This small audio amplifier circuit in complementary symmetry was found in the 1974 Mullard Databook. The output pair can also be the BD135 and 136.
This circuit produces a clef sound when a pulse is applied to its input. The damping effect is...
This circuit can generate signals up to 100 kHz. Found in documentation from the 1980s, it makes...
The crystal used in this oscillator can have frequencies up to 30 MHz or more, depending on the...