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hv_bias [2013/12/14 15:47]
pereira [CRDCs]
hv_bias [2013/12/14 15:55]
pereira [CRDCs]
Line 15: Line 15:
  
 ===== CRDCs ===== ===== CRDCs =====
-Each of the two detectors, [[Detectors#Cathode Readout Drift Chambers (CRDC)|CRDC1 and CRDC2]], has a separate bias control for the anode and the drift electrode via the S800 Detector HV Control. Please keep in mind that a change in the drift voltage of the CRDCs strongly effects the drift velocity of the electrons and a new mask calibration has to be done to be able to determine the y position of particles.  +Each of the two detectors, CRDC1 and CRDC2, has a separate bias control for the anode and the drift electrode via the S800 Detector HV Control. Please keep in mind that a change in the drift voltage of the CRDCs strongly affects the drift velocity of the electrons and a new mask calibration has to be done to be able to determine the y position of particles. Apart from the CRDCs, it is important to bias the electrostatic gate (see section [[Detectors#Cathode Readout Drift Chambers (CRDC)|CRDC]]). The power supply is cl, and the typical volage is 26 V.
 ===== TPPACs ===== ===== TPPACs =====
 The bias of each of the two detectors, PPAC1 and PPAC2 is controlled individually via the S800 Detector HV Control. There are two types of detectors used for the TPPACs: either the “classic” PPACs or PPACs with individual strip readouts for handling higher rates. There is not a difference between the two detector types in terms of how the data is used.  They do differ in terms of electronics and acquisition. The bias of each of the two detectors, PPAC1 and PPAC2 is controlled individually via the S800 Detector HV Control. There are two types of detectors used for the TPPACs: either the “classic” PPACs or PPACs with individual strip readouts for handling higher rates. There is not a difference between the two detector types in terms of how the data is used.  They do differ in terms of electronics and acquisition.
hv_bias.txt · Last modified: 2023/10/17 09:40 by noji