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Manual
Antenna Coupler
®
R&S
CMU-Z10
1150.0801.10
RF Shielding Cover for R&S
®
R&S
CMU-Z11
1150.1008.02
Bluetooth
®
R&S
CMU-Z12
1150.1043.02
USB Feed Through
®
R&S
CMU-Z13
1159.1200.20
Extra N Connector for R&S
®
R&S
CMU-Z14
1200.1205.02
Printed in Germany
1158.9537.12-09
®
Antenna
Test and Measurement
1
®
CMU-Z10
®
CMU-Z10
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Summary of Contents for Rohde & Schwarz CMU-Z10
- Page 1 Manual Antenna Coupler ® R&S CMU-Z10 1150.0801.10 ® RF Shielding Cover for R&S CMU-Z10 ® R&S CMU-Z11 1150.1008.02 ® Bluetooth Antenna ® R&S CMU-Z12 1150.1043.02 USB Feed Through ® R&S CMU-Z13 1159.1200.20 ® Extra N Connector for R&S CMU-Z10 ®...
- Page 2 The Bluetooth word mark and logos are owned by Bluetooth SIG, Inc. and any use of such marks by Rohde & Schwarz is under license.
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Page 3: Table Of Contents
® R&S CMU-Z10/…/-Z14 Contents Contents Safety Instructions ..........................5 ® Short Description of R&S CMU-Z10/-Z11/-Z12/-Z13................7 Rear Connectors .........................8 Two-Cell Test Scenarios ......................9 Coupling Factors ..........................10 Input Coupling Factor (–> Ext. Att. Input) ..................11 Output Coupling Factor (–> Ext. Att. Output) ................11 Determining the Coupling Factors.....................12... -
Page 5: Safety Instructions
RF shielding cover R&S CMU-Z11 in place and latched when using the ® ® antenna coupler R&S CMU-Z10 or the Bluetooth® antenna R&S CMU-Z12. It is ® the user's responsibility to ensure that the coupler R&S CMU-Z10 and the antenna ®... -
Page 7: Short Description Of R&S
® Short Description of R&S CMU-Z10/…/-Z14 ® The R&S CMU-Z10/-Z11/-Z12/-Z13/Z14 test equipment is a complete solution for simple coupling and interference-free testing of mobile phones (MS) in the complete frequency range between 770 MHz and 2.2 GHz. ® • R&S CMU-Z10 is the basic broadband antenna coupler. -
Page 8: Rear Connectors
® On its rear side the antenna coupler R&S CMU-Z10 is equipped with two N connectors for input and output of RF test signals, a sub-D connector for input and output of DC, AF or data signals, and an ®... -
Page 9: Two-Cell Test Scenarios
Two-Cell Test Scenarios on p. 9. ® R&S CMU-Z10 is supplied with one RF cable with 2 N male connectors for Connection to test ® connection to a test instrument (e.g. R&S CMU 200) via RF IN/OUT, RF instrument and DUT ®... -
Page 10: Coupling Factors
® Short Description R&S CMU-Z10/…/-Z14 SMU200 Vector Signal Generator baseband User Equipment CMU200 Radio Communication Tester Fig. 3 Test setup for receiver transmit diversity Coupling Factors The RF signal from the MS under test is attenuated on its way from the antenna coupler to the test instrument. -
Page 11: Input Coupling Factor (-> Ext. Att. Input)
® R&S CMU-Z10/…/-Z14 Coupling Factors Note: The coupling factors depend on the position of the MS antenna relative to the active coupling zone of the antenna coupler and therefore on the mobile type (for more information see data sheet). Compiling a complete list of coupling factors for all mobile types is not practicable, however, it is sufficient to determine the coupling factors once for all mobiles of the same type. -
Page 12: Determining The Coupling Factors
WCDMA UE. a) Preparatives (GSM or WCDMA) ® 1. Connect the bidirectional RF connector RF IN/OUT of your antenna coupler R&S CMU-Z10 to the ® bidirectional RF connector RF 2 of the R&S CMU 200, preferably using the high-quality RF cable ®... - Page 13 ® R&S CMU-Z10/…/-Z14 Coupling Factors 4. To determine the input coupling factor of your proven mobile phone, subtract the measured Avg. Burst Power (Current) from the Reported Power of the MS. In the example of Fig. 4 above, the input coupling factor equals to (13.0 –...
- Page 14 ® Coupling Factors R&S CMU-Z10/…/-Z14 Fig. 6 WCDMA Signalling: UE Report menu 3. To determine the output coupling factor of your proven mobile phone, subtract the reported CPICH RSCP of the current cell from the P-CPICH output level of the CMU (BS Signal Lvl. – Level – P- CPICH).
- Page 15 ® R&S CMU-Z10/…/-Z14 Coupling Factors example of Fig. 7 above, assuming a power class 3 UE, the input coupling factor equals to approx. (24 – 21) dB = 3 dB. 6. Press the Connect. Control softkey and the AF/RF hotkey to report the coupling factors to the ®...
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Page 16: Installation Instructions
2. Insert the axe of the threaded bushes at the tinny end of the shock absorber into the hole of the ® R&S CMU-Z10 and fix it with a small Phillips screw (M2.5x10) plus a small and a larger disc. ® 3. Turn the R&S CMU-Z10 to its side so that the mounted shock absorber points upwards. - Page 17 ® use the shielding cover R&S CMU-Z11 without the shock absorber properly fixed on both sides. Defective shock absorbers must be replaced. Shielding cover for R&S CMU-Z10 Transport lock for R&S CMU-Z11 Slot for closing the cover during operation, on both sides...
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Page 18: Replacing The Positioning Plate
CMU-Z10/…/-Z14 Replacing the Positioning Plate ® The antenna coupler R&S CMU-Z10 is delivered with two plastic positioning plates, one with two stabilizing pieces and an L-shaped bracket (see Fig. 1 on p. 7), the other with the Universal Mobile Phone Holder mounted. The two plates can be easily exchanged after unscrewing the seven Phillips screws from the top. -
Page 19: Mounting The Bluetooth® Antenna
® Compliance of the antenna coupler R&S CMU-Z10 with the rated specifications can be checked by connecting the coupler to a network analyzer using the RF cable supplied with the coupler. The VSWR values are listed in the data sheet. The reflection loss is > 4 dB in the frequency range between 0.77 GHz and 0.87 GHz, >... -
Page 20: Maintenance
R&S CMU-Z10/…/-Z14 Maintenance ® The electrical components of the antenna coupler R&S CMU-Z10 and the Bluetooth® antenna do not require any particular maintenance. The mechanical expendable parts are shown in Fig. 11 below. Since 2008-04: Hinge set (1206.9772.00) Protective cover (1206.9795.00)
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