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Looking for a consumer integrated circuit...

Discussion in 'General Electronics Discussion' started by Externet, Feb 10, 2015.

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  1. Externet

    Externet

    810
    182
    Aug 24, 2009
    Once upon a time, a plain old stereo receiver had a tuning 'aid' made of three LEDs in the shape of

    |> 0 <|

    The red triangular outer LEDs showed off tune. The green central LED showed when a radio station was properly tuned.

    The LEDs were driven by a simple consumer IC. What ICs that you know of are capable of that ?
    I have looked mainly to old Sanyo and Rohm chips without finding such feature.
    Any help is welcome.


    If you know of a new brain that I can get transplanted, will be a bonus. The last one I got was refurbished, and is not doing well in the memory department. :(
     
  2. hevans1944

    hevans1944 Hop - AC8NS

    4,685
    2,193
    Jun 21, 2012
    Try this Yahoo! link. Other search engines, such as Google, may provide more or different results.
     
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