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Re: Re: [Microwave] Silly Rig Modification and Noise Temperature Ramble/Question
- Subject: Re: [amsat-bb] Re: [Microwave] Silly Rig Modification and Noise Temperature Ramble/Question
- From: "Dr. Gerald N. Johnson, electrical engineer" <geraldj@xxxxxxxxxx>
- Date: Wed, 16 Oct 2002 09:57:51 -0500
But its NOT the pager receiver that causes the ham rig problems its the
250 watt pager transmitter!
With 100 HZ bandwidth you ought to be getting -148 dBm sensitivity. Lots
of times the poor RF stage (and that's true of the FT-726R) is masked by
reciprocal mixing from oscillator phase noise.
73, Jerry, K0CQ
--
Entire content copyright Dr. Gerald N. Johnson, electrical engineer.
Reproduction by permission only.
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