This low noise microphone preamplifier circuit was found in American documentation from the 90s. The circuit requires special care with the layout. The power can be between 9 and 18 V.
We found this circuit in a 1998 documentation. It tests common household appliances to see if they...
We found this electronic organ circuit in a 1987 documentation. The circuit should be powered by...
This circuit was found in an Electronic Design from the 80's. It shows how to use a MOSFET driver with...