Rohde & Schwarz CMU-K20, Operating Manual

Page: 149 / 646

CMU-K20/K21/K22/K23/K24 Non Signalling: Connection Control
1115.6088.12 4.71 E-11
Frequency
/ [MHz]
Channel GSM1800
Band
Frequency
/ [MHz]
Channel GSM1900
Band
0.2
↓
1710
---
↓
---
–
0.2
↓
1850
---
↓
---
–
1710.2
↓
1784.8
512
↓
885
GSM 1800 band
1850.2
↓
1909.8
512
↓
810
GSM 1900 band
1785
↓
2700
---
↓
!
---
–
1910
↓
2700
---
↓
---
–
Frequency
/ [MHz]
Channel GSM850
Band
0.2
↓
824.0
---
↓
---
–
824.2
↓
848.8
128
↓
251
GSM 850 band
849.0
↓
2700
---
↓
---
–
According to the channel width of the three GSM bands, the RF frequency can be
set in multiples of 200 kHz. It can be modified by an additional
frequency offset
entered in the input field below.
Remote control
[SENSe:]RFANalyzer:CHANnel <Number>
Frequency
Offset
The Frequency Offset softkey defines an offset for the frequency set under RF
Channel. This enables fine tuning of the frequency measured by the CMU, e.g. in
order to simulate a Doppler shift (caused by a relative movement between mobile
and base station) or detuning of the mobile.
Remote control
[SENSe:]RFANalyzer:FREQuency:OFFSet <Number>
Training
Sequence
The Training Sequence softkey defines a training sequence for the measured
signal.
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