Racal Instruments 2251A Operator's Manual page 7

Universal timer/counter
Table of Contents

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SECTION 4
PERFORMANCE VERIFICATION . . . . . . . . . . . . . . . .
4.1
4.2
Functional Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3
Disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4
Reassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.5
2251A Input Amplifier Setup Procedure . . . . . . . . . . . . . .
SECTION 5
APPLICATION NOTES . . . . . . . . . . . . . . . . . . . . . . . . . .
5.1
5.2
Calculating Measurement Cycle Time . . . . . . . . . . . . . . . .
SECTION 6
OPTIONAL CABLE ASSEMBLIES . . . . . . . . . . . . . . . .
FIGURES
1.1
2251A Resident In a VXIbus Compatible Mainframe . . . .
2.1
Location of Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1
IEEE-488.2 Status Reporting Model . . . . . . . . . . . . . . . . . .
4.1
4.2
4.3
4.4
4.5
Input C Test Configuration . . . . . . . . . . . . . . . . . . . . . . . . .
4.6
Time Interval A-B Test Configuration . . . . . . . . . . . . . . . .
4.7
Totalize A by B Test Configuration . . . . . . . . . . . . . . . . . .
4.8
Ratio A/B Test Configuration . . . . . . . . . . . . . . . . . . . . . . .
4.9
Ratio C/B Test Configuration . . . . . . . . . . . . . . . . . . . . . . .
4.10
Input A Trigger Level Test Configuration . . . . . . . . . . . . . .
4.11
Input B Trigger Level Test Configuration . . . . . . . . . . . . . .
4.12
Input A Filter Check Configuration . . . . . . . . . . . . . . . . . . .
4.13
4.14
4.15
Location of R10, R11, R12 and R15 . . . . . . . . . . . . . . . . . .
4.16
Input A Amplifier Setup Configuration . . . . . . . . . . . . . . . .
4.17
Input B Amplifier Setup Configuration . . . . . . . . . . . . . . . .
4.18
Input C Setup Configuration . . . . . . . . . . . . . . . . . . . . . . . .
5.1
Positive/Negative Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2
Rise/Fall Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3
Phase Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
TABLE OF CONTENTS (Continued)
ii
4-1
4-1
4-14
4-17
4-17
4-18
5-1
5-1
5-8
6-1
1-1
2-2
3-22
4-3
4-4
4-5
4-6
4-7
4-8
4-9
4-10
4-11
4-12
4-13
4-14
4-15
4-16
4-18
4-19
4-20
4-21
5-2
5-2
5-6

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