Yes, thank you, Dan, I realise much more than just the right number of I/O
pins, Cheers, Neil
From: casper@lists.berkeley.edu On Behalf Of Dan
Werthimer
Sent: 14 November 2023 22:01
To: casper@lists.berkeley.edu
Subject: Re: [casper] state of the art single bit correlators
hi neil
t;
>
> Altera (Intel) do the Stratix 10 GX with a maximum of 1152 LVDS pairs
> running at 1.4 Gbps.
>
>
>
> Thanks, Neil
>
>
>
> *From:* casper@lists.berkeley.edu *On Behalf
> Of *Dan Werthimer
> *Sent:* 11 November 2023 21:30
> *To:* casper@lists.berkeley.
GX with a maximum of 1152 LVDS pairs running
at 1.4 Gbps.
Thanks, Neil
From: casper@lists.berkeley.edu On Behalf Of Dan
Werthimer
Sent: 11 November 2023 21:30
To: casper@lists.berkeley.edu
Subject: Re: [casper] state of the art single bit correlators
hi neil,
for a single
half Of *Dan Werthimer
*Sent:* 11 November 2023 21:30
*To:* casper@lists.berkeley.edu
*Subject:* Re: [casper] state of the art single bit
correlators
hi neil,
for a single frequency channel correlator (continuum
Certainly a great read, many thanks!
From: 'Jonathan Weintroub' via casper@lists.berkeley.edu
Sent: 13 November 2023 13:59
To: casper@lists.berkeley.edu
Subject: Re: [casper] state of the art single bit correlators
Hi Neil, Dan,
That would be the thesis of the brilliant Curtis Mead
I can
>> include in the paper and an IEEE transaction journal?
>>
>>
>>
>> Many thanks,
>>
>> Neil
>>
>>
>>
>> *From:* casper@lists.berkeley.edu *On Behalf
>> Of *Dan Werthimer
>> *Sent:* 11 November 2023 21:52
>
;
>>
>> Many thanks,
>>
>> Neil
>>
>>
>>
>> From: casper@lists.berkeley.edu <mailto:casper@lists.berkeley.edu>
>> mailto:casper@lists.berkeley.edu>> On Behalf Of
>> Dan Werthimer
>> Sent: 11 November 2023 21:52
>>
r this that I can
> include in the paper and an IEEE transaction journal?
>
>
>
> Many thanks,
>
> Neil
>
>
>
> *From:* casper@lists.berkeley.edu *On Behalf
> Of *Dan Werthimer
> *Sent:* 11 November 2023 21:52
> *To:* casper@lists.berkeley.edu
> *Subject:*
,
Neil
From: casper@lists.berkeley.edu On Behalf Of Dan
Werthimer
Sent: 11 November 2023 21:52
To: casper@lists.berkeley.edu
Subject: Re: [casper] state of the art single bit correlators
hi neil,
i don't think waiting 5 years will help:
there will be faster serdes - the current
Hi Dan, that's great information - very helpful.many thanks, best wishes
NeilSent from my Galaxy
Original message From: Dan Werthimer
Date: 11/11/2023 21:51 (GMT+00:00) To: casper@lists.berkeley.edu Subject: Re:
[casper] state of the art single bit correlators hi neil, i
;
> Many thanks,
>
> Neil
>
>
>
> *From:* casper@lists.berkeley.edu *On Behalf
> Of *Dan Werthimer
> *Sent:* 11 November 2023 21:30
> *To:* casper@lists.berkeley.edu
> *Subject:* Re: [casper] state of the art single bit correlators
>
>
>
>
>
> hi neil,
ay a single
> FPGA, Xilinx or Altera ?
>
>
>
> Cheers,
>
> Neil
>
>
>
> *From:* casper@lists.berkeley.edu *On Behalf
> Of *Dan Werthimer
> *Sent:* 11 November 2023 20:23
> *To:* casper@lists.berkeley.edu
> *Subject:* Re: [casper] state of the art s
From: casper@lists.berkeley.edu On Behalf Of Dan
Werthimer
Sent: 11 November 2023 21:30
To: casper@lists.berkeley.edu
Subject: Re: [casper] state of the art single bit correlators
hi neil,
for a single frequency channel correlator (continuum correlator), an XF
architecture (lag
correlator would manage making the
> cross-correlations of 512 single bit channels at 1 GbpS, on say a single
> FPGA, Xilinx or Altera ?
>
>
>
> Cheers,
>
> Neil
>
>
>
> *From:* casper@lists.berkeley.edu *On Behalf
> Of *Dan Werthimer
> *Sent:* 11 No
Many thanks Dan, cheers, Neil
From: salmon.na via casper@lists.berkeley.edu
Sent: 11 November 2023 20:43
To: casper@lists.berkeley.edu
Subject: RE: [casper] state of the art single bit correlators
Thanks Dan,
Yes, one antenna for one receiver, and there is only one frequency channel
: [casper] state of the art single bit correlators
hi neil,
by number of receiver channels, i presume you mean number of antennas?
are these single or dual polarization?
how many spectral channels do you need in your correlator ?
for a large number of spectral channels
hi niel,
oops, i just re-read your email and my undestanding is that you are
digitizing complex IQ data at 1 Gsps for I and 1 Gsps for Q (1 GHz
bandwidth).
so please cut my numbers in my email from a few minutes ago (appended
below) in half:
you can get ~512 signals digitized (or brought in
hi neil,
by number of receiver channels, i presume you mean number of antennas?
are these single or dual polarization?
how many spectral channels do you need in your correlator ?
for a large number of spectral channels,
you'll likely want to use an FX architecture correlator (not XF).
in an FX
track the phase of an incoming
data stream).
Regards,
Dave
From: salmon.na via casper@lists.berkeley.edu
Sent: Saturday, November 11, 2023 11:48 AM
To: casper@lists.berkeley.edu
Subject: [EXTERNAL] [casper] state of the art single bit correlators
For a paper on non-radioastronomy aperture
For a paper on non-radioastronomy aperture synthesis technology I need to
know how many receiver channels can run into an almost top of the range FPGA
optimally designed single-bit cross-correlator running a 2 Gbps. So each
receiver is digitised (sine and cosine) in single bits 1 Gbps. I'm
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