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Designing Bluetooth Module with range extender

Hello,

We are trying to make bluetooth module for one of our application using CC2540 and CC2592.

I have got reference from CC2592 datasheet and reference design for CC2538+CC2592. The other reference that I got is from CC2540 and CC2540+CC2591 reference design. I am going to follow the stackup and 4layers as per reference design.

We have some questions regarding this design :

1. HGM pin in one of the reference design is connected either to pull down or pull up and the other reference design it is directly connected to CC25xx.

2. The best way to connect CC2540 and CC2592 on RF_P and RF_N is directly connect to each other but we want maximum range with high power for our application so can you please let us know if we can directly connect these pins on CC2540 and CC2592.

[ I am asking this question because we earlier design CC2500 + CC2591 and we added balun network in between this and we got better response. I couldn't find any reference design with CC2540 and CC2592 having connected with balun network so that's the reason I am asking this)

3. Can you suggest best possible configuration for hooking up CC2540 + CC2592. (I could send my reference design if you want)


4. And if you can also suggest best reference design to refer for making this schematic design and layout considerations.

Please can you give the answer point by point will be really helpful.

Please can you let us know as soon as you can it will be really appreciated since we are trying to move quickly on this.

Regards..!!