These circuits were found in the February 1995 issue of Electronics Now magazine. The circuits have normal response in (a), boost in (b), cut in (c), and plate response in (d).
This interesting Walk-talkie circuit for the FM band using a tunnel diode appeared in the Radio...
Only when the programmed key sequence is activated, and within a minimum time determined by the...
This circuit allows the supply of 6 V devices powered by batteries from the car battery (voltage...