Generally yes if the combined port is at the correct impedance. The
term you asking about is called isolation and it is specified port to
port and is a function of terminating impedances. If you care to know
more about combiners and splitters work there is a wealth of good info
on the web.
http://www.microwaves101.com/encyclopedia/power%20combining.cfm
http://en.wikipedia.org/wiki/Power_combiner etc.
Larry, W0QE
On 8/24/2012 12:47 PM, Jerry Kaidor wrote:
>> I believe coax cable type combiners cut to length are for a fixed
>> frequency. However, there are commercial combiners that work for the
>> entire HF spectrum. Solid state amplifiers that use more than one
>> transistor are typical examples.
> *** The original question was about multiple *tube* amps. I've seen the
> solid state amps using combiners - I remember a QST article back in the
> 80's, when high power solid state was pretty exotic.
>
> Do these broadband combiners work as hybrids, and prevent power from
> being fed from amp to amp?
>
> - Jerry Kaidor, KF6VB
>
>
>
>
>
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