ST Balun and nRF51822 build codes used by Mouser

[Glenn Ivar Klausen]

Hi

We are making a product based on nRF51822 and have used the ST BAL-NRF01D3 balun, but due to lack of updated datasheets for the balun we are unable to determine if it can be used or not.

Mouser sells nRF51822-QFAA-R7, but the ST datasheet claims it will only work with build code CA/C0, but it may not be updated with recent build codes? So I need to get clairfication whether or not we can use this balun in our design.

no.mouser.com/.../ProductDetail.aspx

And, are the ST balun well impedance match with latest nRF-version sourced by Mouser?

[Anders Strand]

Hey.

You can see a list of recommended baluns on our website..

In your case you should choose either the ST BALF-NRF01E3 or the Johanson 2450BM14E0003

The ST BAL-NRF01D3 will work as well, not not optimally.

[Glenn Ivar Klausen]

Thanks, then I can rest this case which have been a source of both confusion and frustration due to lack of updated datasheets.