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Broadband Tunable Combiner System

A technology of combiners and tuning capacitors, applied in transmission systems, inductors, transformers, etc., can solve the problems of hindering the available spectrum of wireless transmitters, unsuitability, and inefficient spectrum

Active Publication Date: 2020-09-22
SHURE ACQUISITION HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although Wilkinson combiners can provide high isolation, they also have limited bandwidth that may not be suitable for use in certain applications and environments
In particular, the limited bandwidth of a typical Wilkinson combiner can prevent wireless transmitters from being able to utilize the available spectrum and thus be spectrally inefficient.

Method used

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  • Broadband Tunable Combiner System
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  • Broadband Tunable Combiner System

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Embodiment Construction

[0018] The following description describes, illustrates, and demonstrates one or more specific embodiments of the invention in accordance with its principles. This description is provided not to limit the invention to the embodiments described herein, but to illustrate and teach the principles of the invention in such a manner that a person of ordinary skill in the art can understand these principles and, with that understanding, apply the described principles to practice not only the embodiments described herein, but also other embodiments that can be conceived from these principles. The scope of the present invention is intended to encompass all such embodiments as may fall within the scope of the appended claims either literally or under the doctrine of equivalents.

[0019] It should be noted that in the description and drawings, similar or substantially similar elements may be labeled with the same reference numerals. However, sometimes these elements may be labeled with...

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Abstract

The present invention provides a wideband tunable combiner system for a dual frequency diversity transmitter comprising a tunable capacitor network. The system can be utilized to combine incoherent RF signals with the same audio signal into a combined RF signal for transmission on an antenna. The tunable capacitive network in conjunction with the combiner and bandpass filter can optimize the isolation between the incoherent RF signals and reduce intermodulation while maintaining a wide operating bandwidth. The capacitance value of the tunable capacitive network may be selected based on the frequency of the incoherent RF signal, RF spectral information, or antenna loading data. RF transmitters including the tunable combiner system can have improved spectral efficiency and performance and utilize available spectrum.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Patent Application Serial No. 14 / 824,619, filed August 12, 2015, the contents of which are hereby incorporated by reference in their entirety. technical field [0003] The present application generally relates to a broadband tunable combiner system. In particular, the present application relates to a wideband tunable combiner system including a tunable capacitive network for improved isolation and reduced intermodulation in a dual frequency diversity transmitter. Background technique [0004] Audio production may involve audio processing including microphones, wireless audio transmitters, wireless audio receivers, recorders, and and / or use of many components of the mixer. A microphone typically captures the sound of an article of manufacture wirelessly transmitted from the microphone and / or a wireless audio transmitter to a wireless audio receiver. The wireless audio receiv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/00H04B1/04
CPCH04B1/0057H04B1/0458H01F38/14H03H7/0161
Inventor R·索普科
Owner SHURE ACQUISITION HLDG INC
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