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Embedded and Microcontrollers
Embedded Forum Digitally controlled broadcast radio receievrs
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  • Replies 12 replies
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  • am
  • fm
  • receiver
  • radio
  • uk
Related

Digitally controlled broadcast radio receievrs

KennyMillar
KennyMillar over 15 years ago

Hello everyone

 

A new design I'm working on is basically a whole-house integrated entertainment system.

In each room is a small touch panel where you can select the audio for that room from a brace of common sources, like a media server, cd player, iPod, Satellite receiver etc etc

All the sources are connected to a common control module, which is basically a smart matrix connecting rooms to sources.

The customer wants a pair of AM/FM Radio receivers built into the matrix.

 

I've been looking at digitally controlled radio receivers, and found the Silicon Labs Si4735 chip - which would be ideal for this project.

 

However here is the rub - no one stocks it. Farnell do not list it; Mouser and Digikey list it, but mouser's minimum order quantity is 190 and DigiKey's moq is 5000!

 

Silicon Labs do not offer it in their product sample range, and will not sell direct in an area where they have a distributor.

 

So, here's the question, and it's a two part-er :-

 

A. Where can I buy this chip in small qunatities in the UK? (Small quantities for BETA, production will be runs of 100 or 200 at a time).

or

B. Can anyone suggest an easier to find alternative, preferably from Farnell, with the following features:

i. Selectable AM/FM reception

ii. Controllable by micro processor (ie embeddable)

iii. Gives RDS data such as channel name/genre.

 

Thanks in advance

Kenny M.

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  • JGohlar
    JGohlar over 15 years ago

    Kenny ....I can get hold of any qty upto 250pcs, if interested.

    Let me know the qty you'd like.

     

    Jas

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  • KennyMillar
    KennyMillar over 15 years ago in reply to JGohlar

    Jas,

     

    Any joy sourcing these chips yet?

    I'm at the stage where I need to comit to my design, and if I can't obtain these then I'll need to find something else.

     

    Thanks again.

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  • JGohlar
    JGohlar over 15 years ago in reply to KennyMillar

    Kenny / Marcel .....I have chased Si4735-B20GM, a 20pin QFN device.

    It is orderable on SKU code 1835849.

    Let me know if any good.

     

    Jas

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  • JGohlar
    JGohlar over 15 years ago in reply to KennyMillar

    Kenny / Marcel .....I have chased Si4735-B20GM, a 20pin QFN device.

    It is orderable on SKU code 1835849.

    Let me know if any good.

     

    Jas

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  • KennyMillar
    KennyMillar over 15 years ago in reply to JGohlar

    I can't find 1835849 on the Farnell website, and  it won't let me add it to the basket.

    A search for Si4735 doesn't return anything either.

     

    Maybe it will take a while to filter through to the database?

     

    -Kenny

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  • awinning
    awinning over 15 years ago in reply to KennyMillar

    Hi Kenny,

     

    Jas is out of the office today. I've talked to his colleagues who say the part will go live at the next site updat, which is at the weekend.


    Ally

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  • KennyMillar
    KennyMillar over 15 years ago in reply to awinning

    Whoohooo!

    Brill - thanks to Jas and Ally for all their help with this.

     

    Now that I know exactly which part they are listing I can finialize my designs - that will keep the customer happy :-)

     

    -Kenny

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