> >Where is the filter placed, after the mixer?
> >I assume your using a strip line balanced diode ring mixer they should
> >perform well for the 1st mixer
>
> The filter is before the mixer (to remove the image frequency and also to

I'm curious about this statement.  How can there be an "image" frequency
yet, if you are still in front of the mixer?  Or is there another mixing
stage ahead of this?

> help reduce problems with strong signals at other frequencies, although I
> realize that diode mixers don't have much of a problem with the latter).
> The mixer is indeed a doubly-balanced diode ring mixer (ADE-30W from
> Minicircuits). After the mixer comes an amplifier and then another filter,
> but that one will be made using discrete components since it will be at a
> much lower frequency (670MHz 1st IF).
>
> Thanks,
>
> Sean
>
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