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RF circuits and electronic equipment

A technology of radio frequency circuit and radio frequency transceiver circuit, applied in the field of communication, can solve the problem of poor harmonic filtering effect, etc., to improve the effect of harmonic elimination

Active Publication Date: 2022-07-08
VIVO MOBILE COMM CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The embodiment of the present application provides a radio frequency circuit and electronic equipment to solve the problem of poor harmonic filtering effect

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  • RF circuits and electronic equipment
  • RF circuits and electronic equipment

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Embodiment Construction

[0015] The following will describe in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0016] The features of the terms "first" and "second" in the description and claims of this application may expressly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "plurality" means two or m...

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Abstract

The present application provides a radio frequency circuit and electronic equipment. The radio frequency circuit includes a radio frequency chip, a first radio frequency transceiver circuit, a second radio frequency transceiver path, a second antenna and a harmonic control circuit. The first radio frequency transceiver circuit includes a first radio frequency transceiver path. , a harmonic detection circuit and a first antenna, one end of the first radio frequency transceiver path is electrically connected to the radio frequency chip, the other end is electrically connected to the first antenna through the harmonic detection circuit; one end of the second radio frequency transceiver path is electrically connected to the radio frequency chip, The other end is electrically connected to the second antenna; the input end of the harmonic control circuit is electrically connected to the harmonic detection circuit, and the output end is electrically connected to the radio frequency chip; the radio frequency chip is used to reduce the throughput of the second antenna at a rate greater than a preset value Under the circumstance, according to the currently detected first harmonic signal, the second harmonic signal is carried in the radio frequency signal output to the first radio frequency transceiver circuit, and the second harmonic signal can pass through the first radio frequency transceiver path to cancel or Attenuates the first harmonic signal.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular, to a radio frequency circuit and an electronic device. Background technique [0002] In the current radio frequency multi-frequency communication system, the problem of interference is a big problem. With the advent of the fifth-generation mobile communication technology (5G) era, there are more frequency band plans and more coexistence scenarios. For example, when Long Term Evolution (LTE) and 5G New Radio (New Radio, NR) coexist, 2.4G WIFI and 5G NR (also called NR), LTE or 2.4G Wireless Fidelity (Wireless Fidelity, WIFI) and NR coexist , For NR communication, most of the interference is the second harmonic interference of LTE or 2.4G WIFI. In order to reduce the harmonic interference, the conventional method is to add an attenuation circuit to filter out the harmonics, but in the realization of the application of the During the process, the inventor foun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/40H04B15/00
CPCH04B1/40H04B15/00Y02D30/70
Inventor 崔琳
Owner VIVO MOBILE COMM CO LTD