This circuit was found on an 80's Ham Radio. The transistor admits equivalent. The circuit can generate 20 to 100 MHz signals operating at the fifth harmonic of the crystal.
This high voltage switched generator circuit was found in a 70s American documentation. The...
With this 1-transistor circuit we have a high input impedance and good gain. The circuit is from a...
This wireless intercom has a range of about 300 meters using an integrated circuit that is not...