JPS579530B2 - - Google Patents

Info

Publication number
JPS579530B2
JPS579530B2 JP7805974A JP7805974A JPS579530B2 JP S579530 B2 JPS579530 B2 JP S579530B2 JP 7805974 A JP7805974 A JP 7805974A JP 7805974 A JP7805974 A JP 7805974A JP S579530 B2 JPS579530 B2 JP S579530B2
Authority
JP
Japan
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.)
Expired
Application number
JP7805974A
Other versions
JPS517849A (ja
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 filed Critical
Priority to JP7805974A priority Critical patent/JPS579530B2/ja
Priority to GB27644/75A priority patent/GB1480544A/en
Priority to US05/593,126 priority patent/US3969678A/en
Priority to CA230,946A priority patent/CA1044339A/en
Priority to IT68771/75A priority patent/IT1036467B/it
Priority to FR7521433A priority patent/FR2278197A1/fr
Priority to AU82847/75A priority patent/AU501781B2/en
Priority to DE2530467A priority patent/DE2530467C3/de
Publication of JPS517849A publication Critical patent/JPS517849A/ja
Publication of JPS579530B2 publication Critical patent/JPS579530B2/ja
Expired 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

Landscapes

  • Filters And Equalizers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Networks Using Active Elements (AREA)
JP7805974A 1974-07-08 1974-07-08 Expired JPS579530B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP7805974A JPS579530B2 (ja) 1974-07-08 1974-07-08
GB27644/75A GB1480544A (en) 1974-07-08 1975-07-01 Band pass filter circuit
US05/593,126 US3969678A (en) 1974-07-08 1975-07-03 Band pass filter circuit with automatic bandwidth adjust
CA230,946A CA1044339A (en) 1974-07-08 1975-07-07 Band pass filter circuit
IT68771/75A IT1036467B (it) 1974-07-08 1975-07-08 Circuito filtro passaband a variazione di larghezza di banda
FR7521433A FR2278197A1 (fr) 1974-07-08 1975-07-08 Circuit de filtre passe-bande
AU82847/75A AU501781B2 (en) 1974-07-08 1975-07-08 Bandpass filter circuit
DE2530467A DE2530467C3 (de) 1974-07-08 1975-07-08 Bandpaßfilter-Schaltung

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS517849A JPS517849A (ja) 1976-01-22
JPS579530B2 true JPS579530B2 (ja) 1982-02-22

Family

ID=13651267

Family Applications (1)

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

Country Status (8)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH034516Y2 (ja) * 1984-10-18 1991-02-06
JPH034515Y2 (ja) * 1983-05-09 1991-02-06
JPH037157Y2 (ja) * 1984-08-31 1991-02-22

Families Citing this family (20)

* 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
JPS54100639A (en) * 1978-01-26 1979-08-08 Fujitsu Ltd Band-pass filter circuit
DE2837537C2 (de) * 1978-08-28 1983-04-28 Gestra-KSB Vertriebsgesellschaft mbH & Co KG, 2800 Bremen Mehrstufiges, thermostatisches Ventil
DE2837538C2 (de) * 1978-08-28 1982-05-19 Gestra- KSB Vertriebsgesellschaft mbH. & Co KG, 2800 Bremen Thermisch gesteuertes Ventil
JPS5575361A (en) * 1978-12-04 1980-06-06 Oki Electric Ind Co Ltd Time-division multi-direction multiple transmission system
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
JP2560093B2 (ja) * 1988-10-05 1996-12-04 シャープ株式会社 Ｆｍチューナ
EP0496451B1 (en) * 1991-01-24 1996-11-13 Koninklijke Philips Electronics N.V. Non-linear signal processor
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
CN1656699A (zh) * 2002-05-31 2005-08-17 松下电器产业株式会社 具有改进的干扰抑制带宽和速度的反相滤波的自适应噪声滤波器的带宽自适应规则
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 (ja) * 1972-06-14 1981-09-25
US3786363A (en) * 1973-01-05 1974-01-15 Us Navy Voltage-controlled low-pass filter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH034515Y2 (ja) * 1983-05-09 1991-02-06
JPH037157Y2 (ja) * 1984-08-31 1991-02-22
JPH034516Y2 (ja) * 1984-10-18 1991-02-06

Also Published As

Publication number Publication date
FR2278197B1 (ja) 1978-07-28
GB1480544A (en) 1977-07-20
DE2530467C3 (de) 1978-04-27
JPS517849A (ja) 1976-01-22
FR2278197A1 (fr) 1976-02-06
CA1044339A (en) 1978-12-12
IT1036467B (it) 1979-10-30
US3969678A (en) 1976-07-13
AU8284775A (en) 1977-01-13
AU501781B2 (en) 1979-06-28
DE2530467B2 (de) 1977-08-18
DE2530467A1 (de) 1976-01-29

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