Anritsu Company Site Master S312D, Maintenance Manual, Page: 55 / 62

Test Records
S312D MM PN: 10580-00195 Revision B A-7
Spectrum Analyzer Level Accuracy Verification (continued)
Calculations for power loss:
C = A – B
E = A – D
S312D Firmware Revision: ________________ Operator: ________________ Date: ______________
Serial Number: ________________ Options: ___________________________________________________
Table A-11. Spectrum Analyzer Level Accuracy with Power
Input Power Level Reference Level Specification Measured Marker M1 Reading
+3 dBm +10 dBm ±1.5 dB dBm
0 dBm +10 dBm ±1.5 dB dBm
–11 dBm –10 dBm ±1.5 dB dBm
–13 dBm –10 dBm ±1.5 dB dBm
–19 dBm –10 dBm ±1.5 dB dBm
–27 dBm –20 dBm ±1.5 dB dBm
–32 dBm –30 dBm ±1.5 dB dBm
–39 dBm –30 dBm ±1.5 dB dBm
–49 dBm –40 dBm ±1.5 dB dBm
–51 dBm –40 dBm ±1.5 dB dBm
–53 dBm –50 dBm ±1.5 dB dBm
–60 dBm –50 dBm ±1.5 dB dBm
Table A-12. Spectrum Analyzer Level Accuracy with Power — Output Power Levels
A B C D E
Freq
(MHz)
Sensor A
Reading at
Source Output
Sensor A
Reading at
Attenuator End
Splitter/Attenuator
Combined
Loss
Sensor B
Reading at
Power Splitter
Sensor B Path
Power Splitter
Loss
50 dBm dBm dBm dBm dBm