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Dialog Semiconductor customer support - Datasheet https://support.dialog-semiconductor.com/resource-keywords/datasheet en AN-B-027 and matching https://support.dialog-semiconductor.com/forums/post/dialog-smartbond-bluetooth-low-energy-%E2%80%93-hardware-device-reference-designs/b-027-and

Forums:

Dialog Smartbond Bluetooth Low Energy – Hardware (device & reference designs)

I was wondering how the antenna matching works. In the DA14531 datasheet, there is a 1.8pF/3.3nH/1.8pF pi network right at the RF pin. Is this required to get the pin to 50 ohms?

The reason I'm asking is that the AN-B-027 app note has matching as well. Are both matching networks required (the pi network from the datasheet plus the matching network in the app note), or is the datasheet's pi network a placeholder, and can be replaced by the matching in AN-B-027?

Keywords:

Application note

Device:

Sat, 22 Aug 2020 15:58:13 +0000 andrewsdai 374874 at https://support.dialog-semiconductor.com https://support.dialog-semiconductor.com/forums/post/dialog-smartbond-bluetooth-low-energy-%E2%80%93-hardware-device-reference-designs/b-027-and#comments DA14683数据表 https://support.dialog-semiconductor.com/resource/da14683-datasheet < div class = "字段field-name-field-version-date field-type-date field-label-inline clearfix">

Version date:

02/10/2018

Version number:

3.1

Keywords:

Tue, 12 Jun 2018 14:49:02 +0000 FvD_Dialog 194018 at https://support.dialog-semiconductor.com https://support.dialog-semiconductor.com/resource/da14683-datasheet#comments DA14681 Datasheet https://support.dialog-semiconductor.com/resource/da14681-datasheet

Low Power Bluetooth Smart 4.2 SoC

Version date:

15/03/2018

Version number:

3.0

Keywords:

Thu, 27 Jul 2017 09:02:25 +0000 AK_Dialog 72774 at https://support.dialog-semiconductor.com https://support.dialog-semiconductor.com/resource/da14681-datasheet#comments DA14582 datasheet revision history https://support.dialog-semiconductor.com/resource/da14582-datasheet-revision-history < div class = "字段field-name-field-version-date field-type-date field-label-inline clearfix">

Version date:

14/11/2016

Version number:

3.0

Keywords:

Mon, 14 Nov 2016 15:16:24 +0000 FvD_Dialog 4918 at https://support.dialog-semiconductor.com https://support.dialog-semiconductor.com/resource/da14582-datasheet-revision-history#comments DA14680-01 Datasheet https://support.dialog-semiconductor.com/resource/da14680-01-datasheet

Low Power Bluetooth Smart 4.2 SoC with FLASH

Version date:

15/03/2018

Version number:

3.0

Keywords:

Fri, 29 Jul 2016 13:06:31 +0000 AK_Dialog 4309 at https://support.dialog-semiconductor.com https://support.dialog-semiconductor.com/resource/da14680-01-datasheet#comments DA14580 Datasheet https://support.dialog-semiconductor.com/resource/da14580-datasheet < div class = "字段field-name-field-version-date field-type-date field-label-inline clearfix">

Version date:

05/02/2015

Version number:

3.4

Keywords:

Fri, 21 Nov 2014 18:47:34 +0000 FvD_Dialog 826 at https://support.dialog-semiconductor.com https://support.dialog-semiconductor.com/resource/da14580-datasheet#comments DA14580 datasheet revision history https://support.dialog-semiconductor.com/resource/da14580-datasheet-revision-history < div class = "字段field-name-field-version-date field-type-date field-label-inline clearfix">

Version date:

14/11/2016

Version number:

3.4

Keywords:

星期四,2014年10月02 16:25:16 + 0000 WT_Dialog 689 at https://support.dialog-semiconductor.com https://support.dialog-semiconductor.com/resource/da14580-datasheet-revision-history#comments