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en:tech:dabmodule

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en:tech:dabmodule [2022/11/10 20:53] – [Hardware] bullaren:tech:dabmodule [2022/11/10 20:56] (current) – [Hardware] bullar
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 My goal was to develop the smallest possible module, which can then be placed anywhere, similar to the KeyStone solution. My goal was to develop the smallest possible module, which can then be placed anywhere, similar to the KeyStone solution.
 The chip manufacturer's Application Note [[https://www.skyworksinc.com/-/media/Skyworks/SL/documents/public/application-notes/AN851.pdf|AN851]] provides an example schematic and some PCB design rules. All the designers of the boards I have have adhered to this. This inhibits willingness to experiment: The chip manufacturer's Application Note [[https://www.skyworksinc.com/-/media/Skyworks/SL/documents/public/application-notes/AN851.pdf|AN851]] provides an example schematic and some PCB design rules. All the designers of the boards I have have adhered to this. This inhibits willingness to experiment:
 +
 +{{ :tech:dab_module_sch.png?direct&400 |DAB+ module}}
  
 The module contains everything for relaxed FM/DAB+ reception and offers the following connectivity: The module contains everything for relaxed FM/DAB+ reception and offers the following connectivity:
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 The PCB always looks more benign after routing than during the design process. For a better representation in the following picture without filled ground areas: The PCB always looks more benign after routing than during the design process. For a better representation in the following picture without filled ground areas:
  
-{{:tech:dab_module_sch.png?direct&400|DAB+ module schematic}} +{{ :tech:dab_module_brd.png?direct&400 |DAB+ module PCB}}
-{{:tech:dab_module_brd.png?direct&400|DAB+ module PCB}}+
  
 In order for the selected SMA socket to fit, the PCB should only be produced 1.0mm thick. With 29x18mm, the module looks quite handy. Produced by [[https://jlcpcb.com|JLCPCB]] it costs a little more than usual because I used //Castellated Holes// so half holes for the module connections. I definitely recommend ordering a stencil, otherwise it will be even more fun when you paste it. Here is the 'paste' result with stencil: In order for the selected SMA socket to fit, the PCB should only be produced 1.0mm thick. With 29x18mm, the module looks quite handy. Produced by [[https://jlcpcb.com|JLCPCB]] it costs a little more than usual because I used //Castellated Holes// so half holes for the module connections. I definitely recommend ordering a stencil, otherwise it will be even more fun when you paste it. Here is the 'paste' result with stencil:
en/tech/dabmodule.1668113632.txt.gz · Last modified: 2022/11/10 20:53 by bullar

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