User Manual
Airbridge cBTS3612 CDMA Base Station
System Description
Appendix A Technical Performance of Receiver
and Transmitter
A-13
III. Code domain power
For RC1and RC2, the code domai n power in each inactive W
n
64
channel shall be 27
dB or more below the total output power.
For RC3 and RC4,the code domain power in each inactive W
n
128
channel shall be 30
dB or more below the total output power. .
For RC1 and RC2, the code domain power in each inactive W
n
256
channel shall be 33
dB or more below the total output power of each carrier.
A.2.4 Limitations on Emissions
I. Conducted spurious emissions
The requirements on Conducted Spurious Emissions vary with frequency bands, as
shown in Table A-25 and Table A-26. Local radio requirements should also be
observed.
Table A-25
Conducted Spurious Emissions Performance (450MHz band and 800MHz band)
Offset from carrier central frequency
Spurious requirement
750 kHz~1.98 MHz
-45 dBc / 30 kHz
1.98 MHz~4.00 MHz
-60 dBc / 30 kHz; Pout
≥
33 dBm
-27 dBm / 30 kHz; 28 dBm
≤
Pout < 33 dBm
-55 dBc / 30 kHz; Pout < 28 dBm
> 4.00 MHz
(ITU Class A Requirement)
-13 dBm / 1 kHz;
-13 dBm / 10 kHz;
-13 dBm/100 kHz;
-13 dBm / 1 MHz;
9 kHz < f < 150 kHz
150 kHz < f < 30 MHz
30 MHz < f < 1 GHz
1 GHz < f < 5 GHz
> 4.00 MHz
(ITU Class B Requirement)
-36 dBm / 1 kHz;
-36 dBm / 10 kHz;
-36 dBm/100 kHz;
-30 dBm / 1 MHz;
9 kHz < f < 150 kHz
150 kHz < f < 30 MHz
30 MHz < f < 1 GHz
1 GHz < f < 12.5 GHz
Table A-26
Conducted Spurious Emissions Performance (1900MHz band)
Offset from carrier central frequency
Spurious requirement
885 kHz~1.25 MHz
-45 dBc / 30 kHz
1.25 MHz~1.98 MHz
-60 dBc / 30 kHz; Pout
≥
33 dBm
-27 dBm / 30 kHz; 28 dBm
≤
Pout < 33 dBm
-55 dBc / 30 kHz; Pout < 28 dBm
1.98 MHz~2.25 MHz
-55dBc/30kHz
，
Pout
¦
33dBm
-22dBm/30kHz
，
28dBm
≤
Pout < 33dBm
-50dBc/30kHz
，
Pout < 28dBm
2.25 MHz~4.00 MHz
-13dBm/1MHz
> 4.00 MHz
(ITU Class A Requirement)
-13 dBm / 1 kHz;
-13 dBm / 10 kHz;
-13 dBm/100 kHz;
-13 dBm / 1 MHz;
9 kHz < f < 150 kHz
150 kHz < f < 30 MHz
30 MHz < f < 1 GHz
1 GHz < f < 5 GHz
