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Title:
DRIVING CIRCUIT AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/007794
Kind Code:
A1
Abstract:
The present application relates to the technical field of electronics, and provides a driving circuit and an electronic device, used for simplifying the structure of the driving circuit and reducing the design complexity while reducing the power consumption. The driving circuit is applied to a transmitting circuit in an electronic device supporting full-duplex communication, and comprises: a trans-impedance amplifier comprising a transconductor, a first driving stage, a second driving stage, a first feedback circuit and a second feedback circuit, wherein two input ends of the transconductor are respectively coupled to one end of the first feedback circuit and one end of the second feedback circuit, two output ends of the transconductor are respectively connected to the input end of the first driving stage and the input end of the second driving stage, the other end of the first feedback circuit and the other end of the second feedback circuit are respectively coupled to one output end of the first driving stage and one output end of the second driving stage, and the other end of the first driving stage and the other end of the second driving stage serve as differential output ends of the trans-impedance amplifier; and a hybrid circuit comprising a first impedance circuit and a second impedance circuit which are cross-coupled between the two output ends of the first driving stage and the second driving stage.

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Inventors:
SUI XIN (CN)
XU LE (CN)
GU DONGMING (CN)
Application Number:
PCT/CN2023/098387
Publication Date:
January 11, 2024
Filing Date:
June 05, 2023
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04B1/38; H02M1/08; H04B1/04; H04L5/14
Foreign References:
CN104871428A2015-08-26
CN106992761A2017-07-28
CN103297085A2013-09-11
US20170201280A12017-07-13
US20130137386A12013-05-30
US10200067B12019-02-05
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (CN)
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