[TMC] VOX/PMO?

[WA5CAB at cs.com]

Eugene,

The tuning dial in the SBE tunes the multiplier and driver chain.  As with 
for example a BC-611 or TCS, the crystal (or VMO/VOX) sets the oscillator 
frequency but you still have to tune all of the other RF circuits to the 
desired operating frequency.



In a message dated 10/9/2009 6:59:30 AM Central Daylight Time, 
w2hx at w2hx.com writes: 
> Yet the SBE-2/3 have some kind of tuning dial that seems to cover all the
> bands. Is that disabled for crystal control?
> 
> So what is the tuning dial doing on the SBE? I can understand if the VOX 
> was
> used as a frequency reference and that the SBE had an internal oscillator
> that was phase locked to that high stability reference. Then the tuning 
> dial
> on the SBE would be adjusting a VFO. But it seems that the VOX has its own
> 4-64MHz oscillator.
> 

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480