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7260A
List of Illustrations
FIGURE
l-1.
2-1.
2-2.
2-3.
2-4.
2-5.
2-6.
2-7.
2-8.
2-9.
2-10.
2-l 1.
2-12.
3-l.
3-2.
3-3.
3-4.
3-5.
3-6.
3-7.
3-8.
3-9.
3-10.
3-11.
3-12.
3-13.
3-14.
3-15.
3-16.
3-17.
3-18.
3-19.
4-1.
4-2.
4-3.
4-4.
4-5.
4-6.
4-7.
4-8.
4-9.
4-10.
TITLE
PAGE
Frontispiece
...
.................................................................
VII1
Dimensions
.................................................
.................
1-6
Instrument
Case Mating
.......................................................
2-1
Front Panel Controls,
Connectors
and Indicators
.................................
2-2
Rear Panel Controls
and Connectors
........................
....................
2-4
Event Timing
................................................................
2-5
Time Interval
Repetition
Rate Versus Time Base
.................................
2-6
Hysteresis Window
..........
.................................................
2-6
Input Coupling
...............................................................
2-6
Noise and Distortion
Effect ....................................................
2-7
One Count Error
.............................................................
2-7
Trigger
Level
................................................................
2-8
TI Holdoff
..................................................................
2-10
Decimal
Point Placement
......................................................
2-1 I
Functional
Block Diagram
.....................................................
3-2
Frequency
Measurements
......................................................
3-4
Counts Per Minute
Measurements
..............................................
3-4
Ratio Measurements
..........................................................
3-5
Period Measurements
.........................................................
3-5
Period Averaging
Measurements
................................................
3-6
Time Interval
Measurements
...................................................
3-6
Time Interval
Average A B Measurements
.......................................
3-7
Totalize
A Gated by B Measurements
...........................................
3-8
SelfCheck
...................................................................
3-9
Input Circuitry
...............................................................
3-10
Time Interval
Average Logic
...................................................
3-13
Time Interval
Average
A
B Measurements
.......................................
3-14
Resolution
100 Logic
..........................................................
3-16
Clock Select Logic ............................................................
3-18
Gate Select Logic
.............................................................
3-19
Counter
Multiplexer
(UI3)
.....................................................
3-19
Gate Indicator
Circuits
........................................................
3-20
RemoteLogic
................................................................
3-21
Latch Removal
...............................................................
4-2
Line Voltage
Selection
........................................................
4-3
Channel
A Sensitivity
Test .....................................................
4-5
Channel
B Sensitivity
Test .....................................................
4-6
Time Interval
Average Test ....................................................
4-9
External
Reference Input Test ..................................................
4-11
Marker
Check
...............................................................
4-12
Marker
Output
Waveforms
....................................................
4-12
Time Base Adjustment
Location
..............................................
. . 4-13
Maintenance
Locator
.........................................................
4-16
v/vi
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