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我们刚开始在MT6223D平台上调试AD6548,板子测试的时候发现这个问题:[/COLOR]
MTK GSM Test Sequence Demo
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Date : 04-07-2010 Time 14:53:09
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ATE Tool Version:5.0820.3
Part Number: TL2008
Serial Number: 000001
Revision: W08.20
Batch: 01
Bar Code: 04070100989
Error Code: 501
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Enter into META Mode OK
CAP ID[0]:0,DAC:4096,Freq:77.48(PPM),Center Freq:903.00,Tch:65
CAP ID[1]:63,DAC:4096,Freq:-35.40(PPM),Center Freq:903.00,Tch:65
Crystal CAPID check begin
CAPID=31,AFC DAC=0,FreqErr=-23943.1
PASS: Freq error PPM =-26.5
CAPID=31,AFC DAC=8191,FreqErr=26221.5
PASS: Freq error PPM =29.0
result[0]:-26.5
result[1]:29.0
CapID Check Pass:31,Min:0,Max:63
AFC Calibration Failed,Slop:-0.123,min:2.000,max:10.000
Slope=-0.123,min:2.000,max:10.000
Use Default Value=3922
============GSM900 Band=============
First AFC Tracking:i_DAC1 3922
DAC1:3922,gain:25,Frequency offset:-6
FreqErr_norm min:42.75,Read Freq:-42.75
Write AFC offset to NVRAM:-342
FreqErr_norm min:42.75,Read Freq:-3299.61
Write AFC offset to NVRAM:-341
FreqErr_norm min:42.75,Read Freq:-3300.19
Write AFC offset to NVRAM:-340
FreqErr_norm min:42.75,Read Freq:-3303.17
Write AFC offset to NVRAM:-339
FreqErr_norm min:42.75,Read Freq:-3307.56
Write AFC offset to NVRAM:-338
FreqErr_norm min:42.75,Read Freq:-3324.99
Write AFC offset to NVRAM:-337
FreqErr_norm min:42.75,Read Freq:-3400.47
Write AFC offset to NVRAM:-336
FreqErr_norm min:42.75,Read Freq:-3430.95
Write AFC offset to NVRAM:-335
FreqErr_norm min:42.75,Read Freq:-3492.49
Write AFC offset to NVRAM:-334
FreqErr_norm min:42.75,Read Freq:-3479.32
Write AFC offset to NVRAM:-333
Write the min tx afc offset -342 to NVRAM
FreqErr_min:-3479.32,tx_afc_offset_min -342
tx_afc_offset check fail -342,MAX:30,MIN:-30
================== TX AFC offset calibration error =====================
AFC Calibration time=9.09(sec)
##
MTK GSM Test Sequence Demo
-------------------------------
Date : 04-07-2010 Time 14:53:09
------------
ATE Tool Version:5.0820.3
Part Number: TL2008
Serial Number: 000001
Revision: W08.20
Batch: 01
Bar Code: 04070100989
Error Code: 501
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Calibration Total Result FAIL
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