Difference between revisions of "CDC transfer func attempt"

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<h4>Circuit</h4>
 
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|[[Image:cdc_charge_inj.png|thumb|x100px|Charge injection circuit from Fernando's [http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=1364 GlueX-doc-1364] ]]
 
|[[Image:cdc_charge_inj.png|thumb|x100px|Charge injection circuit from Fernando's [http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=1364 GlueX-doc-1364] ]]
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Actual component values used were... 51.1 Ohms, 908 Ohms and 2pF
 
Actual component values used were... 51.1 Ohms, 908 Ohms and 2pF
  
 
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<h4>Early results</h4>
 
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|- Repeated, minus a few attenuators (used attn x5 to go from 0.5V to 0.1V)
 
|- Repeated, minus a few attenuators (used attn x5 to go from 0.5V to 0.1V)

Revision as of 17:16, 1 November 2012

Setup
Setup (GS 4001)

Circuit

Charge injection circuit from Fernando's GlueX-doc-1364

Actual component values used were... 51.1 Ohms, 908 Ohms and 2pF

Early results

100mV leading edge of sq wave step up (yellow) and trigger from pulser (purple) - average
output of shaper - average
output of shaper - expanded time scale
output of fadc - average
output of fadc - expanded time scale

Final results

Borrowed Phillips 5771 (no attenuators needed)

pulser output - single
pulser output - average
pulser output - average


output of shaper - single
output of shaper - average
output of shaper - average
fADC data
upsampled fADC data

Fitted function

mean of upsampled fADC data
fitted function