This oscillator can generate 2 to 10 MHz signals and was found in an American 1980s documentation. The circuit is stable and its supply voltage is 5 V.
This low-current control circuit has a lamp as a load, but can have other types of devices, such...
The varactor or varicap diode tunes the signal for listening to SSB signals on a common receiver. The...
This power supply is not protected from shorts in the output. Output voltage is given by the...