JPS5882320A - 切換自在の平滑フィルタ手段を具えている回路 - Google Patents

切換自在の平滑フィルタ手段を具えている回路

Info

Publication number
JPS5882320A
JPS5882320A JP57186220A JP18622082A JPS5882320A JP S5882320 A JPS5882320 A JP S5882320A JP 57186220 A JP57186220 A JP 57186220A JP 18622082 A JP18622082 A JP 18622082A JP S5882320 A JPS5882320 A JP S5882320A
Authority
JP
Japan
Prior art keywords
resistor
output terminal
capacitor
amplifier
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
JP57186220A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0468810B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
デイ−タ−・クンツエ
ゲルト・オンケン
イエルク・ヴオルバ−
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPS5882320A publication Critical patent/JPS5882320A/ja
Publication of JPH0468810B2 publication Critical patent/JPH0468810B2/ja
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
    • H03L7/06—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7221—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by a switch at the output of the amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Control Of Electrical Variables (AREA)
  • Filters And Equalizers (AREA)
JP57186220A 1981-10-28 1982-10-25 切換自在の平滑フィルタ手段を具えている回路 Granted JPS5882320A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813142612 DE3142612A1 (de) 1981-10-28 1981-10-28 Schaltungsanordnung mit einem umschaltbaren glaettungsglied
DE3142612.3 1981-10-28

Publications (2)

Publication Number Publication Date
JPS5882320A true JPS5882320A (ja) 1983-05-17
JPH0468810B2 JPH0468810B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-11-04

Family

ID=6144946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57186220A Granted JPS5882320A (ja) 1981-10-28 1982-10-25 切換自在の平滑フィルタ手段を具えている回路

Country Status (4)

Country Link
US (1) US4849663A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0078084B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5882320A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3142612A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02174414A (ja) * 1988-12-27 1990-07-05 Hitachi Ltd 半導体集積回路装置
JP2748676B2 (ja) * 1990-09-19 1998-05-13 日本電気株式会社 Ｐｌｌ回路
US5444312A (en) * 1992-05-04 1995-08-22 Compaq Computer Corp. Soft switching circuit for audio muting or filter activation
US5394028A (en) * 1992-06-26 1995-02-28 Motorola, Inc. Apparatus for transitioning between power supply levels
US5794130A (en) * 1994-04-26 1998-08-11 Funai Electric Engineering Company Limited Wireless communication system having improved PLL circuits
DE19611219A1 (de) * 1996-03-21 1997-09-25 Fraunhofer Ges Forschung Phasenregelschleife mit umschaltbarer Schleifenbandbreite
US5841324A (en) * 1996-06-20 1998-11-24 Harris Corporation Charge-based frequency locked loop and method
AT513104B1 (de) * 2012-07-10 2015-11-15 Felix Dipl Ing Dr Himmelstoss Vorrichtung zur Konstanthaltung der Frequenz eines spannungsgesteuerten Oszillators

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333029A (en) * 1976-09-09 1978-03-28 Nec Corp Cut-off frequency variable filter
JPS5843031U (ja) * 1981-09-17 1983-03-23 パイオニア株式会社 低域通過型フイルタ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828419A (en) * 1954-10-11 1958-03-25 Gen Electric Automatic frequency control system
US3893034A (en) * 1958-11-04 1975-07-01 Bell Telephone Labor Inc Smoothing circuits
US3287657A (en) * 1963-04-09 1966-11-22 Ericsson Telefon Ab L M Phase controlled oscillator with a variable synchronizing range
US3408590A (en) * 1966-10-31 1968-10-29 Bell Telephone Labor Inc Active hybrid filter using frequency emphasizing and attenuating networks
DE2159223A1 (de) * 1971-11-30 1973-06-14 Licentia Gmbh Zeilensynchronisierschaltung mit umschaltbarer zeitkonstante fuer einen fernsehempfaenger
US3909735A (en) * 1974-04-04 1975-09-30 Ncr Co Slow switch for bandwidth change in phase-locked loop
US4007429A (en) * 1976-01-19 1977-02-08 Gte International Incorporated Phase-locked loop having a switched lowpass filter
US4142110A (en) * 1977-04-07 1979-02-27 Fa. Weber Lichtsteuergerate Kg. Circuit to eliminate DC bias
US4156855A (en) * 1978-01-26 1979-05-29 Rca Corporation Phase-locked loop with variable gain and bandwidth
GB2017444B (en) * 1978-03-14 1982-05-26 Secr Defence Active filter network
US4540946A (en) * 1980-06-06 1985-09-10 National Research Development Corp. Variable characteristic filters
US4482869A (en) * 1982-04-13 1984-11-13 Pioneer Electronic Corporation PLL Detection circuit having dual bandwidth loop filter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333029A (en) * 1976-09-09 1978-03-28 Nec Corp Cut-off frequency variable filter
JPS5843031U (ja) * 1981-09-17 1983-03-23 パイオニア株式会社 低域通過型フイルタ

Also Published As

Publication number Publication date
DE3142612A1 (de) 1983-05-11
US4849663A (en) 1989-07-18
JPH0468810B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-11-04
EP0078084A2 (de) 1983-05-04
EP0078084A3 (en) 1984-10-10
DE3279067D1 (en) 1988-10-27
EP0078084B1 (de) 1988-09-21

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