Found in a European magazine from the 1980s, this circuit can amplify signals from 10 kHz up to over 220 MHz with good gain. MOSFET supports equivalents.
This circuit was found in a 1980s telecommunications publication. The circuit uses a diode bridge to...
Mounting an oscilloscope is the dream of many of our Internet users, although it comes up against...
This is the traditional version of an astable multivibrator that makes two LEDs flash alternately at a...