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.
This circuit was obtained in a General Electric documentation from the 80's, and can be used as a...
This circuit with a dual power supply generates sinusoidal, triangular and rectangular signals. We found...
In addition to tone control, this circuit of the SGS 1982 linear integrated circuit manual has a...