Atec Rohde-Schwarz-SMIQ Series - Manual (Page 26)

26 Vector Signal Generator R&S SMIQ – Specifications
Options for special applications
Fading simulation with options R&S SMIQB14, R&S SMIQB15 13 )
RF bandwidth ( −3 dB) >14 MHz
Additional frequency response
up to 5 MHz offset from carrier
Carrier leakage
Setting time after RF frequency change
<0.6 dB, <0.4 dB typ.
−45 dBc typ.
<3 ms
Modes external via I and Q modulation inputs,
internal with option R&S SMIQB20
Number of paths and channels
with option R&S SMIQB14
with options R&S SMIQB14 and -B15 6 paths, 1 channel
12 paths, 1 channel, or 6 + 6 paths, 2 channels with second
R&S SMIQ through simple retrofit (for instructions see manual)
Path attenuation
Range
Resolution
Error (in range 0 dB to 20 dB)
0 dB to 50 dB
0.1 dB
<0.3 dB
Path delay
Range
Resolution
Error
0 µs to 1600 µs
50 ns
<5 ns
Doppler shift
Frequency range
Speed range
0.1 Hz to 1600 Hz
Example with f
RF
=1 GHz: v
min
= 0.1 km/h, v
max
=1724 km/h
Resolution
Error 0.1 km/h, m/s, mph
<0.13%
Rayleigh fading
Pseudo noise interval
Deviation from theoretical CPDF
4 ) for P
avg
= 0 dB
Path attenuation from −20 dB to + 10 dB
Path attenuation from −30 dB to −20 dB
>372 h
<1 dB, <0.3 dB typ.
<2 dB, <0.3 dB typ.
Rice fading
Power ratio
5 )
Range
Resolution
Frequency ratio
Range
Resolution
−30 dB to +30 dB
0.1 dB
−1 to +1
0.05
Lognormal fading, Suzuki fading
Standard deviation
Range
Resolution
Local constant
0 dB to 12 dB
1 dB
l
min
to 200 m
Correlation
Magnitude range
Resolution
Phase range
Resolution
paths 1 to 6 with paths 7 to 12
0% to 100%
5%
0° to 360°
1°
General data; thermal loading specs valid in range 0 °C to 45°C
v
min
0 03x10
9
m
s
2
---- ,
f
RF
------------------------------ = v
max
479x10 9 m
s 2
----
f
RF
-------------------------- =
l
min
12x10 9 m
s
----
f
RF
----------------------- =