HP 8590 E-Series, Руководство по калибровке

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58. Tracking Generator F eedthrough, HP 8591EM Option 010
12.
Press 4 AUX/USER 5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Track Gen ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SRC PWR ON OFF (ON), and enter 107 4 dB V 5 .
13. Press 4 SGL SWP 5 , then wait for completion of a new sweep . Press 4 DISPLA Y 5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DSP LINE ON OFF (ON).
14. A djust the display line so that it is centered on the average trace noise ,
ignoring any residual responses . Record the display line amplitude setting in
T able 2-76 as the noise level at 1 MHz.
15. Repeat steps 13 and 14 for the remaining Tracking Generator Output
Frequencies (EMC analyzer center frequency) listed in T able 2-76 .
16. In T able 2-76, locate the most positive Noise Level Amplitude . Record this
amplitude as TR Entry 1 of the performance verication test record.
T able 2-76. TG F eedthrough W orksheet
Tracking Generator
Output Frequency
Noise Level
Amplitude
(dBV)
1 MHz
20 MHz
50 MHz
100 MHz
250 MHz
400 MHz
550 MHz
700 MHz
Tracking Generator
Output Frequency
Noise Level
Amplitude
(dBV)
850 MHz
1000 MHz
1150 MHz
1300 MHz
1450 MHz
1600 MHz
1750 MHz
2-370 P erformance V erication T ests