This circuit, which generates a linear sawtooth signal, can be used in a frequency-band oscilloscope. The circuit was found in the December 1992 issue of Radio Electronics magazine.
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...