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Deviation and Maximum Resolution:
400
0.1 Radian
Resolution
40
0.01 Radian
Resolution
4
0.001 Radian
Resolution
200 Hz
1 kHz
Modulation rate
2
Accuracy:
±3% of reading ±1 digit.
Demodulated Output Distortion: <0.1% THD.
AM Rejection (for 50% AM at 1 kHz rates):
<0.03 radians, peak deviation.
Supplemental Characteristics
Modulation Rates: Usable from 20 Hz to 100 kHz
with degraded performance.
Detectors: + peak, peak, average (rms sine wave
calibrated).
Demodulated Output across an Open Circuit
(600
output impedance):
1 V/rad when resolution is 0.001 radian.
0.1 V/rad when resolution is 0.01 radian.
0.01 V/rad when resolution is 0.1 radian.
Amplitude Modulation
Rates:
150 kHz to 10 MHz: 20 Hz to 10 kHz.
10 MHz to 1300 MHz: 20 Hz to 100 kHz.
Depth: to 99%.
2, 5
Accuracy:
150 kHz to 10 MHz: ±2% of reading ±1 digit,
50 Hz to 10 kHz rates, >5% depth.
±3% of reading ±1 digit, 20 Hz to 10 kHz rates.
10 MHz to 1300 MHz: ±1% of reading ±1 digit,
50 Hz to 50 kHz rates, >5% depth.
±3% of reading ±1 digit, 20 Hz to 100 kHz rates.
Flatness (variation in indicated AM depth for
constant depth on input signal):
10 MHz to 1300 MHz: ±0.3% of reading ±1 digit,
90 Hz to 10 kHz rates, 20 to 80% depth.
2 Peak residuals must be accounted for in peak readings.
4 For optimum flatness, cables should be terminated with their
characteristic impedance.
5 For peak measurements only, AM accuracy may be affected by
distortion generated by the modulation analyzer. In the worst
case this can decrease accuracy by 0.1% of reading for each 0.1%
of distortion
6 After 30-day warm-up
10 kHz
20 kHz
2
4
Demodulated Output Distortion: <0.3% THD for
50% depth, <0.6% THD for 95% depth.
FM Rejection (at 400 Hz and 1 kHz rates, 50 Hz
2
to 3 kHz BW):
250 kHz to 10 MHz: <0.2% AM for <5 kHz
deviation.
10 MHz to 1300 MHz: <0.2% AM for <50 kHz
deviation.
Residual AM (50 Hz to 3 kHz BW): <0.01%
Supplemental Characteristics
Maximum Depth Resolution:
0.01% for depths 39.99%.
0.1% for depths 40%.
Detectors: peak [+ peak], trough [ peak],
average (rms sine wave calibrated).
Demodulated Output Across an Open Circuit
(600
output impedance):
0.1 V/percent when resolution is 0.01%.
0.01 V/percent when resolution is 0.1%.
Frequency Counter
Range: 150 kHz to 1300 MHz.
Sensitivity:
150 kHz to 650 MHz: 12 mV
650 MHz to 1300 MHz: 22 mV
Accuracy: Reference accuracy ±3 counts of least
significant digit.
Internal Reference:
Frequency: 10 MHz.
6
Aging Rate: <1x10
/month.
(Optional: <1x10
Supplemental Characteristics
Modes: Frequency, and frequency error (displays
the difference between the frequency entered
via the keyboard and the actual RF input
frequency).
Sensitivity in Manual Tuning Mode: Approximate
frequency must be entered from keyboard.
0.22 mV
( 60 dBm).
rms
Maximum Resolution:
10 Hz for frequencies <1 GHz.
100 Hz for frequencies 1 GHz.
Internal Reference Accuracy: Overall accuracy
is a function of time base calibration ± aging
rate ± temperature effects ± line voltage effects
± short term stability.
Aging Rate
Temperature Effects
Line Voltage Effects
(+5%, 10% line
voltage change)
Short term stability
2
4
( 25 dBm).
rms
( 20 dBm).
rms
9
/day)
6
.
Standard
Option 002
<1 x 10
-6
/mo.
<1 x 10
-9
/day
<2 x 10
-7
/° C
<2 x 10
-10
-6
-10
<1 x 10
<6 x 10
—
<1 x 10
-9
for 1s average
peak
peak
.
rms
/° C
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