>
> I do have a video board from some unknown ancient TV which *does* have
> one SAW filter on it, but given the scorchmarks on the board, I doubt
> it's still in functional condition. Helpfully enough my signal generator
> only goes up to 20MHz, so testing it wouldn't be particularly easy either
> :(
>

Set the generator to 1/2 or 1/3 the frequency, and look for a harmonic to
come through the filter.  If the generator is "too clean" add a diode to
make lots of harmonics.
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