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  1. #1
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    Help Idenitifying RF IC

    Hi

    I'm trying to identify an SMD IC that is used in the front end of the Futaba R3006SB radio control receiver. I think that it is most likely a PIN diode attenuator working in the 2.4 GHz region, but it could also be an RF preamp.

    Any help gratefully appreciated.

    Thanks
    Andrew

    rfengfpv.wordpress.com

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  2. #2
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    Re: Help Idenitifying RF IC

    On second thoughts, I think it's more likely an RF preamp (LNA). I've attached an image showing the associated components.

    Click image for larger version. 

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    The signal input is at pin 4 (top left in the image) and output at pin 1 (bottom right). A bias voltage is fed in to pins 1 and 3 via decoupling caps, and an additional RF choke in the case of pin 1, which is also the output.

    The package size is approx. 1.5mm x 1mm excluding the leads.

    Thanks
    Andrew



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