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UWB Contiguous Diplexer

时间:04-07 整理:3721RD 点击:
I'm designing an ultra-wideband contiguous diplexer starting from diferent topologies (eg. CPW/MMR).
It's so hard to combine the two UWB BPF filters. I tried many solutions but non of them worked.
There isn't a method for both UWB and Contiguity. Could you help me?

a continguous diplexer can be easily made by connecting singly terminated LPF with a singly terminated HPF. It is almost trivial. the bandwidth of either can be huge. What exactly are you trying to do?

You're right, but I'm using MMR/CPW-based Band-Pass Filters (Two octaves). Is it possible?
If it isn't what are my options? Thank you.

A diplexer has one common port, and a lowband port and highband port (i.e. 3 ports). What is the exact frquency band of the lowband port? what is the exact frequency band of the highband port?

You can adjust the trace distance from common port to the two BPF filters. Adjust the distance can meet your specifications, you need to do momentum simulations. This method is relate to your freq.

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