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 two-transistor circuit features excellent gain operating with low impedance microphones. The...
The IC used in this project is not common these days, but if you have one you can build a high...
This circuit has very high input impedance and a differential input. The gain is 1,000 and the...