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Dielectric image-resonator multiplexer

  • US 4,881,051 A
  • Filed: 08/03/1988
  • Issued: 11/14/1989
  • Est. Priority Date: 04/05/1988
  • Status: Expired due to Fees
First Claim
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1. A multiplexer comprising two, three or four channels, each channel having one bandpass filter, each filter having at least one cavity, said at least one cavity of each filter being a common cavity with all of the other filters of the multiplexer, said common cavity containing one independent dielectric cut image resonator for each filter representing a channel of said multiplexer, each resonator being mounted on a suitable support, said common cavity providing a common junction and containing a means to couple electromagnetic energy between the various channels, said multiplexer having at least one input and at least one output.

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