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Atec Rohde-Schwarz-ESRP Series User Manual

Page 11

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Version 01.01, January 2013

Rohde & Schwarz R&S

®

ESRP EMI Test Receiver

11

Level measurement uncertainty
Absolute level uncertainty at 64 MHz

RBW = 10 kHz, CW signal, level = –10 dBm, reference level = –10 dBm,
RF attenuation = 10 dB
+20 °C to +30 °C

preselection = off

9

< 0.2 dB (σ = 0.07 dB)

preselection = on

10

< 0.3 dB (σ = 0.1 dB)

+5 °C to +40 °C

preselection = off

9

< 0.35 dB (σ = 0.12 dB)

preselection = on

10

< 0.45 dB (σ = 0.15 dB)

Frequency response
referenced to 64 MHz

DC coupling, RF attenuation = 10 dB, 20 dB, 30 dB, 40 dB,
preselection = off

9

, with R&S

®

FSV-B22 option: RF preamplifier = off , +20 °C to +30 °C

9 kHz ≤ f < 10 MHz

< 0.5 dB (σ = 0.17 dB)

10 MHz ≤ f < 3.6 GHz

< 0.3 dB (σ = 0.1 dB)

3.6 GHz ≤ f ≤ 7 GHz

< 0.5 dB (σ = 0.17 dB)

DC coupling, RF attenuation = 10 dB, 20 dB, 30 dB, 40 dB,
preselection = on

10

, +20 °C to +30 °C

9 kHz ≤ f < 3.6 GHz

< 0.6 dB (σ = 0.2 dB)

3.6 GHz ≤ f ≤ 7 GHz

< 0.8 dB (σ = 0.27 dB)

any setting for RF attenuation, preselection and preamplifier, +5 °C to +40 °C

9 kHz ≤ f < 3.6 GHz

< 1 dB (σ = 0.33 dB)

3.6 GHz ≤ f ≤ 7 GHz

< 1.5 dB (σ = 0.5 dB)

with R&S

®

ESRP-B29 option, DC coupling, preamplifier = off, +5 °C to +40 °C

10 Hz ≤ f < 9 kHz

< 1 dB (σ = 0.33 dB)

Attenuator switching uncertainty

f = 64 MHz, 0 dB to 70 dB,
referenced to 10 dB attenuation

< 0.2 dB (σ = 0.07 dB)

Uncertainty of reference level setting

0 dB

11

(nom.)

Bandwidth switching uncertainty

referenced to RBW = 10 kHz

sweep filters

< 0.1 dB (σ = 0.04 dB)

FFT filters

< 0.2 dB (σ = 0.07 dB)

Quasi-peak display

pulse repetition frequency ≥ 20 Hz

in line with CISPR 16-1-1

with R&S

®

ESRP-B2 option,

pulse repetition frequency ≥ 10 Hz

in line with CISPR 16-1-1

Nonlinearity of displayed level
Logarithmic level display

S/N > 16 dB

0 dB to –50 dB

< 0.1 dB (σ = 0.04 dB)

–50 dB to –60 dB

< 0.15 dB (σ = 0.05 dB)

–60 dB to –70 dB

< 0.2 dB (σ = 0.07 dB)

Linear level display

S/N > 16 dB, 0 dB to –70 dB

< 5 % of reference level (nom.)


Total measurement uncertainty

CW signal, level = 0 dB to –70 dB below reference level, S/N > 20 dB,
sweep time = auto, sweep type = sweep, RF attenuation = 10 dB, 20 dB, 30 dB, 40 dB,
preselection = off

9

, with R&S

®

FSV-B22 option: RF preamplifier = off, span/RBW < 100,

95 % confidence level, +20 °C to +30 °C

9 kHz ≤ f < 10 MHz

0.4 dB

10 MHz ≤ f < 3.6 GHz

0.31 dB

3.6 GHz ≤ f ≤ 7 GHz

0.4 dB

CW signal, level = 0 dB to –70 dB below reference level, S/N > 20 dB,
sweep time = auto, sweep type = sweep, RF attenuation = 10 dB, 20 dB, 30 dB, 40 dB,
preselection = on

10

, span/RBW < 100, 95 % confidence level, +20 °C to +30 °C

9 kHz ≤ f < 3.6 GHz

0.47 dB

3.6 GHz ≤ f ≤ 7 GHz

0.57 dB

9

With R&S

®

ESRP-B2 option. Preselection = off is only available in analyzer mode. In receiver mode the preselection is permanently on.

10

With R&S

®

ESRP-B2 option. Default setting in receiver mode.

11

The setting of the reference level affects only the graphical representation of the measurement result on the display, not the measurement itself.

Therefore, the reference level setting causes no additional uncertainty in measurement results.