LG KU250 Service Manual - Page 10

Transmitter - WCDMA Mode - specification

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2. PERFORMANCE 2) Transmitter - WCDMA Mode No Item Specification 1 Maximum Output Power Class 3 : +24dBm(+1/-3dB) 2 Frequency Error ±0.1ppm 3 Open Loop Power control in uplink ±9dB@normal, ±12dB@extreme Adjust output(TPC command) cmd 1dB 2dB 3dB +1 +0.5/1.5 +1/3 +1.5/4.5 4 Inner Loop Power control in uplink 0 -0.5/+0.5 -0.5/+0.5 -0.5/+0.5 -1 -0.5/-1.5 -1/-3 -1.5/-4.5 Group (10 equel command group) +1 +8/+12 +16/+24 5 Minimum Output Power -50dBm(3.84MHz) Qin/Qout : PCCH quality levels 6 Out-of-synchronization handling of output power Toff@DPCCH/Ior : -22 -> -28dB Ton@DPCCH/Ior : -24 -> -18dB 7 Transmit OFF Power -56dBm(3.84MHz) 8 Transmit ON/OFF Time Mask ±25us PRACH,CPCH,uplinlk compressed mode ±25us 9 Change of TFC Power varies according to the data rate DTX : DPCH off (minimize interference between UE) 10 Power setting in uplink compressed ±3dB(after 14slots transmission gap) 11 Occupied Bandwidth(OBW) 5MHz(99%) -35-15*(∆f-2.5)dBc@∆f=2.5~3.5MHz,30k 12 Spectrum emission Mask -35-1*(∆f-3.5)dBc@∆f=3.5~7.5MHz,1M -39-10*(∆f-7.5)dBc@∆f=7.5~8.5MHz,1M -49dBc@∆f=8.5~12.5MHz,1M - 11 -

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2. PERFORMANCE
- 11 -
2) Transmitter - WCDMA Mode
No
Item
Specification
1
Maximum Output Power
Class 3 : +24dBm(+1/-3dB)
2
Frequency
Error
±0.1ppm
3
Open Loop Power control in uplink
±9dB@normal, ±12dB@extreme
Adjust output(TPC command)
cmd
1dB
2dB
3dB
+1
+0.5/1.5
+1/3
+1.5/4.5
4
Inner Loop Power control in uplink
0
-0.5/+0.5
-0.5/+0.5
-0.5/+0.5
-1
-0.5/-1.5
-1/-3
-1.5/-4.5
Group (10 equel command group)
+1
+8/+12
+16/+24
5
Minimum Output Power
-50dBm(3.84MHz)
Qin/Qout : PCCH quality levels
6
Out-of-synchronization handling of output power
Toff@DPCCH/Ior : -22 -> -28dB
Ton@DPCCH/Ior : -24 -> -18dB
7
Transmit OFF Power
-56dBm(3.84MHz)
8
Transmit ON/OFF Time Mask
±25us
PRACH,CPCH,uplinlk compressed mode
±25us
9
Change of TFC
Power varies according to the data rate
DTX : DPCH off
(minimize interference between UE)
10
Power setting in uplink compressed
±3dB(after 14slots transmission gap)
11
Occupied Bandwidth(OBW)
5MHz(99%)
-35-15*(∆f-2.5)dBc@∆f=2.5~3.5MHz,30k
12
Spectrum emission Mask
-35-1*(∆f-3.5)dBc@∆f=3.5~7.5MHz,1M
-39-10*(∆f-7.5)dBc@∆f=7.5~8.5MHz,1M
-49dBc@∆f=8.5~12.5MHz,1M