Independently adjustable combined harmonic rejection filter...

Details Independently adjustable combined harmonic rejection filter... Independently adjustable combined harmonic rejection filter...

2008-01-22

2008-01-22

Takaoka, Dean (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S110000, C333S116000

Reexamination Certificate

active

07321276

ABSTRACT:
An adjustable low pass filter and directional coupler used in microwave communication are combined to reduce the size of the microwave circuit. The low pass filter portion and coupling portion are made independently tunable with a plurality of varactors and variable reactance circuits connected to ground.

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Power Dividers and Directional Couplers; 7 pages; https://ewhdbks.mugu.navy.mil/couplers.htm; downloaded Jun. 24, 2005.

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