This 1967 modeling circuit mimics the whistle of a locomotive. The steam-shrieking wheezing is set in a 2k2 potentiometer.
September 2017 - Mouser Electronics is now offering Microchip MTD6508 engine drivers. These...
Published in the December 1988 issue of Radio Electronics magazine, this circuit converts your...
This circuit is a variation of the common grid dip meter, having been found in a 1975 publication on FETs....