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.
With this circuit it is possible to select transistors and their compliant test. Or circuit...
This circuit uses a JFET at the input to increase the impedance. The circuit has a gain voltage...
This receiver was found in an article in Electronics Now magazine in March 1994. The coils are...