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.
The coils of this simple mid-wave radius are wound 28 or 26 on a 12 to 30 cm long ferrite rod and the...
In the figure we have a battery charging circuit for currents up to about 5 A. In series with the...
Found in 969 documentation, this circuit generates sweep signals from 1 Hz to 100 kHz. The...