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u8
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测试发现频率高了100K左右,请问CYW20706内部是否有可调整电容能够调整频率的?

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Owen_Zhang123
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CYW20706内部无法调整时钟频率,正常情况下,在前期生产的时候就应该把频偏调好,选择合适的load cap值,在批量生产的时候是不需要调的。

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AnjanaM_61
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First comment on KBA 5 questions asked First question asked

Hello @u8 

Can you please confirm how you confirmed there is a frequency change of 100K? 

Regards,

Anjana

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u8
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使用CyBluetool,CYW20706进入DUT Test Mode,固定测试频率为2440M,我使用频率计测量到实际频率为2440.1M,我可以通过调整晶体的电容来调整频率,但在生产上这是不方便的。

别的蓝牙IC都有内置电容可调整频率,所以想问下CYW20706是否也有内置电容可调整?

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u8
Level 1
Level 1
5 sign-ins First reply posted First question asked

使用CyBluetool,CYW20706进入DUT Test Mode,固定测试频率为2440M,我使用频率计测量到实际频率为2440.1M,我可以通过调整晶体的电容来调整频率,但在生产上这是不方便的。

别的蓝牙IC都有内置电容可调整频率,所以想问下CYW20706是否也有内置电容可调整?

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Owen_Zhang123
Moderator
Moderator
Moderator
500 solutions authored 250 sign-ins 1000 replies posted

CYW20706内部无法调整时钟频率,正常情况下,在前期生产的时候就应该把频偏调好,选择合适的load cap值,在批量生产的时候是不需要调的。

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