BR7701828A - Aperfeicoamento em circuito automatico limitador de ruido - Google Patents

Aperfeicoamento em circuito automatico limitador de ruido

Info

Publication number
BR7701828A
BR7701828A BR7701828A BR7701828A BR7701828A BR 7701828 A BR7701828 A BR 7701828A BR 7701828 A BR7701828 A BR 7701828A BR 7701828 A BR7701828 A BR 7701828A BR 7701828 A BR7701828 A BR 7701828A
Authority
BR
Brazil
Prior art keywords
noise
automatic circuit
limiting automatic
limiting
circuit
Prior art date
Application number
BR7701828A
Other languages
English (en)
Inventor
J Rae
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of BR7701828A publication Critical patent/BR7701828A/pt

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Noise Elimination (AREA)
BR7701828A 1976-03-25 1977-03-24 Aperfeicoamento em circuito automatico limitador de ruido BR7701828A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/670,503 US4042883A (en) 1976-03-25 1976-03-25 Automatic noise limiter

Publications (1)

Publication Number Publication Date
BR7701828A true BR7701828A (pt) 1978-01-24

Family

ID=24690661

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7701828A BR7701828A (pt) 1976-03-25 1977-03-24 Aperfeicoamento em circuito automatico limitador de ruido

Country Status (10)

Country Link
US (1) US4042883A (pt)
JP (1) JPS52117047A (pt)
BR (1) BR7701828A (pt)
CA (1) CA1070391A (pt)
DE (1) DE2713107A1 (pt)
GB (1) GB1525904A (pt)
HK (1) HK74079A (pt)
IT (1) IT1082188B (pt)
MX (1) MX142857A (pt)
MY (1) MY8000155A (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5842965B2 (ja) * 1977-08-23 1983-09-22 株式会社日立製作所 リミッタ回路
US4590394A (en) * 1984-03-13 1986-05-20 Motorola, Inc. Signal processing circuit with voltage clamped input
JPS61208524A (ja) * 1985-03-13 1986-09-16 Aisin Seiki Co Ltd 電子機器の安全装置
JPH02192074A (ja) * 1989-01-19 1990-07-27 Sanyo Electric Co Ltd 高域ノイズ軽減回路
US5809085A (en) * 1995-06-28 1998-09-15 Motorola Inc. Apparatus and method for detecting and discriminating various signal types in the presence of impulse distortions
WO2014089122A1 (en) 2012-12-03 2014-06-12 Patrick Rada In medium communication system using log detector amplifier
KR101776450B1 (ko) 2013-03-15 2017-09-19 도콘 아게 범용 복조 기능을 갖춘 로그 증폭기
KR102332682B1 (ko) * 2013-03-15 2021-12-02 도콘 아게 주파수 복조 능력이 내재된 주파수 선택적 대수 증폭기
US11082014B2 (en) 2013-09-12 2021-08-03 Dockon Ag Advanced amplifier system for ultra-wide band RF communication
US11183974B2 (en) * 2013-09-12 2021-11-23 Dockon Ag Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion
KR102226416B1 (ko) * 2013-09-12 2021-03-11 도콘 아게 주파수 변환 없이 고감도 선택적 수신기로서 사용되기 위한 대수 검출 증폭기 시스템
JP7162247B2 (ja) 2018-12-12 2022-10-28 パナソニックＩｐマネジメント株式会社 受信装置及び受信方法
CN113364268B (zh) * 2021-06-16 2022-06-07 北京工业大学 一种功率开关器件降噪装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446565A (en) * 1942-09-29 1948-08-10 Wasmansdorff Carlton Radio receiver noise reducing circuit
NL75416C (pt) * 1944-06-29
US2453958A (en) * 1946-07-20 1948-11-16 Gilbert J C Andresen Signal amplitude limiting system
US2802939A (en) * 1954-03-02 1957-08-13 Collins Radio Co Squelch system
US3064197A (en) * 1960-09-20 1962-11-13 Collins Radio Co Automatic noise limiter circuit
US3102237A (en) * 1961-02-10 1963-08-27 Collins Radio Co Proportional noise limiter
US3493871A (en) * 1967-03-13 1970-02-03 Gen Motors Corp Balanced limiter-detector circuit for radio receiver
JPS49123908U (pt) * 1973-02-22 1974-10-23

Also Published As

Publication number Publication date
DE2713107A1 (de) 1977-09-29
GB1525904A (en) 1978-09-27
JPS52117047A (en) 1977-10-01
MY8000155A (en) 1980-12-31
MX142857A (es) 1981-01-05
JPS5731804B2 (pt) 1982-07-07
IT1082188B (it) 1985-05-21
CA1070391A (en) 1980-01-22
HK74079A (en) 1979-10-26
US4042883A (en) 1977-08-16

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