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.
This circuit, from a 1976 National Semiconductor manual, is intended for current in a load using an...
This circuit was found in a 90s Signetics documentation. The circuit is switched based on...
This circuit was obtained from a Philips documentation from 1968. The transistors can be replaced...