This old 1 W audio amplifier transistor circuit is from a 1967 Japanese magazine. The transistors are germanium of the time and the type transformers found in similar equipment of the time.
Found in a Popular Electronics from the 90s, this circuit has a configuration that has been widely...
In addition to the didactic purpose, the figure circuit can also be automated. In this case, the...
This logic probe or logic level indicator is suitable for use in CMOS circuits. The power comes...