FR2278197A1 - Circuit de filtre passe-bande - Google Patents

Circuit de filtre passe-bande

Info

Publication number
FR2278197A1
FR2278197A1 FR7521433A FR7521433A FR2278197A1 FR 2278197 A1 FR2278197 A1 FR 2278197A1 FR 7521433 A FR7521433 A FR 7521433A FR 7521433 A FR7521433 A FR 7521433A FR 2278197 A1 FR2278197 A1 FR 2278197A1
Authority
FR
France
Prior art keywords
pass filter
filter circuit
band pass
band
circuit
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7521433A
Other languages
English (en)
Other versions
FR2278197B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2278197A1 publication Critical patent/FR2278197A1/fr
Application granted granted Critical
Publication of FR2278197B1 publication Critical patent/FR2278197B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
FR7521433A 1974-07-08 1975-07-08 Circuit de filtre passe-bande Granted FR2278197A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7805974A JPS579530B2 (fr) 1974-07-08 1974-07-08

Publications (2)

Publication Number Publication Date
FR2278197A1 true FR2278197A1 (fr) 1976-02-06
FR2278197B1 FR2278197B1 (fr) 1978-07-28

Family

ID=13651267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521433A Granted FR2278197A1 (fr) 1974-07-08 1975-07-08 Circuit de filtre passe-bande

Country Status (8)

Country Link
US (1) US3969678A (fr)
JP (1) JPS579530B2 (fr)
AU (1) AU501781B2 (fr)
CA (1) CA1044339A (fr)
DE (1) DE2530467C3 (fr)
FR (1) FR2278197A1 (fr)
GB (1) GB1480544A (fr)
IT (1) IT1036467B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415913A1 (fr) * 1978-01-26 1979-08-24 Fujitsu Ltd Circuit de filtrage passe-bande

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1035117B (it) * 1975-03-28 1979-10-20 Selenta Ind Elettroniche Assoc Dispositivo ad alta stabilita per il filtraggio e la discriminayione in frequenza di un segnale elettrico
DE2837538C2 (de) * 1978-08-28 1982-05-19 Gestra- KSB Vertriebsgesellschaft mbH. & Co KG, 2800 Bremen Thermisch gesteuertes Ventil
DE2837537C2 (de) * 1978-08-28 1983-04-28 Gestra-KSB Vertriebsgesellschaft mbH & Co KG, 2800 Bremen Mehrstufiges, thermostatisches Ventil
JPS5575361A (en) * 1978-12-04 1980-06-06 Oki Electric Ind Co Ltd Time-division multi-direction multiple transmission system
JPS59174241U (ja) * 1983-05-09 1984-11-21 ロ−ム株式会社 テ−プ式印刷面払拭装置
JPS6063685A (ja) * 1983-09-16 1985-04-12 Nec Corp 座標入力装置用雑音除去回路
DE3402441A1 (de) * 1984-01-25 1985-08-01 Gestra Ag, 2800 Bremen Kondensatableiter mit thermischem steuerelement
JPS60214617A (ja) * 1984-04-11 1985-10-26 Hitachi Ltd フイルタ集積回路
JPS6147640U (ja) * 1984-08-31 1986-03-31 ナビタス株式会社 パツド印刷機のパツド刷面浄化装置
JPH034516Y2 (fr) * 1984-10-18 1991-02-06
JP2560093B2 (ja) * 1988-10-05 1996-12-04 シャープ株式会社 Ｆｍチューナ
EP0496451B1 (fr) * 1991-01-24 1996-11-13 Koninklijke Philips Electronics N.V. Processeur de signal non-linéaire
US5353311A (en) * 1992-01-09 1994-10-04 Nec Corporation Radio transmitter
JPH087059A (ja) * 1994-06-21 1996-01-12 Sony Chem Corp 非接触情報カード
US5548398A (en) * 1994-11-22 1996-08-20 Eastman Kodak Company Illuminant discriminator providing detection of high efficiency illumination
SE519372C2 (sv) * 2001-03-09 2003-02-18 Nat Semiconductor Corp Metod och krets för filtertrimning
US7203474B2 (en) * 2001-10-24 2007-04-10 Rohm Co., Ltd. Receiver system
AU2003244763A1 (en) * 2002-05-31 2003-12-19 Matsushita Electric Industrial Co., Ltd. Bandwidth adaptation rule for adaptive noise filter for inverse filtering with improved disturbance rejection bandwidth and speed
US7567133B2 (en) * 2006-04-06 2009-07-28 Mosaid Technologies Corporation Phase-locked loop filter capacitance with a drag current
US7982547B2 (en) * 2009-03-30 2011-07-19 Infineon Technologies Ag Phase locked loop-based tuning adjustable filter
CN102624360B (zh) * 2012-04-05 2015-06-10 四川和芯微电子股份有限公司 具有自动调节输出信号占空比功能的倍频电路及系统
CN116915223B (zh) * 2023-08-01 2024-02-27 合芯科技(苏州)有限公司 一种延迟电路及滤波器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714588A (en) * 1970-10-13 1973-01-30 Nasa Self tuning bandpass filter
US3678416A (en) * 1971-07-26 1972-07-18 Richard S Burwen Dynamic noise filter having means for varying cutoff point
US3835399A (en) * 1972-01-24 1974-09-10 R Holmes Adjustable electronic tunable filter with simulated inductor
JPS5641010B2 (fr) * 1972-06-14 1981-09-25
US3786363A (en) * 1973-01-05 1974-01-15 Us Navy Voltage-controlled low-pass filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415913A1 (fr) * 1978-01-26 1979-08-24 Fujitsu Ltd Circuit de filtrage passe-bande

Also Published As

Publication number Publication date
CA1044339A (fr) 1978-12-12
AU501781B2 (en) 1979-06-28
JPS579530B2 (fr) 1982-02-22
DE2530467A1 (de) 1976-01-29
FR2278197B1 (fr) 1978-07-28
DE2530467C3 (de) 1978-04-27
IT1036467B (it) 1979-10-30
DE2530467B2 (de) 1977-08-18
AU8284775A (en) 1977-01-13
US3969678A (en) 1976-07-13
GB1480544A (en) 1977-07-20
JPS517849A (fr) 1976-01-22

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Legal Events

Date Code Title Description
ST Notification of lapse