This circuit generates a linear sawtooth signal. The circuit was found in the December 1992 issue of Radio Electronics magazine. The maximum frequency is around 200 kHz
This circuit is from a 1967 General Electric SCR manual. The capacitors are polyester and the...
This oscillator for frequencies up to a few tens of kilohertz was found in a 1970s documentation. The...
This varicap-less modulator circuit was found in an Electronic Design from the 90's. The circuit...