This circuit is from an old American publication, using transistors of the time and operating with a 48 V power source. The load is 2.2 ohm, and the transistors must be replaced by modern equivalents.
This circuit was found in a 1970s General Electric documentation. This circuit already used an...
This circuit can use both separate LEDs and a common cathode display when one segment indicates...
This amplifier of a few watts of power was found in English documentation from 1995. Power...