10. CALIBRATION
- 186 -
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
10.6.2 Feature of RF calibration
This section describes the information used in calibration items in more detail.
WCDMA band
Table 1-3 describes the calibration feature of WCDMA band.
Table 1-3. Feature of Tx/Rx calibration in WCDMA 2100/900 band
Item
Sub Item
WCDMA 2100
WCDMA 900
Tx
9883
4184
Calibration Channel
Rx
10833
4409
Tx Target Power(dBm)
22.5
22.5
High to low gain
11.0
11.0
PAM gain switching(dBm)
Low to high gain
14.0
14.0
Max
214
201
Calibrated PDM Range
Min
162
106
PDM step
2
3
Measured data of 32 array
26
25
≥ Up threshold
25.0
25.0
High Gain
Mode
Threshold of Power
Range(dBm)
≤ Low threshold
6.0
6.0
Max
210
255
Calibrated PDM Range
Min
75
69
PDM step
5
6
Measured data of 32 array
27
26
≥ Up threshold
17.0
16.0
Low Gain
Mode
Threshold of Power
Range(dBm)
≤ Low threshold
-55.0
-55.0
≥ Lower limit
16.5
16.5
Allowable power range in HDET
range(dBm)
≤ Upper limit
24.5
24.5
≥ Lower limit
30
35
Allowable HDET adc range
≤ Upper limit
190
220
DVGA Calibration Power(dBm)
-74.0
-74.0
≥ Lower limit
130
50
DVGA Calibration Range
≤ Upper limit
300
300
Range 0-1
-66.0
-68.0
Range 1-2
-42.0
-50.0
Range 2-3
-26.0
-38.0
LNA Calibration Power(dBm)
Range 3-4
๑
-26.0
71
3088