Peak sensor with tunnel diode (CB21514E)

This circuit was found in old General Electric documentation. The circuit makes use of a unijunction programmable transistor.

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Preamplifier for 30 MHz (CB10057E)
This low noise preamplifier has a gain of 19 dB in the 30 MHz band. The circuit is from the 80s....
Field strength meter (C9739E)
The shock is 2.5mH for frequencies between 3 and 30MHz. C is 1nF, R is 47k and the transistor can...
Voltage doubler with 555 (CB1230E)
This traditional doubler configuration with the 555 can be found in other articles on the author’s site....