校准时有几个功率等级偏高 是匹配问题 还是校准文件有问题

GSM850 PCL 19 = 9.43 FAIL,Max :6.00 Min :4.00
GSM850 PCL 18 = 11.72 FAIL,Max :8.00 Min :6.00
GSM850 PCL 17 = 13.67 FAIL,Max :10.00 Min :8.00
GSM850 PCL 16 = 12.57 FAIL,Max :12.00 Min :10.00
GSM850 PCL 15 = 13.21 PASS,Max :13.80 Min :12.50
GSM850 PCL 14 = 14.82 PASS,Max :15.80 Min :14.50
GSM850 PCL 13 = 16.86 PASS,Max :17.80 Min :16.50
GSM PCL 19 = 7.51 FAIL,Max :7.00 Min :3.00
GSM PCL 18 = 11.55 FAIL,Max :9.00 Min :5.00
GSM PCL 17 = 13.47 FAIL,Max :11.00 Min :7.00
GSM PCL 16 = 12.25 PASS,Max :13.00 Min :9.00
DCS PCL 15 = 4.79 FAIL,Max :3.00 Min :-1.00
DCS PCL 14 = 6.64 FAIL,Max :4.00 Min :1.00
DCS PCL 13 = 4.97 PASS,Max :6.00 Min :2.00
DCS PCL 12 = 11.12 FAIL,Max :8.00 Min :4.00
DCS PCL 11 = 8.76 PASS,Max :10.00 Min :6.00

手机校准文件.txt :

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先改校准文件，不行再考虑修改π，常规做法

改参考DAC

将校准文件里面相应的PDM值改小一点试试。

修改了没有效果

0961-MTK校准参数详解.rar :

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1、别用几点校准，而用全功率等级校准
2、如果全的pass了，那就是那几个点有问题，导致算出来的都有问题了。

MT6253+SKY77542的，是全功率校准

MT6253_sky77542.rar :

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[GSM850 Sub band, RX loss]
Max ARFCN=140,150,160,170,180,190,200,210,220,230,240,251
RX loss=-1.500,-1.125,-1.125,-1.500,-1.875,-2.125,-1.750,-1.000,-0.500,-0.375,-0.875,-1.5000
[BB TX Parameters]
BB TX common mode voltage=1
BB TX gain=0
BB TX calrcsel=0
APC bat low voltage=3.50000
APC bat high voltage=4.00000
APC bat low temperature=0.00000
APC bat high temperature=50.00000
Trim I=1
Trim Q=0
Offset I=2
Offset Q=13
Calibrated flag=1
BB TX phasesel=0
[GSM900 level, ramp]
APC dc offset=110
Low APC dc offset=0
APC lowest power=5
TX power level=94,110,128,148,173,200,232,270,308,355,405,465,532,590,680,680
profile 0 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 0 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 1 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 1 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 2 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 2 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 3 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 3 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 4 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 4 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 5 ramp up=0,0,0,0,0,0,0,0,8,32,80,145,215,255,255,255
profile 5 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 6 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 6 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 7 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 7 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 8 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 8 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 9 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 9 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 10 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 10 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 11 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 11 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 12 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 12 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 13 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 13 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 14 ramp up=0,0,0,0,0,0,0,0,0,0,23,100,190,238,255,255
profile 14 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
profile 15 ramp up=0,0,0,0,0,0,0,0,8,25,65,145,219,255,255,255
profile 15 ramp down=255,255,239,197,138,78,32,10,0,0,0,0,0,0,0,0
Subband max arfcn=1,20,40,70,100,124,975,1023,-1,-1,-1

校准文件中修改那里可以让高等级的功率降下来

平坦度搞了没有啊，明显最小功率有问题嘛，L15要调到0

APC dc offset=110
置零!

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