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HV Power Supply Tests Results Comparison | Fast Site CMS PNPI

Conducted HV power supply test at US CMS PNPI Fast Site in July 2004. Comparison of DAQ tests results for CAEN and EMU HV systems, noise immunity tests, and overall performance evaluation.

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HV Power Supply Tests Results Comparison | Fast Site CMS PNPI

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  1. US CMS PNPI FAST Site HV Power Supply Test HV Power Supply Tests (CSC-DAQ test results) PNPI : A.Denisov, A.Petrunin, L.Shchipunov, S.Vavilov UFL : V.Barashko, A.Madorsky GATCHINA,PNPI July, 2004 A.Denisov, PNPI

  2. US CMS PNPI FAST Site HV Power Supply Test The test Tasks: 1. 1.Perform the set DAQ tests with CAEN HV System and EMU HV System and compare results. 2. EMU HV System noise immunity tests. A.Denisov, PNPI

  3. US CMS PNPI FAST Site HV Power Supply Test 1.Perform the set DAQ tests … Test1. CHAMBER ME4/1-18 Step1.Nominal CAEN HV System a.Test 11(anode count rate) at 3800/3600V b.Test 13 (anode analog noise) at 0 V c. Test 15 (SCA-path analog noise) at 0 V d. Test 18 (comparator count rate) at 3800/3600V e. Test 11’ with CS-137 source at 3800/3600V, f. Test 18’ with CS-137 source at 3800/3600V g. HV current measurements with CS-137 Step2.EMU CAEN HV System Perform the same test set as in Step1. Step3.EMU CAEN HV PS + 8 CSC ME4/1 connected Perform the same test set as in Step1. A.Denisov, PNPI

  4. HV D I S T R I B U T ion CAEN MASTER Board CSC ME41 CSC ME41 CSC ME41 CSC ME41 ME4-1-18 Primary Power supply FAST DAQ OSC RG US CMS PNPI FAST Site HV Power Supply Test A.Denisov, PNPI

  5. US CMS PNPI FAST Site HV Power Supply Test A.Denisov, PNPI

  6. PNPI Different outputs (test #11) A.Denisov, PNPI CMS EMU, PNPI, Jul. 23, 2004 A.Denisov

  7. PNPI CAEN UF-PNPI AFEB Counting rate( test #11) Rate(Hz) v.s. Wire Group A.Denisov, PNPI CMS EMU, PNPI, Jul. 23, 2004 A.Denisov

  8. PNPI CAEN UF-PNPI AFEB Analog Noise( test#13) Noise v.s. Wire Group A.Denisov, PNPI CMS EMU, PNPI, Jul. 23, 2004 A.Denisov

  9. US CMS PNPI FAST Site HV Power Supply Test CFEB comparator rate(Hz) v.s. strip number CAEN UF-PNPI A.Denisov, PNPI

  10. US CMS PNPI FAST Site HV Power Supply Test CAEN UF-PNPI SCA-path analog noise v.s. Wire Group A.Denisov, PNPI

  11. US CMS PNPI FAST Site HV Power Supply Test Test#11 Cs137 CAEN UF-PNPI A.Denisov, PNPI

  12. US CMS PNPI FAST Site HV Power Supply Test Test#11 Cs137 CAEN UF-PNPI A.Denisov, PNPI

  13. US CMS PNPI FAST Site HV Power Supply Test Test#11 Cs137 CAEN UF-PNPI A.Denisov, PNPI

  14. PNPI CFEB Noise test(#15) 2. EMU HV System noise immunity tests. 2.1 Pulse generator in the ground circuit Up to 5V pulse 1 – 100kHz, rt=50nSec, With=1uSec 2.2 AC /DC Voltage difference between ground connections, AC 50Hz, up to 1V. 2.3.AC load jumps : 4kW wending transformer (just near system <10m). Test 11 without/low HV as sensor of interference in all cases (20 fq threshholds of AFEBS) A.Denisov, PNPI CMS EMU, PNPI, Jul. 23, 2004 A.Denisov

  15. PNPI CFEB Noise test(#15) Resume 1.CSC DAQ Tests parameters (count rates, noise) with EMU HV System have ~ the same values as with CAEN HV system. 2.System has good protection from pulse interference (better than 5V), AC net interference (better than 1V), AC spark interference. 3.System has equal to CAEN possibility for current measurement. A.Denisov, PNPI CMS EMU, PNPI, Jul. 23, 2004 A.Denisov

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