Calculations – Atec Agilent-81618A User Manual
Page 52
Performance Tests
Performance Tests
52
Agilent 81618A/9A and Agilent 81622B/3B/4B/6B/7B/8B User’s Guide, Second Edition
Calculations
N O T E
: The Nonlinearity is calculated recursively using n=10 as reference point.
The formula is:
where NL
n+1
or NL
n-1
is the previously calculated non-linearity value.
For n=1, 4, 7 the values are NL
n+2
, while they are NL
n-2
for n=13, 16,
19.
Conversion [dBm]
→
[mW]
Calculation as given
Calculation as given
n
Ref / R
DUT / D
Relation1 / A
Relation2 / B
Non-Linearity
[mW]
[mW]
= A
n
*B
n
(NL
n±1
+1) - 1
[%]
1
1,90919E-05
8,76455761
0,2199125
= R
n+
1
/R
n
4,5505092
= D
n
/D
n+
1
0,1
2
4,19856E-06
1,926060834
3
1,87845E-05
1,928590397
1,0003454
0,9995626
0,03
4
1,8791E-05
1,929434323
0,1006955
9,9275024
0,04
5
1,89217E-06
0,194352441
6
1,8896E-05
0,194455396
1,0003685
0,9995166
0,08
7
1,8903E-05
0,194549447
0,1000046
10,002994
0,09
8
1,89038E-06
0,019449122
9
1,88751E-05
0,019471526
1,000668
0,9998619
0,05
10
1,88877E-05
0,019474217
Reference Level
0,00
11
1,89322E-06
0,00195245
9,9765412
= R
n-
1
/R
n
0,1002582
= D
n
/D
n-
1
0,02
12
1,8916E-05
0,00195596
13
1,89156E-05
0,001955555
1,000023
0,9997928
0,01
14
1,89078E-06
0,000195479
10,004146
0,0999609
0,01
15
1,89714E-05
0,000188235
16
1,89692E-05
0,0001882
1,0001151
0,99981581
0,00
17
1,93495E-06
1,92044E-05
9,803474
0,1013767
0,03
18
1,93593E-05
1,92132E-05
19
1,93997E-05
1,92026E-05
1,001013651
0,9994475
0,08
20
1,93464E-06
1,92176E-06
9,996546719
0,1000783
0,13
(
)
(
)
о
н
м
−
+
⋅
−
+
⋅
=
−
+
10
1
1
10
1
1
1
1
f
p
n
for
NL
B
A
n
for
NL
B
A
NL
n
n
n
n
n
n
n