AIDA GELINA BRIKEN nToF CRIB ISOLDE CIRCE nTOFCapture DESPEC DTAS EDI_PSA 179Ta CARME StellarModelling DCF K40 MONNET
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Message ID: 8     Entry time: Fri Feb 27 12:41:34 2026
Author: SB, TD, FGI 
Subject: Friday 27 February 2026 
BNC PB-5 settings
Amplitude 5.0V
Attenuator x10
Decay time 1ms
Polarity +
Frequency 20Hz
Delay MIN (250ns)


Silena 7710 Quad Bias
Channel 1 connected to preamp A, channel 2 to preamp B
DSSSD#1 (preamp A) bias -70V I_L -0.11uA
DSSSD#2 (preamp B) bias -70V I_L -0.10uA


CAEN V560 Scaler
Channel
0  Triggers
1  Triggers accepted (STFC DL SAC Mon 2 output )
2  Clock (1kHz) 
3  Pulser (positive NIM logic output -> negative NIM output via Phillips 794)
4
 :
 :
9  OR DSSSD#1 p+n strips 0-15
10 OR DSSSD#1 n+n strips 0-15
11 OR DSSSD#2 p+n strips 0-15
12 OR DSSSD#2 n+n strips 0-15


CAEN V560 scaler channels 0-4 read per event

DAQ Trigger
DSSSD#1 n+n strips OR DSSSD#2 p+n strips OR DSSSD#2 n+n strips (LeCroy 429A)
DAQ trigger re-shaped from c. 100ns to c. 1us by Phillips 794

Logic cable #4 appears to kill 48-way OR logic module - workaround - cable 4 disconnected - scaler #9 no reading 


Silena 9418/6V ADC settings
RTP 0 (2us)
LLD 6 (48 channels)


No ADC data from 3 channels
S9418#1.adc14
S9418#2.adc8
S9418#2.adc9

All other channels appear to be OK
Pulser peak width c. 7 ch FWHM p+n strips, c. 8 ch FWHM n+n strips
See attachments 8-11

RAl109 amplifier output DSSSD#1 p+n strip 0 - attachments 1, 2 and 4 - beam OFF, no significant extrinsic noise


Photograph of experiment electronics and sample chamber - attachments 3, 5-7
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