Regarding the question involving TenTec's ORION xcvr and diversity
reception:
Tom-W8JI asked:
>
> For everything but AM reception the question is...."Do the receivers
> share the same local oscillators for all mixing and detection
> stages?"
>
Scott Robbins of TenTec responded:
> The answers to these were provided me by Doug Smith, KF6DX,
> on our engineering staff.
> The answer to the above question is no.
Tom-W8JI then asked:
> If the answer is no, then the next question is...."Are the
> oscillators that are not common to both receivers directly phase
> locked with a system that always keeps them locked to a common
> timebase?"
>
Scott responded:
> The answer to this question is yes.
Tom-W8JI then asked:
>
> Also, if receiver phase delay (mainly group delay in filters versus
> frequency) is not matched it will either ruin or damage combined
> audio (mono) performance. Stereo would still work in most cases.73,
> Tom W8JI
Scott responded:
> Receiver phase delay is matched via DSP in Orion.
> 73
> Scott Robbins, W4PA
Hmmm. DSP?
Ford-N0FP
ford@cmgate.com
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