This amplifier with gains between 5 and 100 was found in the May 1988 issue of Radio Electronics magazine. The circuit requires a symmetrical power supply.
This didactic circuit was found in a 2001 documentation. It presents the result of programming in binary...
This VFO circuit generates signals from 2 Hz to 50 Hz. We found it in Popular Electronics from...
This circuit can be used as a buzzer from 3 different locations, allowing you to identify where it went...