Short Form Specification Test................... 7-5
Sensitivity and Frequency Range ....... 7-5
Voltage............................................... 7-6
Trigger Indicators vs. Trigger Levels... 7-7
Input Controls..................................... 7-8
Reference Oscillators (not CNT-91R) . 7-8
Rubidium Oscillator (CNT-91R and
CNT-91R/71B) ................................... 7-8
Resolution Test .................................. 7-9
Rear Inputs/Outputs.................................. 7-9
10 MHz OUT (all models) 0.1, 1, 5 & 10
MHz OUT(CNT-91R/71B
EXT REF FREQ INPUT...................... 7-9
EXT ARM INPUT.............................. 7-10
Measuring Functions ............................... 7-10
Check of HOLD OFF Function................. 7-10
RF Inputs................................................. 7-12
Checking Input C............................... 7-12
Power Measurement
(CNT-90XL only)................................ 7-13
Battery Supply ........................................ 7-21
Performance check procedure of
Option 28 Pulsed RF
................................................................. 7-14
Sensitivity.................................... 7-15
Frequency in Pulse........................... 7-15
Accuracy without
short-pulse compensation........... 7-16
Pulse width measurements............... 7-18
Accuracy with
short-pulse compensation........... 7-16
PRI measurements........................... 7-19
Power measurement......................... 7-19
Power sensitivity............................... 7-20
Power accuracy................................ 7-20
Option 23/90 for CNT-90 & CNT-90XL
only...................................................7-21
8 Specifications
CNT-90 .............................................. 8-2
Introduction ...............................................8-3
Measurement Functions............................8-3
Frequency A, B, C...............................8-3
Frequency Burst A, B, C......................8-3
Period A, B, C Average .......................8-3
Period A, B Single...............................8-4
Ratio A/B, B/A, C/A, C/B .....................8-4
Time Interval A to B, B to A, A to A, B to B
...........................................................8-4
Pulse Width A, B.................................8-4
Rise and Fall Time A, B.......................8-4
Phase A Rel. B, B Rel. A.....................8-5
Duty Factor A, B..................................8-5
V
max
, V
min
, V
p-p
A, B..............................8-5
Timestamping A, B, C .........................8-6
Auto Set / Manual Set .........................8-6
Input and Output Specifications.................8-6
Inpu
ts A and B ....................................8-6
Input C (Option 10)..............................8-7
Input C (Option 13)..............................8-7
Input C (Options 14 & 14B) .................8-8
Rear Panel Inputs & Outputs...............8-8
Auxiliary Functions....................................8-8
Trigger Hold-Off ..................................8-8
External Start/Stop Arming..................8-8
Statistics .............................................8-8
Mathematics .......................................8-9
Other Functions ..................................8-9
Display................................................8-9
GPIB Interface ....................................8-9
USB Interface....................................8-10
TimeView™ ......................................8-10
Battery Unit .............................................8-10
Option 23/90 .....................................8-10
Measurement Uncertainties.....................8-11
Random Uncertainties (1) ...............8-11
Systematic Uncertainties...................8-11
Total Uncertainty (2) .......................8-11
Time Interval, Pulse Width, Rise/Fall Time
.........................................................8-11
Frequency & Period ..........................8-11
Frequency Ratio f
1
/f
2
......................... 8-12
Phase ...............................................8-12
Duty Factor ....................................... 8-12
Calibration............................................... 8-13
Definition of Terms ............................8-13
General Specifications ............................8-13
Environmental Data...........................8-13
Power Requirements.........................8-13
Dimensions & Weight........................ 8-14
Ordering Information ...............................8-14
Timebase Options................................... 8-15
Explanations..................................... 8-15
CNT-90XL ....................................... 8-16
Introduction............................................. 8-17
Measurement Functions ......................... 8-17
Frequency A, B, C ............................ 8-17
Frequency Burst A, B ....................... 8-17
Period A, B, C Average..................... 8-17
Period A, B Single ............................ 8-17
Ratio A/B, B/A, C/A, C/B................... 8-17
Time Interval A to B, B to A, A to A, B to B
.......................................................... 8-17
Pulse Width A, B............................... 8-18
Rise and Fall Time A, B.................... 8-18
Phase A Rel. B, B Rel. A .................. 8-18
Duty Factor A, B ............................... 8-18
V
max
, V
min
, V
p-p
A, B ........................... 8-18
Power C ........................................... 8-18
Timestamping A, B ........................... 8-19
(option 28 only).................................. 8-19
Auto Set / Manual Set....................... 8-19
Pulsed RF parameters input C
V
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