Agilent Technologies E8267D PSG Instrukcja Użytkownika Pobierz pdf (Strona 13)

1. I/Q modulator attenuator set to auto. External I/Q input level √(I

+ Q

) = 0.5 V

rms

L(f) (dBc/Hz) vs. f (Hz)

Standard absolute SSB phase noise (measured)

-20

-30

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-170

10 100 1 k 10 k 100 k 1 M 10 M 100 M

44 GHz

31.8 GHz

20 GHz

10 GHz

1 GHz

Standard absolute SSB phase noise

with IQ modulation on (measured)

L(f) (dBc/Hz) vs. f (Hz)

-20

-30

-40

-50

-60

-70

-80

-90

-100

-110

-120

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-140

-150

-160

-170

10 100 1 k 10 k 100 k 1 M 10 M 100 M

44 GHz

31.8 GHz

20 GHz

10 GHz

1 GHz

L(f) (dBc/Hz) vs. f (Hz)

44 GHz

31.8 GHz

20 GHz

10 GHz

1 GHz

Option UNX absolute SSB phase noise (measured)

-20

-30

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1 10 100 1 k 10 k 100 k 1 M 10 M 100 M

L(f) (dBc/Hz) vs. f (Hz)

44 GHz

31.8 GHz

20 GHz

10 GHz

1 GHz

-20

-30

-40

-50

-60

-70

-80

-90

-100

-110

-120

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-170

1 10 100 1 k 10 k 100 k 1 M 10 M 100 M

Option UNX absolute SSB phase noise with

I/Q modulation on (measured)

Option UNY absolute SSB phase noise with

I/Q modulation on (measured)

L(f) (dBc/Hz) vs. f (Hz)

-20

-30

-40

-50

-60

-70

-80

-90

-100

-110

-120

-130

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-150

-160

-170

1 10 100 1 k 10 k 100 k 1 M 10 M 100 M

44 GHz

31.8 GHz

20 GHz

10 GHz

1 GHz

L(f) (dBc/Hz) vs. f (Hz)

Option UNY absolute SSB phase noise (measured)

-20

-30

-40

-50

-60

-70

-80

-90

-100

-110

-120

-130

-140

-150

-160

-170

1 10 100 1 k 10 k 100 k 1 M 10 M 100 M

44 GHz

31.8 GHz

20 GHz

10 GHz

1 GHz

Measured phase noise (data collected with the E5500 and plotted without spurs)

Option UNY phase noise optimized for offsets less than 150 kHz (mode 1)

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 33 34

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Agilent Technologies E8267D PSG Instrukcja Użytkownika Strona 13

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