Atec Rohde-Schwarz-ESCI Series - Manual (Page 7)

Version 03.00, June 2009
Rohde & Schwarz R&S ® ESCI/ESCI7 EMI Test Receiver 7
logarithmic level display –130 dBm to 30 dBm in steps of 0.1 dB Setting range of reference level
linear level display 70.71 nV to 7.07 V in steps of 1 %
logarithmic level display dBm, dBmV, dBμV, dBμA, dBpW Units of level axis
linear level display mV, μV, mA, μA, nW, pW
Max. uncertainty of level measurement
level = –30 dBm, RF attenuation 10 dB, RBW 10 kHz, reference level –25 dBm
without preselection/preamplifier <0.2 dB (σ = 0.07 dB)
Reference level uncertainty at 128 MHz
with preselection/preamplifier <0.3 dB (σ = 0.1 dB)
without preselection/preamplifier, AC-coupled
R&S ® ESCI
9 kHz to 50 kHz < +0.5 dB/–1 dB, nominal
50 kHz to 3 GHz < 0.5 dB (σ = 0.17 dB)
R&S ® ESCI7
1 MHz to 3 GHz < 0.5 dB (σ = 0.17 dB)
3 GHz to 7 GHz < 2 dB (σ = 0.7 dB)
without preselection/preamplifier, DC-coupled
R&S ® ESCI
9 kHz to 3 GHz < 0.5 dB (σ = 0.17 dB)
R&S ® ESCI7
9 kHz to 3 GHz < 0.5 dB (σ = 0.17 dB)
3 GHz to 7 GHz < 2 dB (σ = 0.7 dB)
with preselection/preamplifier, AC-coupled
R&S ® ESCI
9 kHz to 50 kHz < +0.8 dB/–1.3 dB, nominal
50 kHz to 3 GHz < 0.8 dB (σ = 0.27 dB)
R&S ® ESCI7
1 MHz to 3 GHz < 0.8 dB (σ = 0.27 dB)
3 GHz to 7 GHz < 2 dB (σ = 0.7 dB)
with preselection/preamplifier, DC-coupled
R&S ® ESCI
9 kHz to 3 GHz < 0.8 dB (σ = 0.27 dB)
R&S ® ESCI7
9 kHz to 3 GHz < 0.8 dB (σ = 0.27 dB)
Frequency response referenced to
128 MHz
3 GHz to 7 GHz < 2 dB (σ = 0.7 dB)
Uncertainty of attenuator setting f = 128 MHz,
0 dB to 70 dB, referenced to 10 dB
RF attenuation < 0.2 dB (σ = 0.07 dB)
Uncertainty of reference level setting < 0.2 dB (σ = 0.07 dB)
S/N > 16 dB
RBW ≤ 120 kHz
0 dB to –70 dB < 0.2 dB (σ = 0.07 dB)
–70 dB to –90 dB < 0.5 dB (σ = 0.17 dB)
RBW > 120 kHz
0 dB to –50 dB < 0.2 dB (σ = 0.07 dB)
Log/lin display nonlinearity
–50 dB to –70 dB < 0.5 dB (σ = 0.17 dB)
referenced to RBW = 10 kHz
10 kHz to 120 kHz < 0.1 dB (σ = 0.03 dB)
300 kHz to 10 MHz < 0.2 dB (σ = 0.07 dB)
Bandwidth switching uncertainty
FFT filter, 1 Hz to 3 kHz < 0.2 dB (σ = 0.07 dB)
Total measurement uncertainty
(95 % confidence level) Signal level 0 dB to –70 dB below reference level, S/N > 20 dB, RBW ≤ 120 kHz,
DC-coupled
without preselection/preamplifier
< 3 GHz 0.5 dB
3 GHz to 7 GHz 1.5 dB
with preselection/preamplifier
< 3 GHz 1 dB
3 GHz to 7 GHz 1.5 dB
Quasi-peak indication in line with CISPR 16-1-1