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VETROC for

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VETROC for




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Presentation on theme: "VETROC for"— Presentation transcript:

Slide1

VETROC for Edet DAQ

Bob Michaels (presenting) Scott Barcus Alexandre Camsonne Ben Raydo and the GRINCH group (Todd Averett et. al.)

Compton Meeting

Oct 21, 2016

Slide2

DAQ systems for Compton data.

These probably should be merged into one.Pipelining modules need intel PC, but CMU DAQ presently based on vxWorks cpu

Slide3

Exists, being tested in Hall A with photon detector

Exists, under development in GRINCH detector test stand

Slide4

VETROC

GTP

What is a

VETROC

?

(

V

xs

– based

E

lectron

T

rigger and

R

ead

O

ut

Controller )

A

module

built

by the

JLab

DAQ group

Like a TDC

Pipelining -- zero ( very little )

deadtime

Feeds data to a CTP (or GTP) across backplane. (CTP, GTP also built at

JLab

)

CTP = crate trigger processor

CTP has FPGA programmed to form a trigger

based on pattern of hits in VETROC

Slide5

VETROC

GTP

VETROC

Specs

Resolution : 1

nsec

(our board)

can be 20

psec

128 channels per board, 17 boards fit in crate

Bandwidth: 4

Gbit

/sec

Can accept front-panel trigger, or can feed its data to GTP to form a trigger at 30 MHz

Readout speed – observations:

0

deadtime

for 160 kHz with 5 hits

250 kHz with 1 hit

Slide6

GRINCH

Test StandUses VETROC Similarly to how Compton Edet wouldScott BarcusCarlos Gayoso

Ben

Raydo

Evan McClellan

Slide7

GRINCH

Test StandUses VETROC Similarly to how Compton Edet wouldScott BarcusCarlos Gayoso

Ben

Raydo

Evan McClellan

Slide8

GRINCH

Test StandUses VETROC Similarly to how Compton Edet wouldScott BarcusCarlos Gayoso

Ben

Raydo

Evan McClellan

Slide9

VETROC

data from GRINCH Setup -- an examplePMT data processed by NINO cards. Light from LED. Two peaks are leading and trailing edges. Trailing edge wider as expected.

Slide10

Slide11