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Technical Manual
Airbridge BTS3612A CDMA Base Station
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
(ITU Class A Requirement)
(ITU Class B Requirement)
Table A-26 Conducted Spurious Emissions Performance (1900MHz band)
Offset from carrier central frequency
(ITU Class A Requirement)
750 kHz~1.98 MHz
1.98 MHz~4.00 MHz
> 4.00 MHz
> 4.00 MHz
885 kHz~1.25 MHz
1.25 MHz~1.98 MHz
1.98 MHz~2.25 MHz
2.25 MHz~4.00 MHz
> 4.00 MHz
Appendix A Performance of Receiver and Transmitter
Spurious requirement
-45 dBc / 30 kHz
-60 dBc / 30 kHz; Pout ≥ 33 dBm
-27 dBm / 30 kHz; 28 dBm ≤ Pout < 33 dBm
-55 dBc / 30 kHz; Pout < 28 dBm
-13 dBm / 1 kHz;
-13 dBm / 10 kHz;
-13 dBm/100 kHz;
-13 dBm / 1 MHz;
-36 dBm / 1 kHz;
-36 dBm / 10 kHz;
-36 dBm/100 kHz;
-30 dBm / 1 MHz;
Spurious requirement
-45 dBc / 30 kHz
-60 dBc / 30 kHz; Pout ≥ 33 dBm
-27 dBm / 30 kHz; 28 dBm ≤ Pout < 33 dBm
-55 dBc / 30 kHz; Pout < 28 dBm
-55dBc/30kHz, Poutú33dBm
-22dBm/30kHz, 28dBm ≤ Pout < 33dBm
-50dBc/30kHz, Pout < 28dBm
-13dBm/1MHz
-13 dBm / 1 kHz;
-13 dBm / 10 kHz;
-13 dBm/100 kHz;
-13 dBm / 1 MHz;
A-15
System Principle
9 kHz < f < 150 kHz
150 kHz < f < 30 MHz
30 MHz < f < 1 GHz
1 GHz < f < 5 GHz
9 kHz < f < 150 kHz
150 kHz < f < 30 MHz
30 MHz < f < 1 GHz
1 GHz < f < 12.5 GHz
9 kHz < f < 150 kHz
150 kHz < f < 30 MHz
30 MHz < f < 1 GHz
1 GHz < f < 5 GHz
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