This crystal-based circuit can generate accurate 50 or 60 Hz signals. The circuit is from a November 1998 Electronics Now magazine. The output signal consists of rectangular pulses.
This oscillator can be used to produce signals ranging from a few kilohertz to approximately 10...
This indicator circuit used and game machines (arcades) to indicate that the machine is being...
) This interesting circuit of 18 multiplexed LEDs was found in the February 1992 issue of Radio...