User`s guide

Performance Tests Performance Tests
54 Agilent 81618A/9A and Agilent 81623B/4B/6B/8B Optical Heads, Fourth Edition
note the power readings (#18).
5 Switch one range down (-50 dBm, -20 dBm for the 81628B)) and note the
power readings (#19).
6 Increase the attenuation of Atty1 by 10 dB and note the results in the test
record (#20).
Calculation
12 Calculate the non-linearity using the formulas given in the test record.
Example: Measurement Results
Information only Your Entries
n
Atty1 / #221
[dB]
Atty2 / #100
[dB]
DUT Range
[dBm]
REF
Power [dBm]
DUT Power
[dBm]
Notes
1 0 42 10 -47,1915 9,4273 1. Value
2 6,6 42 10 -53,769 2,8467 InRange
3 6,6 35,5 10 -47,262 2,8524 RangeDisc / lower limit
4 6,6 35,5 0 -47,2605 2,8543 RangeDisc / upper limit
5 16,6 35,5 0 -57,2304 -7,1141 InRange
6 16,6 25,5 0 -47,2363 -7,1118 RangeDisc / lower limit
7 16,6 25,5 -10 -47,2347 -7,1097 RangeDisc / upper limit
8 26,6 25,5 -10 -57,2345 -17,111 InRange
9 26,6 15,5 -10 -47,2411 ,17,106 RangeDisc / lower limit
10 26,6 15,5 -20 -47,2382 -17,1054 RangeDisc / upper limit
11 36,6 15,5 -20 -57,228 -27,0942 InRange
12 36,6 5,5 -20 -47,2317 -27,0864 RangeDisc / lower limit
13 36,6 5,5 -30 -47,2318 -27,0873 RangeDisc / upper limit
14 46,6 5,5 -30 -57,2336 -37,089 InRange
15 35,5 17,6 -30 -47,219 -37,253 RangeDisc / lower limit
16 35,5 17,6 -40 -47,2195 -37,22538 RangeDisc / upper limit
17 45,5 17,6 -40 -57,1333 -47,166 InRange
18 45,5 7,6 -40 -47,1411 -47,164 RangeDisc / lower limit
19 41,2 11,3 -50 -47,1355 -47,1664 RangeDisc / upper limit
20 51,2 11,3 -50 -57,134 -57,163 InRange