[hpsdr] High Accuracy Timing for HPSDR

[cbayona]

How good are the Bliley oven oscillators, there is a vendor that has a
bunch at 100MHz with a voltage input pin to adjust the oscillator. The
model number is NV26R891, he is asking $40


On Wed, 2006-05-17 at 20:09 -0700, Alex wrote:
> ***** High Performance Software Defined Radio Discussion List *****
> 
> Another OCXO vendor is Bliley Technologies in Erie, PA. (http://www.bliley.com). They have a couple packaging options. http://www.bliley.com/ocxo/ocxo.htm
> 
> The have a number of off-the-shelf designs that deliver in less than a week. http://www.bliley.com/index_069.htm
> 
> No, I don't have any affiliation with these folks.
> 
> Alex, N3NP
> 
> ----- Original Message ----
> From: Steven Bible <srbible at earthlink.net>
> To: hpsdr at hpsdr.org
> Sent: Wednesday, May 17, 2006 7:31:39 PM
> Subject: Re: [hpsdr] High Accuracy Timing for HPSDR
> 
> ***** High Performance Software Defined Radio Discussion List *****
> 
> Hi Achim,
> 
> I know the Crystek folks.  If we can get a large order, we can bring the price down.  It was my encouragement that got them to offer the OCXO as a catalog order item.  Normally, OCXOs are build to order.  I've got quotes from several companies and the prices include NRE.  So this is a bargin, so to speak.
> 
> Buying HP 10811's surplus on eBay, I've spent easily $175.00 for one!  Having a source is important.  
> 
> I am always open for ideas.  
> 
> - Steve N7HPR
> 
> 
> 
> -----Original Message-----
> >From: Achim Vollhardt <avollhar at physik.unizh.ch>
> >Sent: May 17, 2006 6:58 PM
> >To: hpsdr at hpsdr.org
> >Subject: [hpsdr]  High Accuracy Timing for HPSDR
> >
> >***** High Performance Software Defined Radio Discussion List *****
> >
> >Hi Steven,
> >just checked with Mouser for the OCXO you listed.. 260 bucks for single 
> >quantity? Can't be true.. can it?
> >
> >73s Achim, DH2VA
> >
> >> Hi Alex,
> >> 
> >> I'd be willing to help with this board since I was the one that laid out the
> >> Reflock II PCB.
> >> 
> >> As to a GPS engine, we need to look for a timing GPS.  A timing GPS can
> >> perform a self survey and then lock its position for a more accurate 1PPS
> >> signal.  The older 8-channel Oncode UT, UT+, and VP, or the newer 12-channel
> >> M12, M12+, and M12+ Timing have been timing GPS of choice for hams since we
> >> could buy them and using W2GPS's TAC32 program to operate them.  Since
> >> Motorola sold off its Oncore line to SiRF, and the dust is about to settle,
> >> the M12 line will come out later this year as the M12M.
> >> 
> >> I have already started on a PCB that integrates the GPS, Reflock II, and 10
> >> MHz OCXO (I am looking at the Crystek CO27VH15DE-12-10.000 available from
> >> Mouser).  The goal I have is to design the board such that all the parts can
> >> be readily purchased.  I really don't want to rely on surplus GPSs and
> >> OCXOs.  This entire lash up will be tested in N8UR's timing lab.  The GPS
> >> footprint would accomidate the Oncore UT/VP and M12 GPSs.  So if you can
> >> populate which ever one you have on hand, or can purchase surplus or a new
> >> M121M.
> >> 
> >> 73,
> >> 
> >> - Steve, N7HPR
> >
> >
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> 
> \r\n- Steve\r\n  (n7hpr at tapr.org)\r\n
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> 
> 
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-- 

Cecil
KD5NWA
www.qrpradio.com


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