This 8 W amplifier with germanium transistors was found in a Japanese documentation from 1967. The circuit is of the commercial type and is powered by two 12 V batteries or by a symmetrical source.
This circuit was found in a 90s Silicon Chip documentation. The current of the transformer is 1 A maximum,...
The output of this circuit using the NE5560 has the opposite polarity of the input voltage. The...
Found in an Electronic Design from the 90s, this sophisticated continuity tester uses operational...