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1:
Calibration
v
alues
for
attenuation
settings
of
10
dB
to
60
dB
at
50
MHz
are
required.
Procedure
1.
Record
the
step
attenuator
50
MHz
calibration
v
alues
in
the
calculation
sheet
(\Calibration
V
alue"
column).
2.
Connect
the
test
equipmen
t
as
sho
wn
in
Figure
2-21.
Note
Connect
the
signal
generator's
10
MHz
frequency
reference
output
to
the
4395A
EXT
REF
Input
on
the
rear
panel
as
sho
wn
in
Figure
2-21 .
With
this
conguration,
b oth
the
signal
generator
and
the
4395A
are
phase
lo
c
k
ed
to
the
same
reference
frequency
to
obtain
a
stable
measuremen
t.
Figure
2-21.
Amplitude
Fidelity
T
est
Setup
1
3.
Initialize
the
signal
generator.
Then
set
the
con
trols
as
follo ws:
Con
trols
Settings
F
requency
50.1
MHz
Amplitude
6
dBm
4.
Press
4
Meas
5,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ANALYZER
TYPE
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SPECTRUM
ANALYZER
,
4
Preset
5
to
initialize
the
4395A.
Then
set
the
con
trols
as
follows
Con
trol
Settings
Key
Strok
es
Cen
ter
F
requency:
50.1
MHz
4
Center
5,
4
5
5,
4
0
5,
4
.
5,
4
1
5,
4
M/
5
F
requency
Span:
120
Hz
4
Span
5,
4
1
5,
4
2
5,
4
0
5,
4
x1
5
RBW:
10
Hz
4
Bw/Avg
5,
NNNNNNNNNNNNNNNNNNNN
RES
BW
,
4
1
5,
4
0
5,
4
x1
5
Video
BW:
10
Hz
4
Bw/Avg
5,
NNNNNNNNNNNNNNNNNNNNNNNNNN
VIDEO
BW
,
4
1
5,
4
0
5,
4
x1
5
5.
Press
4
Meas
5,
NNNNN
R
to
set
the
4395A
to
the
R
input.
2-54
P
erformance
T
ests
Содержание 4395A
Страница 10: ......
Страница 26: ......
Страница 34: ......
Страница 77: ...Figure 2 17 B R Magnitude Ratio Phase Dynamic Accuracy Test Setup 2 Performance Tests 2 43 ...
Страница 167: ...Figure 5 1 Adjustment Hardware Setup Adjustments 5 5 ...
Страница 186: ...Figure 5 13 Receiver Gain Adjustment Location 5 24 Adjustments ...
Страница 190: ...Figure 5 16 Receiver Flatness Adjustment Setup 1 MHz 5 28 Adjustments ...
Страница 194: ...Figure 5 20 DC Bias Adjustment Setup 2 5 32 Adjustments ...
Страница 196: ...Figure 6 1 Troubleshooting Organization 6 2 Troubleshooting ...
Страница 206: ...Figure 7 1 Power Supply Lines Simplified Block Diagram 7 2 Power Supply Troubleshooting ...
Страница 212: ...Figure 7 5 A1 CPU Connector Locations 7 8 Power Supply Troubleshooting ...
Страница 220: ...Figure 8 1 Digital Control Group Simplified Block Diagram 8 2 Digital Control Troubleshooting ...
Страница 240: ...Figure 10 1 Top View Major Assemblies 10 4 Replaceable Parts ...
Страница 292: ...Table A 2 Manual Changes by Firmware Version Version Make Manual Changes A 2 Manual Changes ...
Страница 303: ...Change 6 Change the Replaceable Parts as following Figure A 10 Top View Major Assemblies Manual Changes A 13 ...
Страница 308: ......
Страница 311: ...Figure B 1 Power Cable Supplied Power Requirement B 3 ...
Страница 312: ......
Страница 342: ......