Atec Rohde-Schwarz-ESCI Series - Manual (Page 3)

Version 03.00, June 2009
Rohde & Schwarz R&S ® ESCI/ESCI7 EMI Test Receiver 3
Scan (receiver mode)
Scan scan of max. 10 subranges with different,
independent settings
Measurement time per frequency selectable 33 μs to 100 s
Sweep (analyzer mode)
in time domain, span = 0 Hz 1 μs to 16000 s
resolution 125 ns
Sweep time
in frequency domain, span ≥ 10 Hz 2.5 ms to 16000 s
Max. deviation of sweep time 1 %
Resolution bandwidths
Sweep filters
3 dB bandwidths
10 Hz to 3 MHz, in steps of 1/3/10
≤ 100 kHz < 3 % Bandwidth accuracy
300 kHz to 3 MHz < 10 %
≤ 100 kHz < 5 Shape factor 60 dB:3 dB
300 kHz to 3 MHz < 15
6 dB bandwidths 200 Hz, 9 kHz, 120 kHz EMI bandwidths
pulse bandwidth 1 MHz
≤ 120 kHz < 3 % Bandwidth accuracy
1 MHz < 10 %
≤ 120 kHz < 5 Shape factor 60 dB:6 dB
1 MHz < 15
Video bandwidths analyzer mode 1 Hz to 10 MHz, in steps of 1/3/10
FFT filters analyzer mode
3 dB bandwidths 1 Hz to 30 kHz, in steps of 1/3/10
Bandwidth accuracy 5 %, nominal
Shape factor 60 dB:3 dB 2.5, nominal
Channel filters
Bandwidths
100/200/300/500 Hz;
1/1.5/2/2.4/2.7/3/3.4/4/4.5/5/6/8.5/9/10/
12.5/14/15/16/18 (RRC)/20/21/24.3 (RRC)/
25/30/50/100/150/192/200/300/500 kHz
1/1.228/1.28 (RRC)/1.5/2/3/3.84 (RRC)/
4.096 (RRC)/ 5 MHz
(RRC = root raised cosine)
Preselection
Preselection can be switched off in analyzer mode R&S ® ESCI: 11 preselection filters
R&S ® ESCI7: 12 preselection filters
Bandwidths (–6 dB), nominal R&S ® ESCI, R&S ® ESCI7
< 150 kHz 230 kHz, fixed-tuned lowpass filter
150 kHz to 2 MHz 2.6 MHz, fixed-tuned bandpass filter
2 MHz to 8 MHz 2 MHz, tracking bandpass filter
8 MHz to 30 MHz 6 MHz, tracking bandpass filter
30 MHz to 70 MHz 15 MHz, tracking bandpass filter
70 MHz to 150 MHz 30 MHz, tracking bandpass filter
150 MHz to 300 MHz 60 MHz, tracking bandpass filter
300 MHz to 600 MHz 80 MHz, tracking bandpass filter
600 MHz to 1 GHz 100 MHz, tracking bandpass filter
1 GHz to 2 GHz tracking highpass filter
2 GHz to 3 GHz fixed-tuned highpass filter
R&S ® ESCI7
3 GHz to 7 GHz tracking bandpass filter
Preamplifier switchable, between preselection and
1st mixer 20 dB