One of my favourite cases for housing projects is to use an HP 37203 HPIB extender. Remove the PC Board and you are left with a power supply that is suitable for many things (or remove if not up the job), plus there is a BNC connector on the back side plus a spot where the GPIB connector poked through which can be repurposed for a D connector suitable for the task at hand.
I pick these up whenever I see them at surplus places, online, or at swaps when the price is right. They can be had at such places for $20 or so but eBay prices tend to often be much higher. Cheers, Graham ve3gtc -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Tim Shoppa Sent: September-27-13 10:49 AM To: Bob Stewart; Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Case for Rb Standard? I am a fan of old stamped sheet metal mini-PC cases, and also a fan of the clamshell "A/B" switch cases. Usually the PC case is thin stamped sheet metal but often has a plastic fascia that goes over the sheet metal. They have lots of ventilation holes, unlike the clamshell A/B switches which tend to be thicker metal (didn't need stamping for rigidity) with fewer holes. If I need a DB-25 or DB-9 hole... the A/B serial switches are real attractive because most of them have that kind of holes and sockets in them already. Usually I just pick these out of the trash but if need be they are only a few bucks new. http://www.b2b-computer-case.com/mini-itx-case/04.htm http://www.cablesdirect.com/prodimages/CA260X_LR.jpg Tim N3QE On Thu, Sep 26, 2013 at 11:03 PM, Bob Stewart <[email protected]> wrote: > I've had the Rb on the shelf for a few days next to a few old 3.5" > disk drives, and it suddenly struck me that they're about the same size. > External drive cases and PSUs are "cheap as chips", as they say, so I > was wondering how many people are using an external drive case to hold > their Rb standard? Any brand favorites? > > Bob - AE6RV > _______________________________________________ > time-nuts mailing list -- [email protected] To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
