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720 Keysight N9038A MXE Service Guide
Tests
Quasi-Peak Detector Accuracy
4.
Tune the receiver to 500 MHz with a span of 0 Hz by pressing
FREQ
Channel
,
Center Freq
,
500 MHz
then
SPAN X Scale
,
Zero Span
.
5.
Set the Sweeptime to 2 seconds by pressing
Sweep / Control
,
2 s
.
6.
Set the EMI receiver input attenuator to 18 dB by pressing
AMPTD Y Scale
,
Attenuation
,
18 dB
.
7.
Set the amplitude units to dB
μ
V by pressing
AMPTD Y Scale
,
More
,
Y Axis
Unit
,
More
,
dB
μ
V
.
8.
Set the reference level to 80 dB
μ
V by pressing
AMPTD Y Scale
,
80 dB
μ
V
.
9.
Change the detector used by the EMI receiver to Quasi-Peak by pressing
Trace / Detector
,
More
,
Detector
,
More
,
Quasi Peak
.
10.
Put the EMI receiver in single sweep operation by pressing
Single
.
11.
Take a single sweep on the EMI receiver by pressing
Restart
.
12.
Once the sweep has completed find the peak of the detector output by
pressing
Peak Search
.
13.
Record the marker value in
as the Measured value for the
Band D reference PRF.
14.
Put the marker in Delta mode by pressing
Marker
,
Delta
.
15.
Turn on the continuous peak function by pressing
Peak Search
,
More
,
Continuous Peak Search On
.
16.
Change the Pulse Frequency on the IGUU 2916 EMI pulse generator to
20
Hz
.
17.
Take a single sweep on the EMI receiver by pressing
Restart
.
18.
Once the sweep on the EMI receiver has completed and the auto peak
value is found record the marker delta amplitude value for the pulse
frequency being measured in
.
Table 22-36
Quasi-Peak Sine-Wave Voltage Accuracy Band D - CISPR 16-1-1: 2010 Section 4.3
Pulse Frequency (Hz)
Band D
Lower Limit (dB
μ
V)
Measured (dB
μ
V)
Upper Limit (dB
μ
V)
100
58.0
62.0
Summary of Contents for N9038A
Page 4: ...4 ...
Page 16: ...16 Contents ...
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Page 431: ...450 Keysight N9038A MXE Service Guide Block Diagrams Block Diagrams ...
Page 627: ...646 Keysight N9038A MXE Service Guide Post Repair Procedures Post Repair Procedures ...
Page 639: ...658 Keysight N9038A MXE Service Guide Post Repair Procedures Post Repair Procedures ...
Page 643: ...662 Keysight N9038A MXE Service Guide Instrument Software Software Updates ...
Page 741: ...760 Keysight N9038A MXE Service Guide Tests Intermittent Unsteady Drifting Disturbances ...