Racal Instruments 2461 User Manual page 10

200mhz universal counter timer type c
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2461Type C User Manual
Using The Soft Front Panel............................................................................................................ 5-1
Arm Source Configuration.............................................................................................................. 5-5
Configure Inputs............................................................................................................................. 5-6
Select Reference ........................................................................................................................... 5-8
Configure Math Function................................................................................................................ 5-9
About............................................................................................................................................5-10
.............................................................................................................................6-1
PERFORMANCE VERIFICATION AND ADJUSTMENTS ............................................................. 6-1
Introduction .................................................................................................................................... 6-1
Test Equipment Required .............................................................................................................. 6-1
Input 1 Sensitivity Test................................................................................................................... 6-2
Input 2 Sensitivity Test................................................................................................................... 6-4
Input 3 Performance Verification.................................................................................................... 6-6
Time Interval 1:2 Test .................................................................................................................... 6-8
Totalize 1 by 2 Test...................................................................................................................... 6-10
Ratio 1:2 Test............................................................................................................................... 6-11
Trigger Level Accuracy Test ........................................................................................................ 6-12
Functional Checks ....................................................................................................................... 6-14
Input 1 Filter Check...................................................................................................................... 6-14
Input 2 Filter Check...................................................................................................................... 6-15
Input 1 Attenuator Check ............................................................................................................. 6-17
Input 2 Attenuator Check ............................................................................................................. 6-18
Hysteresis Check for Input 1........................................................................................................ 6-19
Hysteresis Check for Input 2........................................................................................................ 6-19
Calibration, External Standard Output (2461-Ce and 2461-Cf) ...................................................6-20
............................................................................................................................. 7-1
PRODUCT SUPPORT ................................................................................................................... 7-1
Product Support ............................................................................................................................. 7-1
Reshipment Instructions ................................................................................................................ 7-1
Appendix A: SPECIFICATIONS.................................................................................................... A-1
Appendix B: APPLICATION NOTES............................................................................................. B-1
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