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 circuit, published in the 1980s, can be applied to operational amplifiers of almost any type....
Obtained from a 1969 neon lamp documentation, this circuit shows how to assemble an indicated...
This circuit is from a 1966 documentation. The transistor is made of germanium of the time and the...