S2 — VTPC21 (GTS3EG5T)

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Updated November 07, 2019

Official Manual of TPC ( PDF )
Recent Log and Memo about TPC (2019) (External link)

On 28/11/2023 the thresholds of the TPC raw signal were measured and the measurements are reported in Table 1.

Table 1. TPC thresholds on the discriminator/amplifier

Signals	TPC21	TPC22	TPC23	TPC24	TPC31	TPC41	TPC42
A11	no access	-73,5	no access	-144,4	-366	-154,3	-163,8
A12	-72,7	no access	-159,3	-147,6	-387	-144,9	-164,9
A21	no access	-77	-158,3	-159,9	-353	-147,8	-160,7
A22	-157,1	-76,4	-144,7	-156,1	-405	-150,1	-166,8
DL1	-112,2	-108,9	-127,3	-195,4	-83,3	-152,2	-119,9
DR1	-79,7	-77,1	-117,3	-207	-110,9	-154,7	-116,4
DL2	-184,4	-71,3	-122,7	-196,8	-64,3	-150,6	-120,9
DR2	-180	-71	no access	-190,8	-49,6	-148,2	-127

On 28/11/2023 the thresholds of the TPC Sci-Sig raw were measured and the measurements are reported in Table 2.

Table 2. TPC calibration grid values.

TPC	Threshold on discriminator	High Voltage (V)	Current at no bema (\mu A)
TPC24	-15,3	500,5	178
TPC42	-45,6
TPC22	-46,5	600	213,5
TPC41	-49,6
TPC21	-64,5	600,5	214
TPC23	-136,5	500,5	178
TPC31		330	117,5

Messagelog

On 28/11/2023 the readout window of the TDC for the TPC has been moved about 1 microsecond in order to better center the events.

-- SagarRoy - 2021-06-26