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LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2. PERFORMANCE
GD880 Product SPEC
12
6) WLAN 802.11b transceiver specification
Item
Specification
Transmit Frequency
2400 MHz ~ 2483.5 MHz ( CH1~CH13 )
Tx Power Level
≤ 20dBm under (Europe), ≤ 30dBm under (USA)
Frequency Tolerance
within ±25 PPM
Chip clock Frequency
Tolerance
within ±25 PPM
Spectrum Mask
≤ -30 @ fc-22MHz< f <fc-11MHz and fc+11MHz< f <fc+22MHz
≤ -50 @ f < fc-22MHz and f > fc+22MHz
Power ramp on/off time
≤ 2us
Carrier Suppression
≤ -15dB
Modulation Accuracy
(Peak EVM)
≤ 35%
Spurious Emissions
< -36 dBm @ 30MHz ~ 1GHz
< -30 dBm above @ 1GHz ~ 12.75GHz
< -47 dBm @ 1.8GHz ~ 1.9GHz
< -47 dBm @ 5.15GHz ~ 5.3GHz
Rx Min input Sensitivity
≤ -76dBm(1Mbps,2Mbps,5.5Mbps,11Mbps) @ FER ≤ 8%
Rx Max input Sensitivity
≥ -10dBm(1Mbps,2Mbps,5.5Mbps,11Mbps) @ FER ≤ 8%
Rx Adjacent Channel
Rejection
≥ 35dB @FER ≤ 8%,
interference input signal -70dBm@fc±25MHz(11Mbps)
GD880 Product SPEC
11
4) HSDPA transmitter specification
Item
Specification
Transmit Frequency
Band1 : 1920 MHz ~ 1980 MHz
Band8 : 880MHz~915 MHz
Maximum Output Power
Sub-Test
1=1/15, 2=12/15 21~25dBm / 3.84 MHz
3=13/15 4=15/8 20~25dBm / 3.84 MHz
5=15/7 6=15/0 19~25dBm / 3.84 MHz
HS-DPCCH
Sub-test
in table
C.10.1.4
Power
step
Power step slot
boundary
Power
step size,
P [dB]
Transmitter power
step tolerance [dB]
5
1
Start of
Ack/Nack
6
+/- 2.3
2
Start of CQI
1
+/- 0.6
3
Middle of CQI
0
+/- 0.6
4
End of CQI
5
+/- 2.3
Spectrum Emission Mask
Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0
Frequency offset
from carrier
f
Minimum requirement
Measurement
Bandwidth
2.5 ~ 3.5 MHz
-35-15×(
f-2.5)dBc
30 kHz
3.5 ~ 7.5 MHz
-35-1×(
f-3.5)dBc
1 MHz
7.5 ~ 8.5 MHz
-35-10×(
f-7.5)dBc
1 MHz
8.5 ~ 12.5 MHz
-49dBc
1 MHz
Adjacent Channel Leakage
Power Ratio (ACLR)
Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0
> 33 dB @ ±5 MHz
> 43 dB @ ±10 MHz
Error Vector Magnitude
< 17.5 %, when Pout ≥ -20 dBm
5) HSDPA receiver specification
Item
Specification
Receive Frequency
Band1 : 2110 ~ 2170 MHz
Band8 : 925 ~ 960Hz
Maximum Input Level
(BLER or R), 16QAM Only
Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0
BLER < 10% or R >= 700kbps