This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz. FET is old, but modern equivalents can be used.
This circuit was found in old documentation. PUTs are uncommon components today. The circuit...
The circuit shown was found in a Japan publication from the 1960s. The transistors can be of any...
General purpose, up to 8 A SCRs can be tested with this simple circuit. In special the circuit is...