Found in a 70s RCA manual, this circuit uses a transistor of the time for an UHF L band oscillator. Details of the resonant circuit, which is critical, were not given.
This circuit is from a 1995 publication; The current is obtained by dividing 1.25 by R1. The...
We found this circuit in an old American publication. It is possible to test common FETs using a...
This circuit was obtained in a 90s documentation from Analog Devices. The sensitivity is in the...