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Re: Reverse-engineering the AIDC-3733 VCO



John Harrington wrote:

>The part which must be the VCO and divide-by-256 is a little
>8-pin SM package (tiny!) with the markings '510',  '9612',
>and 'M53' on it, but no manufacturers' logo.  I think the
>'9612' is the code date, and the '510' and 'M53' identify
>it. Can anyone point me to a manufacturer or data
>sheet?

Fujitsu MB510 2.7 GHz dual-modulus prescaler.

Since the application doesn't require frequency agility,
they won't be using the dual-modulus part - just wire it
for /256 (pin 3 open, pin 6 to Vcc) and be done with it.

The VCOs in these products are usually made from discrete
components.

Laura Halliday VE7LDH     "Que les nuages soient notre
Grid: CN89mg                     pied a terre..."
ICBM: 49 15.042 N 122 59.053 W       - Hospital/Shafte

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