[TenTec] Corsair II DDS VFO

Steve Hunt steve at karinya.net
Mon Mar 21 13:59:28 PDT 2011


I haven't tried it. If I get a chance over the next couple of days I'll 
do some tests.

It would be nice to get some thorough testing done of Rx performance 
when equipped with the DDS, but I don't have the kit to test things like 
close-in DR. I can't say I've noticed any deterioration during my 
"casual" operating, but I wouldn't be surprised if there was some 
penalty compared to the PTO. I'm in the enviable position of having one 
Corsair with the DDS, and another Corsair with the PTO plus remote VFO; 
that's the way I intend to keep it for now.

Steve G3TXQ

On 21/03/2011 18:37, w8au at sssnet.com wrote:
> At 10:58 AM 3/21/2011, Steve Hunt wrote:
>> I replaced the PTO on one of my two Corsair IIs with the
>> N4YG DDS board. That provides two VFO functionality and Split operation;
>> it has transformed the tuning "feel". That Corsair is now the first I
>> switch on when I go into the shack, in preference to my other Corsair or
>> the Omni VI.
> Steve:
> Do you use split operation on CW?  Curious to know if the DDS osc can handle
> the instantaneous shift of frequencies at a fast keying rate.  Obviously there
> is a delay compared to the External VFO that runs constantly, but is the
> shift noticeable either in a chirp, click or an "enabling delay" that shortens
> the dots?
> 73,&  TIA
> Perry  w8au
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