KR840007322A - 동조형 능동 필터 - Google Patents

동조형 능동 필터 Download PDF

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Publication number
KR840007322A
KR840007322A KR1019840000319A KR840000319A KR840007322A KR 840007322 A KR840007322 A KR 840007322A KR 1019840000319 A KR1019840000319 A KR 1019840000319A KR 840000319 A KR840000319 A KR 840000319A KR 840007322 A KR840007322 A KR 840007322A
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KR
South Korea
Prior art keywords
active filter
tunable active
line
lines
input
Prior art date
Application number
KR1019840000319A
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English (en)
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KR910001630B1 (ko
Inventor
바누(외 1) 미하이
Original Assignee
오레그 이. 엘버
웨스턴 일렉트릭 캄파니 인코포레이티드
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Publication of KR840007322A publication Critical patent/KR840007322A/ko
Application granted granted Critical
Publication of KR910001630B1 publication Critical patent/KR910001630B1/ko

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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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • 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

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  • Networks Using Active Elements (AREA)

Abstract

내용 없음

Description

동조형 능동 필터
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 클럭 주파수라고 하는 시정수를 얻은 방법을 예시하는 본 발명에 따른 필터에 대한 도시도.
제2도는 소신호 RC 동조적분기에 대한 도시도.
제3도는 본 발명에 따른 평형 RC 동조 적분기에 대한 도시도.

Claims (6)

  1. 제1 및 제2입력 선로를 갖춘 증폭기를 구비한 동조형 능동필터로서, 상기 증폭기(제3도), (30)는 평행상태이고, 상기 제1 및 제2선로(31), (32)는 상기 증폭기의 반전 입력(33) 및 비반전 입력(34)과 각각 통신하며, 제1 및 제2궤환선로(35), (36)는 비반전된 출력(37)과 상기 반전 입력(33) 사이에서 각각 통신하며, 반전된 출력(38)과 상기 비반전 입력(34) 사이에서 하나이상의 입력 및 출력 선로쌍은 각선로에 전자 제어저항(39), (40)을 포함하며, 상기 선로쌍중 나머지 선로쌍은 각각의 선로에 리액티브 소자(41), (42)를 포함하는 것을 특징으로 하는 동조형 능동필터.
  2. 제1항에 있어서, 전자 제어 저항은 전계효과 트랜지스터인 것을 특징으로 하는 동조형 능동 필터.
  3. 제1항에 있어서, 상기 리액티브 소자는 커패시터인 것을 특징으로 하는 동조형 능동 필터.
  4. 제1항에 있어서, 상기 입력선로는 상기 제어저항을 각각 포함하고 상기 궤환 선로는 커패시터를 각각 포함하며 이에 의해 고역통과 필터가 구해지는 것을 특징으로 하는 동조형 능동 필터.
  5. 제1항에 있어서, 상기 각각의 선로는 커패시터를 포함하고 상기 각각의 궤환 선로는 제어저항을 포함하며 이에 의해 고역통과 필터가 구해지는 것을 특징으로 하는 동조형 능동 필터.
  6. 제1항에 있어서, 전자 제어 저항은 정확한 전원을 기준으로 하여 제어하는 것을 특징으로 하는 동조형 능동 필터.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840000319A 1983-01-27 1984-01-25 동조형 능동필터 KR910001630B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US461532 1983-01-27
US06/461,532 US4509019A (en) 1983-01-27 1983-01-27 Tunable active filter

Publications (2)

Publication Number Publication Date
KR840007322A true KR840007322A (ko) 1984-12-06
KR910001630B1 KR910001630B1 (ko) 1991-03-16

Family

ID=23832940

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840000319A KR910001630B1 (ko) 1983-01-27 1984-01-25 동조형 능동필터

Country Status (9)

Country Link
US (1) US4509019A (ko)
EP (1) EP0134221B1 (ko)
JP (1) JPH0720042B2 (ko)
KR (1) KR910001630B1 (ko)
CA (1) CA1206543A (ko)
DE (1) DE3381389D1 (ko)
ES (1) ES8501584A1 (ko)
IT (1) IT1173506B (ko)
WO (1) WO1984003009A1 (ko)

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Also Published As

Publication number Publication date
WO1984003009A1 (en) 1984-08-02
IT8419318A0 (it) 1984-01-25
CA1206543A (en) 1986-06-24
KR910001630B1 (ko) 1991-03-16
DE3381389D1 (de) 1990-05-03
EP0134221A1 (en) 1985-03-20
EP0134221B1 (en) 1990-03-28
JPS60500395A (ja) 1985-03-22
US4509019A (en) 1985-04-02
IT1173506B (it) 1987-06-24
ES529138A0 (es) 1984-12-16
EP0134221A4 (en) 1986-04-15
ES8501584A1 (es) 1984-12-16
JPH0720042B2 (ja) 1995-03-06

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