Symmetric microwave filter and microwave integrated circuit...

Details Symmetric microwave filter and microwave integrated circuit... Symmetric microwave filter and microwave integrated circuit...

2006-04-25

2006-04-25

Nguyen, Linh My (Department: 2816)

Wave transmission lines and networks

Coupling networks

With impedance matching

C333S161000

Reexamination Certificate

active

07034631

ABSTRACT:
A microwave filter is disposed on a substrate. The microwave filter is adapted for connecting a first microwave transmission line to a second microwave transmission line, configured such that a signal propagates from the first to second microwave transmission lines. The microwave filter encompasses a highpass component of filter disposed in a symmetrical configuration with respect to a median plane placed perpendicular to the surface of the substrate, including the central axis of the first and second microwave transmission lines; and a lowpass component of filter connected parallel with the highpass component of filter, the lowpass component of filter being disposed in a symmetrical configuration with respect to the median plane.

REFERENCES:
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patent: 6455880 (2002-09-01), Ono et al.
patent: 2000-151221 (2000-05-01), None
patent: 2000-174209 (2000-06-01), None
Koichi Suzuki et al., “Compact ODU with Dielectric Diplexer for FWA (Fixed Wireless Access),” TSMMW2000 Technical Digest (Mar. 2000), pp. 129-132.

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