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Forum Post: RE: How to change to 200kbps BW configuration of CC1120 from your sample settings?

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I need your advice about unexpected RSSI behavior. As I checked the register value, maybe I found the route cause. This was caused by the setting of 'AGC_REF'. Even though the BW is changed, 'AGC_REF' is not adjusted. If 'AGC_REF is adjusted manually to the value in user's manual, this unexpected RSSI behavior was fixed.

I would like to know how I should explain that customer modifies the configuration settings to what they would like to achieve. Customer would like to achieve the following configurations.
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*Carrier Frequency = 915MHz
*Symbol rate = 100kbps
*Modulation format = 2-FSK
*Deviation = ±25kHz
*RX_filter_BW = 200kHz
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I suggested that they should select  "868MHz, 200kbps, 4GSK" first, then change the RF parameter in Window as they would like to configure like the attached picture.
If there are any other registers which we should change, please advise.

Best regards,
Masa


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