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Sweep time – Atec Rohde-Schwarz-FSW User Manual

Page 5

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Version 05.01, December 2012

Rohde & Schwarz R&S

®

FSW Signal and Spectrum Analyzer

5

-160

-140

-120

-100

-80

-60

-40

1

10

100

1000

10000

100000

1000000 10000000

Offset from carrier

S

S

B

pha

se

nois

e

in

dB

c

(1

H

z)

40 GHz

25 GHz

10 GHz

2 GHz

1 GHz

500 MHz

100 MHz

Center frequency

1 Hz

10 Hz

100 Hz

1 kHz

10 kHz

100 kHz

1 MHz

10 MHz

Typical phase noise at different center frequencies (with the R&S

®

FSW-B4 option for offsets ≤ 10 Hz).

Sweep time

Sweep time range

span = 0 Hz

1 µs to 16000 s

span ≥ 10 Hz

1 µs to 16000 s

1

Sweep time accuracy

span = 0 Hz

±0.1 % (nom.)

span ≥ 10 Hz

±3 % (nom.)

1

The selected sweep time is the net data acquisition time (without the extra time needed for hardware settling or FFT processing).