was found in the December 1982 Radio Electronics magazine. The components are of...
Found in documentation from Analog Devices from the 90s, this amplifier uses a component from the...