This simple circuit for the 3 to 30 MHz range was found in the Electronics Experimenter Handbook Special Projects of 1983. The coils consist of 10 and 50 turns of 32 wire on a 1 M x ½ W resistor.
With this passive circuit it is possible to modulated in amplitude a low intensity RF signal. The...
This simple voltage doubler with the 555 works by reversing the polarity of the input voltage...
A pulse applied to the input of this circuits results in a damped signal in the output. Frequency...