[Milsurplus] Question ( RBS; submarine )

[Francesco Ledda]

To limit LO leakage, the URR-13 has a differential mixer fed by a differential LO. Pretty smart!

Frank
K5URG

> On Aug 25, 2016, at 19:33, mstangelo at comcast.net wrote:
> 
> 
> Were they concerned about LO radiation being picked up by other receivers on board ship? This is another reason to minimize LO radiation.
> 
> Mike N2MS
> 
> 
> ----- Original Message -----
> From: Nick England <navy.radio at gmail.com>
> To: Kenneth G. Gordon <kgordon2006 at frontier.com>
> Cc: Milsurplus at mailman.qth.net
> Sent: Fri, 26 Aug 2016 01:54:59 -0000 (UTC)
> Subject: Re: [Milsurplus] Question ( RBS; submarine )
> 
> My point was that NRL was evidently designing Navy receivers in the
> early/mid-1930s to minimize LO radiation. It wasn't wartime panic; to
> them it was a prudent concern for future DF capability.
> 
> 
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