JPH0445292Y2 - - Google Patents

Info

Publication number
JPH0445292Y2
JPH0445292Y2 JP1985129893U JP12989385U JPH0445292Y2 JP H0445292 Y2 JPH0445292 Y2 JP H0445292Y2 JP 1985129893 U JP1985129893 U JP 1985129893U JP 12989385 U JP12989385 U JP 12989385U JP H0445292 Y2 JPH0445292 Y2 JP H0445292Y2
Authority
JP
Japan
Prior art keywords
filter
filter circuit
resistor
resistance
crystal resonator
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.)
Expired
Application number
JP1985129893U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6150333U (en]
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
Publication of JPS6150333U publication Critical patent/JPS6150333U/ja
Application granted granted Critical
Publication of JPH0445292Y2 publication Critical patent/JPH0445292Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/168—Two amplifying stages are coupled by means of a filter circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/537—A transformer being used as coupling element between two amplifying stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Networks Using Active Elements (AREA)
JP1985129893U 1984-08-27 1985-08-26 Expired JPH0445292Y2 (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/644,741 US4600903A (en) 1984-08-27 1984-08-27 Gain control compensation for bandpass filter with variable bandwidth

Publications (2)

Publication Number Publication Date
JPS6150333U JPS6150333U (en]) 1986-04-04
JPH0445292Y2 true JPH0445292Y2 (en]) 1992-10-26

Family

ID=24586149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985129893U Expired JPH0445292Y2 (en]) 1984-08-27 1985-08-26

Country Status (2)

Country Link
US (1) US4600903A (en])
JP (1) JPH0445292Y2 (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523753A1 (de) * 1985-07-03 1987-01-15 Philips Patentverwaltung Abgleichfreier tiefpass fuer video-recorder
US5543756A (en) * 1995-05-12 1996-08-06 Hewlett-Packard Company Combined crystal and LC filter
US6137379A (en) * 1996-09-23 2000-10-24 Morrill; Russell C. Universal noise controller
US6307442B1 (en) * 1999-05-17 2001-10-23 Maxim Integrated Products Enhanced LC filter with tunable Q
JP2007267095A (ja) * 2006-03-29 2007-10-11 Seiko Npc Corp 受信ｉｃ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680011A (en) * 1970-08-03 1972-07-25 Stanford Research Inst Loss cancelling resonator and filters
US3883833A (en) * 1974-01-07 1975-05-13 Stromberg Carlson Corp Linear phase filter with determinable gain characteristic
SE392010B (sv) * 1976-02-27 1977-03-07 Ericsson Telefon Ab L M Net for kompensering av forlustdempningen temperaturavvikelse i ett passivt filter
JPS5553915A (en) * 1978-10-18 1980-04-19 Seiko Instr & Electronics Ltd Band blocking filter
JPS5577214A (en) * 1978-12-06 1980-06-10 Fujitsu Ten Ltd Selective amplifier
DE3006692C2 (de) * 1980-02-22 1983-04-21 Wandel & Goltermann Gmbh & Co, 7412 Eningen Quarzbandpaß, bei welchem auf die Nichtlinearität des Verlustwiderstandes von Quarzresonatoren Bedacht genommen ist
JPS58191517A (ja) * 1982-05-06 1983-11-08 Oki Electric Ind Co Ltd 水晶フイルタ

Also Published As

Publication number Publication date
JPS6150333U (en]) 1986-04-04
US4600903A (en) 1986-07-15

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