Agilent Technologies 4395A - Page 128

14.
AMPLITUDE FIDELITY
Step
Attenuator
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
60
dB
a6
=
dB
70 dB
a7 =
dB
80
dB
a8
=
dB
1
:
Incremen
tal
attenuation
referenced
to
0
dB
setting.
Amplitude
Fidelity
Input
R
dB
from
Reference
Input
Lev
el
4395A
Reading
[b]
T
est
Result
0
10
dB
dB
b+a2-a1
=
0
20
dB
dB
b+a3-a1
=
0
30
dB
dB
b+a4-a1
=
0 40
dB
dB b+a5-a1
=
0
50
dB
dB
b+a6-a1
=
0
60 dB
dB
b+a7-a1 =
0 70
dB
dB b+a8-a1
=
Input
A
dB from
Reference Input Lev
el
4395A Reading
[b]
Test Result
0 10 dB dB b+a2-a1 =
0 20 dB dB b+a3-a1 =
0 30 dB dB b+a4-a1 =
0 40 dB dB b+a5-a1 =
0 50 dB dB b+a6-a1 =
0 60 dB dB b+a7-a1 =
0 70 dB dB b+a8-a1 =
3-14 Calculation Sheet