With this passive circuit it is possible to modulated in amplitude a low intensity RF signal. The circuit is from old American documentation and uses a germanium diode as its main component.
May 2017 - Mouser Electronics already has in stock with the new ADP244x switched regulators from...
This circuit, which can also be used with flashing LEDs as long as they have in parallel a charge...
This circuit for very low current measurements was found in an American 80's documentation. The used...