Using a common crystal diode and a 741, this circuit can be used to detect microwaves. The circuit is from old documentation and the switch selects the gains.
This circuit was obtained from an old Electronic Design. The components are from the period but...
Toshibas IC Brushless Motor Drivers Toshiba offers through Mouser Electronics a broad range of...
The 1: 1 transformer on this circuit found in a 1967 Electronics World can be wrapped around a...