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Atec Rohde-Schwarz_FSL Series User Manual

Page 8

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R&S

®

FSL Spectrum Analyzer

Version 09.00, December 2008

8

Displayed average noise level R&S

®

FSL18

0 dB RF attenuation, termination 50

Ω, RBW = 1 kHz, VBW = 1 Hz,

sample detector, log scaling, tracking generator OFF, normalized to 1 Hz
frequency

preamplifier = OFF

9 kHz to 1 MHz

<–100 dBm (1 Hz)

1 MHz to 10 MHz

<–115 dBm (1 Hz)

10 MHz to 50 MHz

<–130 dBm (1 Hz)

50 MHz to 3 GHz

<–140 dBm (1 Hz)

3 GHz to 12 GHz

<–136 dBm (1 Hz)

12 GHz to 18 GHz

<–130 dBm (1 Hz)

18 GHz to 20 GHz

<–123 dBm (1 Hz)

frequency

preamplifier = ON

9 kHz to 1 MHz

<–115 dBm (1 Hz)

1 MHz to 10 MHz

<–130 dBm (1 Hz)

10 MHz to 50 MHz

<–145 dBm (1 Hz)

50 MHz to 3 GHz

<–152 dBm (1 Hz)

3 GHz to 5 GHz

<–149 dBm (1 Hz)

5 GHz to 6 GHz

<–145 dBm (1 Hz)

frequency

preamplifier = ON, typical values

500 MHz

–162 dBm (1 Hz)

1 GHz

–161 dBm (1 Hz)

3 GHz

–158 dBm (1 Hz)

6 GHz

–152 dBm (1 Hz)

Immunity to interference

f

in

– 2 × 48.375 MHz

<–80 dBc, typ. –90 dBc

f

in

– 2 × 838.375 MHz

<–60 dBc, typ. –80 dBc

Image frequency

f

in

– 2 × 7158.375 MHz

typ. –60 dBc

Intermediate frequency

48.375 MHz, 838.375 MHz,
7158.375 MHz

<–60 dBc, typ. –80 dBc

Spurious response, inherent

f > 30 MHz, without input signal,
RF attenuation = 0 dB, RBW

≤ 10 kHz

<–90 dBm

related to local oscillators
f

≤ 6 GHz

∆f < 100 kHz

typ. –60 dBc

∆f ≥ 100 kHz

<–60 dBc

f > 6 GHz

∆f < 100 kHz

typ. –48 dBc

∆f ≥ 100 kHz

<–48 dBc

Spurious response

f = receive frequency

Spurious response

related to A/D conversion

typ. <–70 dBc

Spurious response

related to subharmonic of first LO
(spur at 7158.375 MHz – 2 × f

in

)

typ. –60 dBc

Spurious response
at mixer level <–10 dBm

related to harmonic of first LO
(spur at f

in

– 3579.1875 MHz)

typ. –60 dBc

Level display
Logarithmic level axis

10 dB to 100 dB

Linear level axis

0 % to 100 %/10 divisions

Number of traces

4

Trace detectors

max peak, min peak, auto peak, sample,
RMS, quasi peak, average

default value

501

Number of measurement points

range

125 to 32001
in steps of about a factor of 2

Trace functions

clear/write, max hold, average, min hold,
view

logarithmic level display

–80 dBm to 20 dBm
in steps of 2 dB, 5 dB or 10 dB

Setting range of reference level

linear level display

–80 dBm to 20 dBm, 0 % to 100 %

logarithmic level display

dBm, dBmV, dBµV, dBµA, dBpW

Units of level axis

linear level display

µV, mV, V, µA, mA, A, pW, nW, µW, mW,
W