10. CALIBRATION
10.6.2 Feature of RF calibration
Tachyon configuration is describes in this section. The information indicates the state of the mobile phones will
become a factor.
[1] WCDMA band
Table 1-3 describes the calibration feature of WCDMA band.
Item Sub Item WCDMA 2100 WCDMA 900
Tx 9883 2863 Calibration Channel
Rx 10833 3088
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 222 227 Calibrated PDM Range
Min 160 134
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 235 255 Calibrated PDM Range
Min 80 69
PDM step 5 6
Measured data of 32 array 27 26
≥ Up threshold 15.0 16.0
Low Gain Mode
Threshold of Power Range(dBm)
≤ Low threshold -55.0 -53.0
≥ Lower limit 16.5 16.5 Allowable power range in HDET range(dBm)
≤ Upper limit 24.5 24.5
≥ Lower limit 50 80 Allowable HDET adc range
≤ Upper limit 160 175
DVGA Calibration Power(dBm) -74.0 -74.0
≥ Lower limit 130 80 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
Table 1-3. Feature of Tx/Rx calibration in WCDMA 2100/900 band
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