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Schematic Rate experiments. Appendix C Figure 1. ORTEC CFD 935 CH 4 3. Constant fraction discriminator. CAEN N108A delay. LeCroy 429A Logic Fan in / out. VM USB pulser. LeCroy 429A Logic Fan in / out. CAEN V560N Ch 0 3 1 4 2. LRS 365AL CH 1 A B.
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Schematic Rate experiments Appendix C Figure 1 ORTEC CFD 935 CH 4 3 Constant fraction discriminator CAEN N108A delay LeCroy 429A Logic Fan in / out VM USB pulser LeCroy 429A Logic Fan in / out CAEN V560N Ch 0 3 1 4 2 LRS 365AL CH 1 A B determines coincidence between trigger and pulser signal scaler determines coincidence between fiber and trigger signal Radiation source Particle window AND Coinc. LeCroy 622 CH 1 4 3 2 Scintillating disc PS 744 CH 2 Fan in out PS 710 8 -40.0mV CH 7 -25.0mV Disc. t PMT CAEN N978 CH 1 Amp = 1 Scintillating fiber pipe AND f PMT Amplifier Leading edge discriminator
Schematic Time experiments CAEN V775 TDC Ch 8 0 10 2 9 1 12 4 11 3 Gate ORTEC 935 CFD Ch 2 (5ns) 1 (4.5ns) Timing module Appendix C Figure 2 Constant fraction discriminator ECL/NIM NIM/ECL translator CAEN V538A Ch 0 2 1 4 3 Operated in common stop mode PS 744 Fan in/out Ch 2 3 PS 710 Disc. Ch 1 7 8 2 t PMT Leading edge discriminator f PMT VM-USB pulser Also used to fan out the signal Hewlett Packard 8131A Pulse generator Used to delay the trigger signal
Schematic Time calibration Appendix C Figure 3 CAEN V775 TDC Ch 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Gate Leading edge discriminator Provides a delay CAEN N638 NIM/ECL ECL/NIM CAEN V538A Comm. CAEN N108A Delay PS 710 Disc. Ch 1 LRS LF 4000 Logic fan in/out VM-USB pulser