HK74079A - Automatic noise limiter - Google Patents

Automatic noise limiter

Info

Publication number
HK74079A
HK74079A HK740/79A HK74079A HK74079A HK 74079 A HK74079 A HK 74079A HK 740/79 A HK740/79 A HK 740/79A HK 74079 A HK74079 A HK 74079A HK 74079 A HK74079 A HK 74079A
Authority
HK
Hong Kong
Prior art keywords
automatic noise
noise limiter
limiter
automatic
noise
Prior art date
Application number
HK740/79A
Other languages
English (en)
Inventor
J W 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 HK74079A publication Critical patent/HK74079A/xx

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 or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • 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)
HK740/79A 1976-03-25 1979-10-18 Automatic noise limiter HK74079A (en)

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
HK74079A true HK74079A (en) 1979-10-26

Family

ID=24690661

Family Applications (1)

Application Number Title Priority Date Filing Date
HK740/79A HK74079A (en) 1976-03-25 1979-10-18 Automatic noise limiter

Country Status (10)

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

Families Citing this family (14)

* 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
JPH0525897Y2 (ja) * 1986-11-21 1993-06-30
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
WO2014089123A1 (en) 2012-12-03 2014-06-12 Forrest James Brown Low noise detection system using log detector amplifier
WO2014144919A1 (en) 2013-03-15 2014-09-18 Forrest James Brown Power combiner and fixed/adjustable cpl antennas
WO2014144958A1 (en) * 2013-03-15 2014-09-18 Forrest James Brown Frequency selective logarithmic amplifier with intrinsic frequency demodulation capability
US11082014B2 (en) 2013-09-12 2021-08-03 Dockon Ag Advanced amplifier system for ultra-wide band RF communication
CN105765601B (zh) * 2013-09-12 2020-03-06 多康公司 在通信装置的接收链中使用的系统和方法
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
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 (ja) * 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 (ja) * 1973-02-22 1974-10-23

Also Published As

Publication number Publication date
IT1082188B (it) 1985-05-21
DE2713107A1 (de) 1977-09-29
JPS52117047A (en) 1977-10-01
BR7701828A (pt) 1978-01-24
GB1525904A (en) 1978-09-27
CA1070391A (en) 1980-01-22
US4042883A (en) 1977-08-16
MY8000155A (en) 1980-12-31
JPS5731804B2 (ja) 1982-07-07
MX142857A (es) 1981-01-05

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