up in a few commercial SSB transceivers. However for being such useful little animals, they iave seen very little use in ham articles. À considerable effort is made in vfo designs to provide mechanical rigidity in the tunable element, whether coil or capacitor. Yet, here is a completely rigid device which has seen little application. Obviously, what follows is a vfo using the voltage tuned

Fig.l. Schematic diagram, Colpittsoscillator for coarse and fine tuning. The other has only one standard, a lower cost pot. for the

Was this article helpful?

0 0

Post a comment