[time-nuts] FEI-5680A holes in the case

Murray Greenman Murray.Greenman at rakon.com
Mon Apr 5 14:42:19 EDT 2010

I avoided the problem of drilling holes by simply routing the added
cables out the back between the cover flange and base. For the RF output
I used a short length of the tiniest audio screened cable I could find;
for the RS232 I used flat ribbon cable of the smallest dimensions

Murray ZL1BPU

Date: Thu, 01 Apr 2010 20:43:12 -0700
From: "Leigh L. Klotz, Jr WA5ZNU" <Leigh at WA5ZNU.org>
Subject: Re: [time-nuts] FEI FE-5680A
To: Discussion of precise time and frequency measurement
	<time-nuts at febo.com>
Message-ID: <4BB567D0.7030201 at WA5ZNU.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 03/24/2010 03:18 PM, Magnus Danielson wrote:
> Fellow time-nuts,
> ...
> Second, anything I should keep in mind as I power one up?
> ...
> Cheers,
> Magnus

There's a bit of discussion in the archives about the need for a heat 
sink, and also about the whether it's necessary to anneal the case in a 
400C Hydrogen reducing oven after the SMA modification.  (Although I do 
have access to one, it is over the threshold for things I'm willing to


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