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CC1312R: 920MHz spurious level

Expert 2831 points
Part Number: CC1312R

Tool/software:

Hi expert.

My customer have question about CC1312R1F3RGZR.

If use setting of 920MHz, TX 12 dBm. It was -56 dBm of spurious.

In the Datasheet, spurious specification is <-55 dBm.

It is not much leeway. Is this ability value of this device?

 

And want to margin of over 3 dBm for ARIB STD-108 (specification is spurious <-55 dBm)

After adjusting the input load of the TCXO, we have finally achieved a margin of 2.5 dBm.

Could you let us know how to secure over 3 dBm?

Best regards,

GR