Thanks, Pam,
The problem appears limited to the CPU interface of QDR1 on ROACH1. It appears
you are the first ones to use the CPU interface of QDR1 on ROACH1 with an
mlib_devel on or after commit 1cfc60ea from 2012-02-03 (lucky you!). In that
commit, the QDR's system.mhs generation script
Hullo,
So first of all -- That appears to be my commit, so sorry. I'll fix it in
the vanilla fork of the oxford github repo when i get into work this
morning.
FWIW, I believe core_info.tab on ROACH2 also has control addresses which
are wrong. Or rather, are out of date now the ROACH2 QDR module
Checked in to casper_vanilla branch of
https://github.com/oxfork/mlib_devel/tree/casper_vanilla which is almost
identical to the main casper repo but with a few bug fixes (i.e., it
should merge easily).
I've just compiled the design you emailled and identical stuff is coming
out of both QDR
Hi All,
I am working with the Phil Lubin's Deepspace group at UCSB on a ROACH
based spectrometer. I have been testing tutorial 3 using a 1 Volt
peak to peak sine wave with a frequency of 20 MHz. When set the gain
to a reasonable level it outputs a sharp peak in a consistent
location, but the
hi tim,
i suggest you phase lock your 20 MHz generator
to the frequency synthesizer that's generating the adc clock,
and setting the input frequency to the exact center of a spectral bin.
(that insures that every spectra will have the same exact and integer
number of sine waves in it).
for
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