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Bandwidths, Level – Atec Rohde-Schwarz-FSH-Z1 User Manual

Page 4

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Version 08.00, June 2011

4

Rohde & Schwarz R&S

®

FSH4/FSH8 Spectrum Analyzer

Bandwidths

Resolution bandwidths
Range

–3 dB bandwidth

1 Hz to 3 MHz in 1/3 sequence

1 Hz ≤ RBW ≤ 300 kHz

nominal < 5 %

Bandwidth accuracy

RBW > 300 kHz

nominal < 10 %

Selectivity 60 dB:3 dB

nominal < 5 (Gaussian type filters)

Video filters

Range

–3 dB bandwidth

1 Hz to 3 MHz in 1/3 sequence

Level

Display range

displayed noise floor to +30 dBm

Maximum rated input level with RF attenuation ≥ 10 dB

model .04/.08/.14/.18

80 V

DC voltage

model .24/.28

50 V

CW RF power

30 dBm (= 1 W)

Peak RF power

duration < 3 s

33 dBm (= 2 W)

Max. pulse voltage

150 V

Max. pulse energy

pulse width 10 µs

10 mWs

Maximum rated input level with RF attenuation < 10 dB
DC voltage

50 V

CW RF power

20 dBm (= 100 mW)

Peak RF power

duration < 3 s

23 dBm (= 200 mW)

Max. pulse voltage

50 V

Max. pulse energy

pulse width 10 µs

1 mWs

Intermodulation

intermodulation-free dynamic range, signal level 2 × –20 dBm, RF attenuation = 0 dB,
RF preamplifier = OFF

f

in

< 300 MHz

> 54 dBc (TOI > +7 dBm, typ. +11 dBm)

300 MHz ≤ f

in

< 3.6 GHz

> 60 dBc (TOI > +10 dBm, typ. +15 dBm)

3.6 GHz ≤ f

in

≤ 8 GHz

> 46 dBc (TOI > +3 dBm, typ. +10 dBm)

intermodulation-free dynamic range, signal level 2 × –40 dBm, RF attenuation = 0 dB,
RF preamplifier = ON

f

in

< 300 MHz

> 50 dBc (TOI > –15 dBm)

Third-order intercept (TOI),
nominal values

300 MHz ≤ f

in

≤ 8 GHz

> 56 dBc (TOI > –12 dBm)

RF attenuation = 0 dB, RF preamplifier = OFF

f

in

= 20 MHz to 1.5 GHz

+40 dBm

f

in

= 1.5 GHz to 3 GHz

+30 dBm

f

in

= 3 GHz to 4 GHz

+20 dBm

RF attenuation 0 dB, RF preamplifier = ON

Second harmonic intercept (SHI),
nominal values

f

in

= 100 MHz to 4 GHz

0 dBm

Displayed average noise level

0 dB RF attenuation, termination 50 Ω, RBW = 100 Hz, VBW = 10 Hz,
sample detector, log scaling, tracking generator OFF, normalized to 1 Hz
frequency

preamplifier = OFF

9 kHz to 100 kHz
(models .04/.14/.08/.18 only)

< –108 dBm, typ. –118 dBm

100 kHz to 1 MHz

< –115 dBm, typ. –125 dBm

1 MHz to 10 MHz

< –136 dBm, typ. –144 dBm

10 MHz to 2 GHz

< –141 dBm, typ. –146 dBm

2 GHz to 3.6 GHz

< –138 dBm, typ. –143 dBm

3.6 GHz to 5 GHz

< –142 dBm, typ. –146 dBm

5 GHz to 6.5 GHz

< –140 dBm, typ. –144 dBm

6.5 GHz to 8 GHz

< –136 dBm, typ. –141 dBm

frequency

preamplifier = ON

100 kHz to 1 MHz

< –133 dBm, typ. –143 dBm

1 MHz to 10 MHz

< –157 dBm, typ. –161 dBm

10 MHz to 1 GHz

< –161 dBm, typ. –165 dBm

1 GHz to 2 GHz

< –159 dBm, typ. –163 dBm

2 GHz to 5 GHz

< –155 dBm, typ. –159 dBm

5 GHz to 6.5 GHz

< –151 dBm, typ. –155 dBm

6.5 GHz to 8 GHz

< –147 dBm, typ. –150 dBm