Hi guys,

"budgie" wrote in message
...
If I understood the O/P he was trying to split and then recombine the
25-3000
band with a split ("crossover") at 500 MHz. Assuming a 50R in/out
impedance
across the passband, the fiter sections presumably present a substantially
different (usually much higher) port impedance out of band.

Yes, this is correct; the problem is that close to the 500MHz split, the
filters combine together so as to create several resonances. I'll try the T
combiner approach; this should tend to 'de-Q' the resonances.

An isolator (or circulator) would work here, but I'm not aware of any that
cover such a wide bandwidth.

The suggestions for 'quarter wavelength' anythings aren't appropriate given
the wide bandwidth.

Thanks for all the help,
---Joel Kolstad