[time-nuts] Need a simple ID for some gear

Stan W1LE stanw1le at verizon.net
Fri Oct 3 13:08:33 UTC 2008


Sounds like a isolator, a passive ferrite device.

Stan, W1LE    Cape Cod


d.seiter at comcast.net wrote:
> I don't know a whole bunch about microwave gear, so I need a little help.  I came across a small box in a pile this evening and I don't have a clue what it is.
>
> It's a T construct, with SMAs at both ends of the horizontal.  The vertical end looks like it's terminated to gnd.  Internal construction in a plate which connects all three terminals.  Above and below the plate is a ceramic triangle with a circular black insert.  Each plate of the outer case has a circular magnet the same size as the black insert on the ceramic plates, on the external side, and there is a U shaped steel clamp which covers the entire assembly.  
>
> This is probably a really easy question for some of you out there....what is it?
>
> I also came across some K&L filters from my time at Cylink, but the website gave me no joy.  When the sample says S/N 1, I don't expect much...  I suppose I could just feed a signal through them and see where the outputs occur....  both series have 5787.5 embedded n the part number, so I'm thinking that's the center or cutoff frequency.
>
> -Dave
>
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