Some questions about TRF372017 below.
1. How can I improve the Loop Filter in TRF372017?
2. How can I improve the SNR at RF output?
3. May I have the detail register document?
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Some questions about TRF372017 below.
1. How can I improve the Loop Filter in TRF372017?
2. How can I improve the SNR at RF output?
3. May I have the detail register document?
Peter Pan:
1. The loop filter defined in D/S and user's guide provides optimized loop filter for integer and fractional mode. You can of course tweak if desired. The TRF372017 product page provides a link to a loop filter analysis tool to assist in loop filter modifications: http://www.ti.com/tool/loop_filter-calc.
2. Noise Spectral Density (NSD) for the device is already very good. For best performance I recommend very clean power supplies and filtering of BB inputs.
3. The SPI register details are outlined in the datasheet.
Regards,
Capt. Hook