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CC8531: Impedance matching Johanson 2450AT18D0100E to CC2590 & CC8531

Part Number: CC8531
Other Parts Discussed in Thread: CC2590

I am designing a microphone using CC8531 & CC2590. Since I am aiming for a small form factor, I have decided to use a chip antenna instead of the PCB antenna on the evaluation board designs. As far as I understood, I should maintain the matching circuit the same and replace the antenna with the recommended passives from the antenna manufacturer. I have chosen Johanson 2450AT18D0100E. I am posting my schematics here. It would be great to get a confirmation if my design is alright.