Found in an Electronic Design, this circuit is intended to produce signals in the VHF band. The transistor is of special high frequency type.
This circuit was found in old documentation. The SCR can be any of the 106 family. Note the sensor...
This circuit was found in Ferranti's 1974 transistor manual. The transistors are from the period and...
Short duration pulses can be obtained with the relaxation oscillator that uses common transistors and is...