KR100326334B1 - 고주파용 능동저역필터 - Google Patents
고주파용 능동저역필터 Download PDFInfo
- Publication number
- KR100326334B1 KR100326334B1 KR1020000037509A KR20000037509A KR100326334B1 KR 100326334 B1 KR100326334 B1 KR 100326334B1 KR 1020000037509 A KR1020000037509 A KR 1020000037509A KR 20000037509 A KR20000037509 A KR 20000037509A KR 100326334 B1 KR100326334 B1 KR 100326334B1
- Authority
- KR
- South Korea
- Prior art keywords
- pass filter
- low pass
- operational amplifier
- series
- resistor
- 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 - Lifetime
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 18
- 230000003321 amplification Effects 0.000 claims abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000001934 delay Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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
-
- 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
- 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
- H03H11/1213—Frequency selective two-port networks using amplifiers with feedback using transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/46—One-port networks
Landscapes
- Networks Using Active Elements (AREA)
Abstract
Description
Claims (2)
- 저항, 커패시터 및 연산증폭기로 구성되는 고주파용 능동 저역통과필터에 있어서, 커패시터 C1과 C2가 직렬로 연결되고 상기 C1과 C2의 접속점과 그라운드와의 사이에 저항 R1이 접속되어진 고역통과필터부와, 저항 R2와 R3가 직렬적으로 연결되고 그 접속점과 제 1연산증폭기(10)의 출력단과의 사이에 커패시터 C4가 접속된 구성의 저역통과필터부와, 제 1연산증폭기(10)와 상기 제 1연산증폭기의 비반전(+) 및 반전(-)입력단자에 연결된 저항 R4, R5 및 R6로 구성된 신호증폭부를 포함하며, 또한 커패시터 C3는 고역통과수단의 출력단과 제 1연산 증폭기의 비반전 입력단과의 접속점과 그라운드와의 사이에 접속되어져 저항 R3와 또 하나의 저역통과필터부를 형성하도록 구성된 제 1저역통과필터(100)와,상기 제 1저역통과필터(100)가 복수개로 직렬로 연결되어 제 2저역통과필터( 200)를 형성하며, 상기 제 2저역통과필터(200)의 출력단과 직렬로 연결되며 군지연보상부와 신호증폭부로 구성되는 등화기를 포함하는 것을 특징으로 하는 고주파용 능동 저역통과필터.
- 제 1항에 있어서, 상기 군지연 보상부는 저항 R1'과 커패시터 C1'이 직렬로 연결되며 그 사이의 접속점과 제 3연산증폭기(30)의 출력단과의 사이에 커패시터 C2'이 접속되어지며, 상기 커패시터 C1'과 제 3증폭연산기(30)의 반전(-)입력단자와의 접속점과 제 3연산증폭기의 출력단과의 사이에 저항 R3'가 접속되고, 제 2저역통과필터의 출력단과 제 4연산증폭기(40)의 반전입력단자와의 사이에 저항 R2'가 접속되어지며,신호증폭부는 상기 제 3연산증폭기의 출력단과 직렬접속을 이루며 제 4연산증폭기(40)의 반전입력단자와의 사이에 저항 R4'가 접속되고, 상기 저항 R4'와 R5'으로 구성되는 것을 특징으로 하는 고주파용 능동 저역통과필터.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000037509A KR100326334B1 (ko) | 2000-07-01 | 2000-07-01 | 고주파용 능동저역필터 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000037509A KR100326334B1 (ko) | 2000-07-01 | 2000-07-01 | 고주파용 능동저역필터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020003724A KR20020003724A (ko) | 2002-01-15 |
KR100326334B1 true KR100326334B1 (ko) | 2002-03-08 |
Family
ID=19675727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000037509A Expired - Lifetime KR100326334B1 (ko) | 2000-07-01 | 2000-07-01 | 고주파용 능동저역필터 |
Country Status (1)
Country | Link |
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KR (1) | KR100326334B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100537333B1 (ko) | 2004-02-06 | 2005-12-16 | 삼성전자주식회사 | 군지연 보상 회로를 가지는 이퀄라이저 |
KR101324197B1 (ko) * | 2007-09-17 | 2013-11-06 | 삼성전자주식회사 | 이퀄라이저 용 필터 |
CN102721691A (zh) * | 2011-04-08 | 2012-10-10 | 南京分析仪器厂有限公司 | 一种磁力机械式氧分析器用减波电路 |
-
2000
- 2000-07-01 KR KR1020000037509A patent/KR100326334B1/ko not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20020003724A (ko) | 2002-01-15 |
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