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Compensation device for asymmetric wide passband frequency response in receiver with 25% duty cycle passive mixer

A receiver and mixer technology, applied to electrical components, transmission systems, etc.

Active Publication Date: 2015-09-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional devices, systems and methods are insufficient to generate a frequency response that is sufficiently symmetrical about the carrier frequency

Method used

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  • Compensation device for asymmetric wide passband frequency response in receiver with 25% duty cycle passive mixer
  • Compensation device for asymmetric wide passband frequency response in receiver with 25% duty cycle passive mixer
  • Compensation device for asymmetric wide passband frequency response in receiver with 25% duty cycle passive mixer

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Embodiment Construction

[0022] It should be understood at the outset that although an illustrative implementation of one or more embodiments is provided below, the disclosed systems and / or methods may be implemented using any number of techniques, whether currently known or in existence. The invention should in no way be limited to the illustrative implementations, drawings, and techniques illustrated below, including the exemplary designs and implementations illustrated and described herein, but may be limited within the scope of the appended claims and their equivalents. Modify within the complete scope of the object.

[0023] Embodiments of an asymmetric frequency response compensator (AFRC), a mobile device incorporating the AFRC, and a method of using the AFRC are disclosed herein. In one embodiment, an AFRC may be employed to compensate for an asymmetrical frequency response at the output of the mixer, as disclosed herein. For example, AFRC can be employed to correct and / or compensate for asym...

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Abstract

A receiver compensation method comprising receiving a radio frequency signal, amplifying the radio frequency signal, thereby producing an amplified signal, compensating the amplified signal, thereby producing a compensated signal, and mixing the compensated signal, thereby producing a mixed compensated signal, wherein the mixed compensated signal has a first gain difference between a positive differential from a center frequency and a negative differential from the center frequency and wherein the first gain differential is smaller than a second gain differential that would be obtained by mixing the amplified signal without compensating the amplified signal.

Description

[0001] Cross References to Related Applications [0002] The present invention requires the invention titled "Compensation device for asymmetric wide passband frequency response in receiver with 25% duty cycle passive mixer" submitted by Yin Ping (Ping Yin) et al. on November 3, 2011 Compensation Apparatus for Receiver Asymmetric Wide Pass-band Frequency Response with 25% Duty Cycle Passive Mixer), the content of which is incorporated herein by reference , as reproduced in full text. [0003] About Federal Sponsored [0004] Statement of Research or Development [0005] Not applicable. [0006] Refer to Microfiche Addendum [0007] Not applicable. technical field [0008] none Background technique [0009] A mobile device can typically be used to communicate with a wireless network, and can generally include a transceiver (eg, a receiver and a transmitter), a local oscillator (LO), and a mixer. In such radio receivers where a passive mixer coupled to a 25% duty cycle ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/12
CPCH04B1/525H04B1/123
Inventor 殷平宋莫·尹王峰罗伯特·格兰特·艾文廖成芳池毓宋
Owner HUAWEI TECH CO LTD