Agilent Technologies E1401-90493 Manual do Utilizador Página 368

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368 Chapter 2
Performance Verification Tests
47. Tracking Generator Non-Harmonic Spurious Outputs: Agilent E4401B and E4411B (Option
1DN or 1DQ)
analyzer to the next highest signal by pressing NEXT PEAK. Repeat
step 4 above.
Perform step 7 only if the marker signal is a true response and not a
fundamental or harmonic of the fundamental. Otherwise, continue
with step 8.
7. Calculate the difference between the amplitude of marked signal
and the fundamental amplitude as listed in Table 2-101.
For example, if the fundamental amplitude for a fundamental
frequency of 10 MHz is 1.2 dBm and the marker amplitude is
40.8 dBm, the difference is 42 dBc.
Record this difference as the non-harmonic response amplitude for
the appropriate analyzer center frequency and microwave analyzer
start and stop frequency settings in Table 2-102.
8. If a true non-harmonic spurious response is not found, record
“NOISE” as the Amplitude of Non-Harmonic Response in Table
2-102 for the appropriate analyzer center frequency and microwave
analyzer start and stop frequency settings.
9. Repeat step 1 through step 8 for the remaining analyzer center
frequency and microwave analyzer settings in Table 2-102.
Non-harmonic Amplitude Marker Amplitude Fundamental Amplitude=
Table 2-102 1.5 GHz Tracking Generator Non-Harmonic Spurious Response
Worksheet
Analyzer
Center
Frequency
Microwave
Analyzer Start
Frequency
Microwave
Analyzer Stop
Frequency
Microwave
Analyzer
Resolution
Bandwidth
Amplitude of
Non-Harmonic
Response
(dBc)
10 MHz
9 kHz
a
100 kHz
a
300 Hz
a
10 MHz
100 kHz
b
5 MHz 10 kHz
10 MHz 5 MHz 55 MHz 100 kHz
10 MHz 55 MHz 1240 MHz 1 MHz
10 MHz 1240 MHz 1500 MHz 1 MHz
750 MHz
9 kHz
a
100 kHz
a
300 Hz
a
750 MHz
100 kHz
b
5 MHz 10 kHz
750 MHz 5 MHz 55 MHz 100 kHz
750 MHz 55 MHz 1240 MHz 1 MHz
750 MHz 1240 MHz 1500 MHz 1 MHz
1.5 GHz
9 kHz
a
100 kHz
a
300 Hz
a
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