CN113439219A - 一种放大电路、补偿方法及雷达 - Google Patents

一种放大电路、补偿方法及雷达 Download PDF

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Publication number
CN113439219A
CN113439219A CN202080004214.XA CN202080004214A CN113439219A CN 113439219 A CN113439219 A CN 113439219A CN 202080004214 A CN202080004214 A CN 202080004214A CN 113439219 A CN113439219 A CN 113439219A
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circuit
conductive element
compensation
unidirectional conductive
transimpedance amplifier
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周佳源
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SZ DJI Technology Co Ltd
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SZ DJI Technology Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/116—Visible light communication

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)

Abstract

一种放大电路(10)包括：光电转换装置(101)，用于将光信号转换为光电流；跨阻放大器(103)，与该光电转换装置(101)连接，用于将接收的电流放大并输出为电压信号；具有单向导通特性的保护装置(102)，与该光电转换装置(101)并联于该跨阻放大器(103)，用于将该跨阻放大器(103)接收的电流控制在预设范围内；补偿装置(104)，与该跨阻放大器(103)连接，用于输出补偿电流，该补偿电流用于抵消该保护装置在非导通状态下产生的额外电流。实现了在引入保护装置(102)保护放大电路的同时，通过补偿装置(104)弥补保护装置产生的额外电流对放大电路造成的误差。

Description

PCT国内申请，说明书已公开。

Claims (27)

  1. PCT国内申请，权利要求书已公开。
CN202080004214.XA 2020-01-06 2020-01-06 一种放大电路、补偿方法及雷达 Pending CN113439219A (zh)

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PCT/CN2020/070499 WO2021138769A1 (zh) 2020-01-06 2020-01-06 一种放大电路、补偿方法及雷达

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114114212A (zh) * 2022-01-28 2022-03-01 探维科技(北京)有限公司 脉冲信号的放大电路、回波信号接收系统及激光雷达
CN115824274A (zh) * 2021-12-01 2023-03-21 深圳市速腾聚创科技有限公司 光检测电路及光电系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115877395A (zh) * 2023-02-01 2023-03-31 深圳煜炜光学科技有限公司 一种激光雷达及其测距方法
CN115980708B (zh) * 2023-03-21 2023-06-02 北醒（北京）光子科技有限公司 一种激光雷达的强光保护系统及方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5696657A (en) * 1995-06-02 1997-12-09 Hughes Electronics Temperature compensated APD detector bias and transimpedance amplifier circuitry for laser range finders
US20050023443A1 (en) * 2003-07-30 2005-02-03 Nec Compound Semiconductor Devices, Ltd. Photocurrent-to-voltage conversion apparatus including non-diode-connected clamping MOS transistor
CN1945240A (zh) * 2005-10-03 2007-04-11 美国凹凸微系有限公司 光探测器
CN102185647A (zh) * 2011-03-02 2011-09-14 厦门优迅高速芯片有限公司 一种光电流监控装置
CN203522167U (zh) * 2013-10-11 2014-04-02 武汉电信器件有限公司 具有雪崩光电二极管和跨阻放大器的光检测器的过载保护电路
CN104868949A (zh) * 2015-04-08 2015-08-26 厦门优迅高速芯片有限公司 一种应用于跨阻放大电路的光电流监控电路
CN108663672A (zh) * 2017-03-27 2018-10-16 亚德诺半导体集团 用于长距离激光雷达的高动态范围模拟前端接收器
CN109756269A (zh) * 2019-01-23 2019-05-14 西安电子科技大学 一种可见光通信接收电路
CN209310835U (zh) * 2018-12-21 2019-08-27 潍坊歌尔电子有限公司 一种光学传感器的检测装置
CN110535534A (zh) * 2019-08-08 2019-12-03 北京炬力北方微电子股份有限公司 光接收器前端及接收光信号的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6593810B2 (en) * 2001-03-16 2003-07-15 Intel Corporation 2.5 Gigabits-per-second transimpedance amplifier
US7368999B2 (en) * 2006-07-10 2008-05-06 Jds Uniphase Corporation DC offset cancellation for a trans-impedance amplifier
CN104617570A (zh) * 2015-01-08 2015-05-13 武汉电信器件有限公司 一种大光输入a/d采样过压保护电路
CN204498130U (zh) * 2015-03-20 2015-07-22 深圳光启智能光子技术有限公司 光电转换电路及光信号接收机
CN107171723A (zh) * 2016-03-08 2017-09-15 深圳光启智能光子技术有限公司 光噪去除电路以及光接收器
CN110488174B (zh) * 2019-08-26 2021-05-04 上海禾赛科技股份有限公司 光电二极管的击穿电压测试
CN110515490B (zh) * 2019-08-27 2023-05-05 广州华欣电子科技有限公司 信号处理电路

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5696657A (en) * 1995-06-02 1997-12-09 Hughes Electronics Temperature compensated APD detector bias and transimpedance amplifier circuitry for laser range finders
US20050023443A1 (en) * 2003-07-30 2005-02-03 Nec Compound Semiconductor Devices, Ltd. Photocurrent-to-voltage conversion apparatus including non-diode-connected clamping MOS transistor
CN1945240A (zh) * 2005-10-03 2007-04-11 美国凹凸微系有限公司 光探测器
CN102185647A (zh) * 2011-03-02 2011-09-14 厦门优迅高速芯片有限公司 一种光电流监控装置
CN203522167U (zh) * 2013-10-11 2014-04-02 武汉电信器件有限公司 具有雪崩光电二极管和跨阻放大器的光检测器的过载保护电路
CN104868949A (zh) * 2015-04-08 2015-08-26 厦门优迅高速芯片有限公司 一种应用于跨阻放大电路的光电流监控电路
CN108663672A (zh) * 2017-03-27 2018-10-16 亚德诺半导体集团 用于长距离激光雷达的高动态范围模拟前端接收器
CN209310835U (zh) * 2018-12-21 2019-08-27 潍坊歌尔电子有限公司 一种光学传感器的检测装置
CN109756269A (zh) * 2019-01-23 2019-05-14 西安电子科技大学 一种可见光通信接收电路
CN110535534A (zh) * 2019-08-08 2019-12-03 北京炬力北方微电子股份有限公司 光接收器前端及接收光信号的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115824274A (zh) * 2021-12-01 2023-03-21 深圳市速腾聚创科技有限公司 光检测电路及光电系统
CN115824274B (zh) * 2021-12-01 2024-03-01 深圳市速腾聚创科技有限公司 光检测电路及光电系统
CN114114212A (zh) * 2022-01-28 2022-03-01 探维科技(北京)有限公司 脉冲信号的放大电路、回波信号接收系统及激光雷达

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