On Tue, 26 Apr 2016 22:24:08 +0200
Ilia Platone <[email protected]> wrote:
> I must print each photon event captured by an APD at the focus of more
> telescopes, these events must be timestamped with an accuracy of 2.5ns,
As i wrote before, 1ns should be doable with standard timing GPS receiver
and calibration at those short baselines. Going below that will be a
challenge though.
> and the expected rate is lower than 10MHz.
10MHz is quite a high rate of events that need to be timestamped.
How do you intend to measure events at such a high rate? And how
do you intend to store so much data? Each measurement will need
at least 40bit resolution, at 10MHz that's 50MByte/s. Even if you
say that the average rate is only a fraction of that and you use
lots of buffers, that's still a high data rate for a measurement
instrument.
Attila Kinali
--
Reading can seriously damage your ignorance.
-- unknown
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