Agilent Technologies E8257C PSG Manual do Utilizador descarregar pdf (Página 7)

Harmonics

(dBc at +10 dBm or maximum specified output

power, whichever is lower)

< 1 MHz –28 dBc (typical)

1 MHz to 2 GHz –28 dBc

> 2 GHz to 20 GHz –55 dBc

> 20 GHz to 40 GHz –50 dBc (typical)

20 GHz measured harmonics 40 GHz measured harmonics

Sub-harmonics

(dBc at +10 dBm or maximum specified output

power, whichever is lower)

250 kHz to 10 GHz None

> 10 GHz to 20 GHz < –60 dBc

> 20 GHz to 40 GHz < –50 dBc

Non-harmonics (dBc at +10 dBm or maximum specified output

power, whichever is lower, for offsets > 3 KHz

[>300 Hz with Option UNR])

Frequency Spec Typical

250 kHz to 250 MHz –65 –72 for > 10 kHz offsets

> 250 MHz to 1 GHz –80 –88

> 1 to 2 GHz –74 –82

> 2 to 3.2 GHz –68 –76

> 3.2 to 10 GHz –62 –70

> 10 to 20 GHz –56 –64

> 20 to 40 GHz –50 –58

SSB phase noise (CW) Offset from Carrier (dBc/Hz)

Frequency 20 kHz 20 kHz (typical)

250 kHz to 250 MHz –130 –134

> 250 to 500 MHz –134

–138

> 500 MHz to 1 GHz –130 –134

> 1 to 2 GHz –124 –128

> 2 to 3.2 GHz –120 –124

> 3.2 to 10 GHz –110 –113

> 10 to 20 GHz –104 –108

> 20 to 40 GHz –98 –102

Spectral purity

1. Specifications for harmonics beyond maximum instrument frequencies are typical.

2. Specifications for sub-harmonics beyond maximum instrument frequencies are typical.

3. Performance is typical for spurs at frequencies above the maximum operating frequency of the instrument.

Specifications apply for CW mode only. Performance typically is –60 dBc between 200 and 250 MHz.

4. For instruments with serial number prefixes below MY4330 or US4330, the specification is –136 dBc/Hz.

Measure harmonics +10 dBm

Frequency (MHz)

Measure harmonics +10 dBm

Frequency (MHz)

0 2000 4000 6000 8000 10000

-30

-40

-50

-60

-70

-80

Harmonics (dBc)

0 5000 10000 15000 20000

-30

-40

-50

-60

-70

-80

Harmonics (dBc)

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

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