[DSP-10] CW

[Joe Hopster]

Bob Larkin wrote:
>
> Hello Joe,
>
> I will look at that!  The CW mode should always behave as USB. In 
> theory, it used the tvtr description in the CFG file to invert 
> everything when using high-side LO. It may be possible to fix this by 
> the a change to the tvtr description. It may be this evening before I 
> can look at  the code.  Meanwhile, recheck the tvtr line as described in
> http://members.ispwest.com/kd7ts/V380/uhfacfig.htm
> In particular, lo_freq needs to be negative for high side. It doesn't 
> say anything about sb, which is always -1, but this might be involved 
> also.
>
> If you are into programming, the function involved is new_freq() in 
> the UHFA.C file.
>
> Good luck,
> 73, Bob  W7PUA
>
> At 03:21 PM 9/3/2006 -0400, Joe Hopster wrote:
>> f5vkq wrote:
>>> Hello from France....73 de hermann, F5VKQ.
>>>
>>> Could you please explain what you mean "reversing"...CW...??
>>>
>>> What does your side tone do?
>>>
>>> I am asking me how can it be reversed ??
>>>
>>>
>>>
>>> 73 de hermann
>>>
>>>
>>> So, please tell more how you see and the symptoms when you state "CW 
>>> is reversed" ?
>>>
>>> And I will come back to this subject soon.
>>>
>> When I tune in a CW station so that it has a 600Hz tone, transmit to 
>> him, then when I receive him I have to retune down in frequency 
>> 1200Hz.  My transmitted signal is not where it should be even though 
>> I tuned him in for a 600Hz tone (the config file is set to 600Hz 
>> offset).
>> Joe WB8DNO
>>
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Bob,
    I looked at the uhfa.cfg file, sb and the lo are both positive!  I 
tried combinations of signs but I only got a reasonable frequency 
readout with both positive.  My LO is 10514116000.0.

    What should tvtr 9 and vfo 9 look like?  Are these the only lines 
that effect this?

Joe WB8DNO