Re: [TenTec] 1 kHz IMD with Preamp ON/OFF

[Bob Henderson <bob@cytanet.com.cy>]

Bill Tippett wrote:


> 1.  Why does Orion's performance improve with Preamp ON?
> 2.  Why does K2's performance degrade so much from 5 kHz
> (88 dB) to 1 kHz (67 dB)?
>
> Is there a simple explanation or am I possibly misreading the
> data?
>
>                 73,  Bill  W4ZV

Bill
I wonder about the answer to your first question too and like you I 
suspect accidental transposition of data as the cause.  So far as close 
in degradation on the K2 is concerned; I strongly suspect this to be due 
to the rather gentle skirt slope of the K2 xtal ladder filter.

BTW my Orion was shipped by TT last Wednesday.  I have my fingers 
crossed it will arrive here today or tomorrow.

73

Bob, 5B4AGN, P3F, G3ZEM


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