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 silencer or squelch preamp circuit was found in a documentation for radio amateurs. It...
This circuit was found in a 1994 publication. It draws 1 of 41 LEDs when we press and then release...
This circuit makes use of a diac to stop the activation of a sensitive reed relay 1 mA. The trip...