This circuit was found in a Philips documentation from 1966. The circuit provides 1 mW with a power supply of only 1.3 V. Transistors support current BC series equivalents.
This lead-acid battery charger was found in a Popular Electronics from the 90s. The circuit has a...
This three-chanel remote control transmitter uses a unijunction transistor as low frequency...
This circuit was found in the 1990 Motorola Linear Databook and can use almost any operational...