This circuit was obtained from a 1980's QST magazine. The circuit can generate 1 to 15 MHz signals with 1 Vpp at 50 ohms load. Used transistors are still common today.
An excellent signal generator for the audio track was found in a 1983 documentation. Its complete...
CMOS inverters can be used as amplifiers, obtaining a flat response up to approximately 20 kHz....
This circuit uses BCD switches to program the frequency to be divided. The circuit is from a Radio...