CN113892236A - 滤波器以及用于发射通道的电路 - Google Patents

滤波器以及用于发射通道的电路 Download PDF

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Publication number
CN113892236A
CN113892236A CN201980096930.2A CN201980096930A CN113892236A CN 113892236 A CN113892236 A CN 113892236A CN 201980096930 A CN201980096930 A CN 201980096930A CN 113892236 A CN113892236 A CN 113892236A
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impedance
network
filter
modulator
output signal
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CN113892236B (zh
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缪卫明
杨帆
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)

Abstract

本申请提供了一种滤波器以及用于发射通道的电路，所述滤波器用于向调制器提供待调制信号，包括：第一滤波组件；第一调节组件，包括阻抗可调节的第一网络，所述第一网络与所述第一滤波组件耦合；控制器，用于根据所述调制器的第一输出信号，调节所述第一网络的阻抗，所述第一输出信号是所述调制器对第一待调制信号进行调制后生成的。上述滤波器可以根据调制器的第一输出信号，相应的调节第一网络的阻抗，从而提高了滤波器的灵活度。

Description

PCT国内申请，说明书已公开。

Claims (28)

  1. PCT国内申请，权利要求书已公开。
CN201980096930.2A 2019-06-06 2019-06-06 滤波器以及用于发射通道的电路 Active CN113892236B (zh)

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PCT/CN2019/090348 WO2020243949A1 (zh) 2019-06-06 2019-06-06 滤波器以及用于发射通道的电路

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CN113892236A true CN113892236A (zh) 2022-01-04
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CN115267394A (zh) * 2022-07-29 2022-11-01 电子科技大学 基于小型电路板磁场探头自动化测量近场emi的测量***

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US6844763B1 (en) * 2002-08-29 2005-01-18 Analog Devices, Inc. Wideband modulation summing network and method thereof
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CN103187982A (zh) * 2011-12-29 2013-07-03 国民技术股份有限公司 一种无线发射机和一种带阻滤波器
CN205039810U (zh) * 2015-09-15 2016-02-17 威胜集团有限公司 无线通信电路和用该电路制成的计量仪表
US20160352496A1 (en) * 2014-02-20 2016-12-01 Telefonaktiebolaget Lm Ericsson (Publ) Circuit and Method for Providing an Adjustable Impedance
CN106656069A (zh) * 2016-09-13 2017-05-10 锐迪科微电子（上海）有限公司 一种应用于gsm射频功率放大器的多频输出匹配网络
CN108028670A (zh) * 2015-08-12 2018-05-11 舒尔获得控股公司 宽带可调谐组合器***
CN109728835A (zh) * 2019-02-19 2019-05-07 深圳市和盈互联科技有限公司 一种多频段收发高隔离度的电路装置

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* Cited by examiner, † Cited by third party
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CN101604984B (zh) * 2009-05-31 2013-01-30 复旦大学 一种超宽带发射机及其设计方法
US20150188312A1 (en) * 2013-12-27 2015-07-02 Cambridge Silicon Radio Limited Electrostatic discharge protection

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491311A (en) * 1966-04-01 1970-01-20 Philips Corp Sine wave oscillator having an externally controlled impedance and an internally controlled impedance for producing linear frequency variations
US6844763B1 (en) * 2002-08-29 2005-01-18 Analog Devices, Inc. Wideband modulation summing network and method thereof
CN1833356A (zh) * 2002-08-29 2006-09-13 模拟设备股份有限公司 调制增益校准的方法及其***
CN101882911A (zh) * 2010-04-30 2010-11-10 苏州英诺迅科技有限公司 提高功率放大器线性度及功率附加效率的滤波电路
CN103155431A (zh) * 2010-08-26 2013-06-12 维斯普瑞公司 可调无线电前端及方法
CN103166595A (zh) * 2011-12-09 2013-06-19 北京北方微电子基地设备工艺研究中心有限责任公司 阻抗匹配器、半导体设备和阻抗匹配方法
CN103187982A (zh) * 2011-12-29 2013-07-03 国民技术股份有限公司 一种无线发射机和一种带阻滤波器
US20160352496A1 (en) * 2014-02-20 2016-12-01 Telefonaktiebolaget Lm Ericsson (Publ) Circuit and Method for Providing an Adjustable Impedance
CN108028670A (zh) * 2015-08-12 2018-05-11 舒尔获得控股公司 宽带可调谐组合器***
CN205039810U (zh) * 2015-09-15 2016-02-17 威胜集团有限公司 无线通信电路和用该电路制成的计量仪表
CN106656069A (zh) * 2016-09-13 2017-05-10 锐迪科微电子（上海）有限公司 一种应用于gsm射频功率放大器的多频输出匹配网络
CN109728835A (zh) * 2019-02-19 2019-05-07 深圳市和盈互联科技有限公司 一种多频段收发高隔离度的电路装置

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WO2020243949A1 (zh) 2020-12-10

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