Hello !
Please count me in also for two sets of TM 500 extenders and one HP 5370
board set.
Please contact me off list at : va2hdd (at) amsat.org when you can, no
rush, I have one question about this project.
Thank you,
Claude Houde VA2 HDD
Le 2014-08-15 12:00, [email protected] a écrit :
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Today's Topics:
1. Re: HP5370 extender cards? (paul swed)
2. HP5370 extender cards? (Mark Sims)
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Message: 1
Date: Thu, 14 Aug 2014 19:47:05 -0400
From: paul swed<[email protected]>
To: Discussion of precise time and frequency measurement
<[email protected]>
Subject: Re: [time-nuts] HP5370 extender cards?
Message-ID:
<cad2jfagjkngtyki4kahvgj6g2htgnndgn69fjegn24k0x2b...@mail.gmail.com>
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Let me know when things settle. Most likely will want a set.
Regards
Paul
WB8TSL
On Thu, Aug 14, 2014 at 12:12 PM, Mark Sims<[email protected]> wrote:
It usually takes 2-3 weeks to get boards back once sent to the fab (in
China). Supposedly the boards that I am having them do for another project
should be here today and I can verify their quality.
I also laid out a 20 pin extender to connect the input board to the front
panel, but I don't think those would be too useful. You can extend the
other side of the input board/front panel using a 36 pin extender.
A while back I had the idea of doing a replacement board for the custom HP
input comparator chips that fry is you overload the 5370 inputs. Need to
start looking at what that would take... there are two different versions
of that chip/input board. The replacement could be for just the chip or
the complete input board.
--------------
Approx how long should they be ready to ship after you decide to proceed
with the order?
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------------------------------
Message: 2
Date: Fri, 15 Aug 2014 01:06:25 +0000
From: Mark Sims<[email protected]>
To: "[email protected]"<[email protected]>
Subject: [time-nuts] HP5370 extender cards?
Message-ID:<[email protected]>
Content-Type: text/plain; charset="iso-8859-1"
Yes, can ship world wide. Not sure what the postage will be, but should not
be too bad.
I'm leaning towards a 3 card set as the standard. Two of the 36 pin extenders
and one of the 44 pin. There are a couple of other misc boards in the machine
with different pin counts (oscillator, oscillator power, oscillator buffer)
but those three should be able to handle most of the work. If you really
needed to extend the 30 pin oscillator or buffer cards, you could hack up a 36
pin card.
I got my other projects' boards in from China today. They look good. Now to
get the TM500 and 5370 boards on order.
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End of time-nuts Digest, Vol 121, Issue 40
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