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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2. PERFORMANCE
GM310f service manual
2.4.3. WCDMA
Receiver
spec.
Item
Specification
Receive Frequency
2110 ~ 2170 MHz / 925 ~ 960 MHz
Reference Sensitivity Level
BER < 0.001 when Îor = -106.7 dBm / 3.84 MHz(WCDMA2100)
BER < 0.001 when Îor = -103.7 dBm / 3.84 MHz(WCDMA900)
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(WCDMA2100)
ACS > 33 dB where BER < 0.001 when Îor = -89.7 dBm / 3.84
MHz & Ioac = –52 dBm / 3.84 MHz @ ±5 MHz(WCDMA900)
Blocking Characteristic
BER < 0.001 when Îor = -103.7 dBm / 3.84 MHz(WCDMA2100)
when Îor = -100.7 dBm/ 3.84 MHz(WCDMA900)
& 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 (WCDMA2100)
when Îor = -100.7 dBm (WCDMA900)
& 3.84 MHz & Iblocking = -44 dBm
Intermodulation
BER < 0.001 when Îor= -103.7 dBm / 3.84 MHz(WCDMA2100)
when Îor= -100.7 dBm / 3.84 MHz(WCDMA900)
& 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