This bench circuit was found in Radio Electronics magazine from June 1958. The circuit does not have an external power supply. The circuit generates signals from 12 Hz to 180 kHz in 4 bands.
This oscillator that operates at 80 kHz was found in the July 1993 issue of Electronics Now...
This circuit is from an Electronics Now, American magazine from December 1992. The magazine no...
This bistable touch sensitive must not be powered by a source without a transformer. The outputs can...