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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2. PERFORMAnCE
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Copyright
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2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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2.4.3 WCDMA Receiver spec.
Item
Specification
Receive Frequency
WCDMA900 : 925 MHz ~ 960 MHz
WCDMA2100 : 2110 ~2170 MHz
Reference Sensitivity Level
BER < 0.001 when Îor = -106.7 dBm / 3.84 MHz
Maximum Input Level
BER < 0.001 when Îor = -25 dBm / 3.84 MHz
Adjacent Channel Selectivity
(ACS)
ACS > 33 dB where BER < 0.001 when Îor = -92.7 dBm / 3.84
MHz
& Ioac = –52 dBm / 3.84 MHz @ ±5 MHz
Blocking Characteristic
BER < 0.001 when Îor = -103.7 dBm / 3.84 MHz
& Iblocking = -56 dBm / 3.84 MHz @ Fuw(offset) = ±10 MHz
or Iblocking = -44 dBm / 3.84
MHz @ Fuw(offset) = ±15 MHz
Spurious Response
BER < 0.001 when Îor = -103.7 dBm / 3.84 MHz & Iblocking = -44
dBm
Intermodulation
BER < 0.001 when Îor= -103.7 dBm / 3.84 MHz
& Iouw1 = -46 dBm @ Fuw1(offset) = ±10 MHz
& Iouw2 = -46 dBm / 3.84 MHz @ Fuw2(offset) = ±20 MHz
Spurious Emissions
< -57 dBm / 100 kHz BW @ 9 kHz
f < 1 GHz
< -47 dBm / 1 MHz BW @ 1 GHz
f
12.75 GHz
Inner Loop Power Control In
Uplink
Adjust output(TPC command)
cmd 1dB 2dB 3dB
+1 +0.5/1.5 +1/3 +1.5/4
0 -0.5/+0.5 -0.5/+0.5 -0.5/+0.5
-1 -0.5/-1.5 -1/-3 -1.5/-4
group(10equal command group)
+1 +8/+12 +16/+24
Содержание KM555
Страница 1: ...Service Manual Model KM555 Internal Use Only Service Manual KM555 Date November 2009 Issue 1 0 ...
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