Time)
From: Matt Dexter <"mdex...@berkeley.edu"@berkeley.edu>
To: casper@lists.berkeley.edu
Subject: Re: [casper] SNAP Board clocking for a low-frequency array
Skimming the Meinberg manual finds reference to outputs that
are TTL levels into 50ohms, TTL levels without load specifi
OLED display ADF4350 signal generator RF source from eBay
On Fri, 19 Oct 2018, Nitish Ragoomundun wrote:
Date: Fri, 19 Oct 2018 13:45:34 +0400
From: Nitish Ragoomundun
Reply-To: casper@lists.berkeley.edu
To: casper@lists.berkeley.edu
Subject: Re: [casper] SNAP Board clocking for a low-frequency
Many thanks for your replies, Bob and Prof Inggs. Now we have a better idea
how to tackle the issue.
Cheers.
On Fri, Oct 19, 2018 at 12:37 PM Michael Inggs wrote:
> Hi Nitish
>
> I am sure the Meinberg TTL will battle to drive 20 mA into the SNAP. It
> is probably rated at a few TTL loads.
>
For the time reference this one was suggested on an earlier discussion….
http://www.leobodnar.com/shop/index.php?main_page=index=107=468ab2632bba5b5ffe4d2fe7d8bb19e2
If you need to reduce cost even more you can find GPS based 1PPS sources on
ebay.
Hi all,
We are building a low-frequency array for the observation of the deuterium
hyperfine line at 327.4 MHz with a bandwidth of 250 kHz. We intend to use
SNAPs for acquisition. The boards will operate at full 12 channels input,
thus the ADCs at 250 MSps. We will subsequently decimate the data
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