ORTEC 473 - Table of Contents

CONTENTS
Page
WARRANTY
w
PHOTOGRAPHS . .
VI
1 GENERAL ^
1.1. Functional Description ^
1.2. Physical Description ^
2. SPECIFICATIONS 2
2.1. Performance -
2.2. Controls »
2.3. Signal Input _
2.4. Signal Outputs 2
2.5. External Delay 2
2.6. Electrical and Mechanical 2
3. INSTALLATION 3
3.1. General 2
3.2. Connection to Power 3
3.3. Input Connection 3
3.4. Output Connections | ' ' 3
3.5. External Control 3
4. OPERATION
4
5. THEORY OF OPERATION 4
5.1. General 4
5.2. Input Circuit g
5.3. Lower Level Discriminator g
5.4. Upper Level Threshold g
5.5. Constant Fraction Discriminator g
5.6. Constant Fraction Operation | ] c
5.7. Slo R.T. Rej Operation g
5.8 Leading Edge Operation g
5.S Output Pulse Generation g
5.10. External Selections g
5.11. Power Supplies g
6. APPLICATIONS g
^.1. "^'ming with Fast Scintillators g
sj.2. Timing with Nal(TI) Scintillators 9
6.3. Timing with Large Ge(Li) Detectors 9
6.4. Timing with Other Detectors ! ! ! 14
7. CALIBRATION .,g
7.1. Equipment Required .jg
7.2. Preliminary Procedure
7.3. Leading Edge Discriminator Test 15
7.4. Scintillation Mode Walk Test 15
7.5. NaI Mode Walk Test 17
7.6. Ge(Li) Mode Walk Test ' ] 1g
7.7. Factory Repair ^ ig
BIBLIOGRAPHY 20
APPENDIX 20
Replaceable Parts
Block Diagram and Schematic 473-0101-B1 473-0101-S1