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User Manual
Airbridge cBTS3612 CDMA Base Station
station simulator. When R -TCH FER maintains <1.5%, the output power of mobile
station simulator changes less than 3dB whether there is single-tone interference or
not.
1900MHz band:
Input the single-tone interference deviated from the center frequency at the BTS RF
input port: when the single-tone interference deviates from the center frequency
+1.25MHz and -1.25MHz, the input single-tone interference power is 80dB higher
than the output power of the mobile station simulator. When R-TCH FER maintains
<1.5%, the output power of mobile station simulator changes less than 3dB whether
there is single-tone interference or not.
IV. Intermodulation spurious response attenuation
450MHz band and 800MHz band:
Input two single-tone interference of center frequency at the BTS RF input port: both
deviate from the center frequency +900kHz and +1700kHz respectively, and
-900kHz and -1700kHz respectively, the input single-tone interference power is
72dB higher than the output power of the mobile station simulator. When R-TCH
FER keeps < 1.5%, the output power of the mobile station simulator changes less
than 3dB whether there are two single-tone interference or no int erference.
1900MHz band:
Input two single-tone interference of center frequency at the BTS RF input port: both
deviate from the center frequency +1.25MHz and +2.05MHz respectively, and
-1.25MHz and -2.05MHz respectively. When R-TCH FER keeps <1.5%, the output
power of the mobile station simulator changes less than 3dB whether there are two
single-tone interference or no interference.
V. Adjacent channel selectivity
The output power of the mobile station simulator shall increase by no more than 3 dB
and the FER shall be less than 1.5% with 95% confidence.
A.1.5 Limitations on Emissions
I. Conducted spurious emissions
At BTS RF input port, the conducted spurious emissions within the BTS
l
receiving frequency range is <-80dBm/30kHz.
At BTS RF input port, the c onducted spurious emissions within the transmitting
l
frequency range is <-60dBm/30kHz.
Appendix A Technical Performance of Receiver
A-10
System Description
and Transmitter
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