Sigfox Sens'it Implementation Rules & Integration Manualline Download Page 7 | Manualshive

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background image

Sens’it area

To avoid antenna retuning
and matching, respect the
different component areas.

Low profile component include CMS
chicken

food

components

(eg.

capacitors, coils, resistor)

Sigfox presentation

7

All component allowed

Low profile components allowed

No components allowed

All component allowed

Low profile components allowed

No components allowed

Back side

Front side

Front side

Back side

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Summary of Contents for Sens'it

Page 1: ...Sens it antenna Implementation rules Integration guideline ...

Page 2: ...1 Sens it antenna overview 2 Antenna Performance overview on Sens it device 3 Integration guidelines 4 Antenna tuning and matching parameters ...

Page 3: ...mplement this antenna in other devices however some precaution must be taken In most cases only the printed part should be modified in order to implement this antenna in another device This document describes how to tune and match the sens it antenna and provide recommendations on how to implement this antenna into another device Sigfox presentation 3 ...

Page 4: ...s it device The radiation pattern is mainly driven by the size and form factor of the PCB as well as the antenna location Changing one of those three parameter can impact the radiation pattern Sigfox presentation 4 Antenna gain 1dBi Antenna efficiency 1dB ERP 13dBm for 14dBm input power EIRP 23dBm for 22dBm input power ...

Page 5: ...The sens it antenna has enough bandwidth to cover the whole Sigfox frequency range Return loss below 8dB over whole Sigfox frequency range Reference impedance 50Ohms Sigfox presentation 5 8 Measured Return Loss plot Smith Chart ...

Page 6: ...B width will impact the frequency tuning as well as the antenna Bandwidth It will require a retuning and matching of the antenna Component location Changing the electronic is not critical though it may require Avoid placing big components next to the antenna Battery location The battery can be changed but an antenna tuning may be necessary Try to keep the battery as far as possible from the antenn...

Page 7: ...profile component include CMS chicken food components eg capacitors coils resistor Sigfox presentation 7 All component allowed Low profile components allowed No components allowed All component allowed Low profile components allowed No components allowed Back side Front side Front side Back side ...

Page 8: ... Matching Adjusting the dimension B will impact the antenna matching impedance of the antenna A B As any antenna the sens it antenna uses the PCB to operate and is impacted by its surrounding e g casing Therefore implementing the sens it antenna in your device can require some tuning and matching in order to optimize the antenna performance This optimization can be done by adjusting two parameters...

Page 9: ...Thank you ...

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