EG&G ORTEC 442 Betriebs- und Wartungshandbuch - Seite 3

Blättern Sie online oder laden Sie pdf Betriebs- und Wartungshandbuch für Messgeräte EG&G ORTEC 442 herunter. EG&G ORTEC 442 16 Seiten. Linear gate and stretcher

Seite drucken
Ill
CONTENTS
Page
WARRANTY
ii
PHOTOGRAPHS
iv
1. DESCRIPTION
1
2. SPECIFICATIONS
1
3. INSTALLATION
2
3.1. Connection to Power
3.2. Linear Input Connection
3.3. Linear Output Connections
3.4. Gate Input
3.5. Connection for Busy Output
2
3
3
3
3
4. OPERATION
4.1. Selection of Input Circuit
4.2. Discriminator Level Adjustment
4.3. Output Delay Adjustment
4.4. Output Width Adjustment
4.5. Output DC Adjustment
4.6. Gated Operation
4.7. Overall Logic
4
4
4
4
4
4
4
5. CIRCUIT DESCRIPTION
5
5.1. DC Restorer
5.2. Buffer Amplifier
5.3. Input Gate
5.4. Busy Output
5.5.
Discriminator
5
6
6
6
7
5.6. Stretch Amplifier
5.7. Output Pulse Delay Control
5.8. Output Pulse Width Control
5.9. Output Gate
5.10. Output Driver Amplifier
6. MAINTENANCE
6.1. Testing Performance of Pulse Stretcher
6.2. Calibration Procedures
6.3. Suggestions for Troubleshooting
6.4. Tabulated Test Point Voltages on Etched Board
8
9
9
SCHEMATIC
442-0101-S1
ILLUSTRATIONS
Fig. 5.1.
Block Diagram of Model 442 Linear Gate and Stretcher
Fig. 5.2.
Typical Timing Diagram of 442 in Normal Condition
Fig. 5.3.
Typical Timing Diagram of Model 442 Showing Effect of Eliminating Pulse Pileup
5
6
6