CW Monitor (CB21766E)

This telegraphy broadcast monitor delivers a signal to a speaker from a unijunction transistor oscillator. The circuit is from a 1977 publication.

Ramp Generator (CB392E)
This circuit sources a ramp signal with characteristic given by the diac. The circuit is powered...
JFET Preamplfier (MSB046E)
The preamplifier using JFET presets a high input impedance and very low distortion. The input...
TTL Debouncer Circuit (CB17576E)
This is another one of the many debouncer circuits that the reader can find on this site, and it...