This circuit was found in the September 1984 issue of Radio Electronics magazine. The circuit is based on a 555 and a MOSFET consisting of a flasher that controls a buzzer.
This inverter, suggested by Motorola, converts a voltage from 8 to 20 V into 28 V with a maximum...
This high impedance circuit for low voltage sensors was found in a 1980s documentation. The JFETs...
This is the receiver for the above circuit published in November 1980 Radio Electronics magazine. The...