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Re: Hybrid ring vs Wilkinson divider
- Subject: Re: [amsat-bb] Hybrid ring vs Wilkinson divider
- From: "Tom Clark, K3IO" <K3IO@xxxxxxxxxxx>
- Date: Mon, 29 May 2006 00:42:33 -0400
- User-Agent: Thunderbird 1.5.0.2 (Windows/20060308)
Joop is correct in pointing out that a Wilkinson divider works like a
"rat race" hybrid for matched loads. However if there is a small
mismatch in the "real-world" loads connected to the divider, the hybrid
provides a way to "suck up" the power reflected by the loads.
Domenico is correct, and Joop is wrong in saying that the hybrid has a
3dB loss while the Wilkinson is lossless. Put 2 watts into either type
of divider, and 1 watt will appear at each of the divider/hybrid
outputs. The "3 dB loss" statement probably comes from the fact that
half of the power (i.e. -3dB) goes to each port.
73, Tom
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