15.
INPUT
A
TTENUA
TOR
SWITCHING
UNCERT
AINTY
TEST
Step
A
ttenuator
Calibration
V
alue
at
50
MHz
A
tten
uation
Calibration
V
alue
1
10
dB
a1
=
dB
20
dB
a2
=
dB
30
dB
a3
=
dB
40
dB
a4
=
dB
50
dB
a5
=
dB
1
:
Incremental
atten uation
referenced
to
0
dB
setting.
Input
A
ttenuator
Switching
Uncertainty
Input
R
4395A
Input
A
tten
uation
4395A
Reading
[b]
T
est
Result
0
dB
dB
b0a4+a5
=
20
dB
dB
b0a4+a3
=
30
dB
dB
b0a4+a2
=
40
dB
dB
b0a4+a1
=
50
dB
dB
b0a4
=
Input
A
4395A
Input
A
tten
uation
4395A
Reading
[b]
T
est
Result
0
dB
dB
b0a4+a5
=
20
dB
dB
b0a4+a3
=
30
dB
dB
b0a4+a2
=
40
dB
dB
b0a4+a1
=
50
dB
dB
b0a4
=
3-16
Calculation
Sheet
Summary of Contents for 4395A
Page 10: ......
Page 26: ......
Page 34: ......
Page 77: ...Figure 2 17 B R Magnitude Ratio Phase Dynamic Accuracy Test Setup 2 Performance Tests 2 43 ...
Page 167: ...Figure 5 1 Adjustment Hardware Setup Adjustments 5 5 ...
Page 186: ...Figure 5 13 Receiver Gain Adjustment Location 5 24 Adjustments ...
Page 190: ...Figure 5 16 Receiver Flatness Adjustment Setup 1 MHz 5 28 Adjustments ...
Page 194: ...Figure 5 20 DC Bias Adjustment Setup 2 5 32 Adjustments ...
Page 196: ...Figure 6 1 Troubleshooting Organization 6 2 Troubleshooting ...
Page 206: ...Figure 7 1 Power Supply Lines Simplified Block Diagram 7 2 Power Supply Troubleshooting ...
Page 212: ...Figure 7 5 A1 CPU Connector Locations 7 8 Power Supply Troubleshooting ...
Page 220: ...Figure 8 1 Digital Control Group Simplified Block Diagram 8 2 Digital Control Troubleshooting ...
Page 240: ...Figure 10 1 Top View Major Assemblies 10 4 Replaceable Parts ...
Page 292: ...Table A 2 Manual Changes by Firmware Version Version Make Manual Changes A 2 Manual Changes ...
Page 308: ......
Page 311: ...Figure B 1 Power Cable Supplied Power Requirement B 3 ...
Page 312: ......
Page 342: ......