JPS6079815A - フイルタ集積回路 - Google Patents

フイルタ集積回路

Info

Publication number
JPS6079815A
JPS6079815A JP18691383A JP18691383A JPS6079815A JP S6079815 A JPS6079815 A JP S6079815A JP 18691383 A JP18691383 A JP 18691383A JP 18691383 A JP18691383 A JP 18691383A JP S6079815 A JPS6079815 A JP S6079815A
Authority
JP
Japan
Prior art keywords
capacitance
varicap
integrated circuit
circuit
capacitor
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
JP18691383A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0113242B2 (OSRAM
Inventor
Yoshinori Okada
義憲 岡田
Kuniaki Miura
三浦　邦昭
Isao Fukushima
福島　勇夫
Masahiro Sasaki
佐々木　昌弘
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.)
Hitachi Ltd
Hitachi Industry and Control Solutions Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Video Engineering Co 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 Hitachi Ltd, Hitachi Video Engineering Co Ltd filed Critical Hitachi Ltd
Priority to JP18691383A priority Critical patent/JPS6079815A/ja
Publication of JPS6079815A publication Critical patent/JPS6079815A/ja
Publication of JPH0113242B2 publication Critical patent/JPH0113242B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1291—Current or voltage controlled filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1295—Parallel-T filters

Landscapes

  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)
JP18691383A 1983-10-07 1983-10-07 フイルタ集積回路 Granted JPS6079815A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18691383A JPS6079815A (ja) 1983-10-07 1983-10-07 フイルタ集積回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18691383A JPS6079815A (ja) 1983-10-07 1983-10-07 フイルタ集積回路

Publications (2)

Publication Number Publication Date
JPS6079815A true JPS6079815A (ja) 1985-05-07
JPH0113242B2 JPH0113242B2 (OSRAM) 1989-03-06

Family

ID=16196876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18691383A Granted JPS6079815A (ja) 1983-10-07 1983-10-07 フイルタ集積回路

Country Status (1)

Country Link
JP (1) JPS6079815A (OSRAM)

Also Published As

Publication number Publication date
JPH0113242B2 (OSRAM) 1989-03-06

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