Topband: RX power splitter

Jim Brown jim at
Thu Feb 7 12:15:10 EST 2008

On Thu, 07 Feb 2008 07:44:41 -0500, Pete Smith wrote:

>I am looking for a passive hybrid splitter that would let me feed two 
>receivers from a single source with losses as small as reasonably possible, 
>and good isolation between output ports,  without resorting to additional 
>amplification.  There are inexpensive passive splitters readily available 
>for cable TV and internet applications that are rated from 5 to 1000 MHz at 
>-3.7 dB per output port, but I would love to find one that would work down 
>to 160m.

MiniCircuits has exactly what you want, in MANY variations. Very good quality 
stuff. They sell through their own rep network, I think. I've used them in pro 
applications to split antennas for wireless mics in the VHF and UHF spectrum. 
Their catalog is online. You're looking for power splitters. The ZFSC-2-1-75 is 
good for .25-300 MHz. $46 in my very old catalog.

You can also build your own resistive splitters for the cost of the connectors 
and enclosure. They'll have more loss and much less isolation. 


Jim K9YC

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