Rohde & Schwarz CMU-K20, Руководство по эксплуатации

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Non Signalling: Spectrum Measurements CMU-K20/K21/K22/K23/K24
1115.6088.12 4.64 E-11
Fig. 4-29 Spectrum Configuration – Limit Lines
Default Settings
The Default All Settings switch assigns default values to all settings in the Limits tab
(the default values are quoted in the command description in chapter 6 of this
manual). In addition, default switches for the individual spectrum types are
provided.
Remote control
CONFigure:SPECtrum:MODulation[:GMSK]:LIMit:LINE:DEFault
ON|OFF
etc.
Ref. Power
The Ref. Power line defines the MS carrier output power domain where the limit
lines are to be determined by linear interpolation (see Table 4-1 ). Below Min. P. ,
the lower limit line applies, above Max. P. , the upper limit line applies. The Ref.
Power domain can be modified.
Remote control
CONFigure:SPECtrum:MODulation[:GMSK]:LIMit:LINE
:REFPower[:UPPer]
<Min_Power>,<Max_Power>
Limit Values The Limit Values table section defines upper limits for the power at eleven fixed,
GSM-specific frequency offsets:
Lvl. rel. Upper limit for the RF power referred to the MS output power
measured in 30 kHz on the carrier. The two values are valid for
output powers below the
Ref. Power domain (Min. P.) and for
output powers above the Ref. Power domain (Max. P.). Inside
the Ref. Power domain, Lvl. rel. is determined by linear
interpolation.
Level abs. Alternative absolute power limits (see Table 4-2 ), applied if the
relative limits Lvl. rel. are tighter.
Enable Switches the limit check at the frequency on and off.
Remote control
CONFigure:SPECtrum:MODulation[:GMSK]:LIMit:LINE
[:ASYMmetrical]:UPPer<nr>
<RelLow>,<RelUpp>,<Abs>,<Enable>
CONFigure:SPECtrum:MODulation[:GMSK]:LIMit:LINE:MODE[:UPPer]
ON|OFF
etc.
深圳德标仪器
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