KR0163725B1 - 노이즈 제거 필터회로 - Google Patents
노이즈 제거 필터회로 Download PDFInfo
- Publication number
- KR0163725B1 KR0163725B1 KR1019950017843A KR19950017843A KR0163725B1 KR 0163725 B1 KR0163725 B1 KR 0163725B1 KR 1019950017843 A KR1019950017843 A KR 1019950017843A KR 19950017843 A KR19950017843 A KR 19950017843A KR 0163725 B1 KR0163725 B1 KR 0163725B1
- Authority
- KR
- South Korea
- Prior art keywords
- test mode
- noise filter
- noise
- test
- control signal
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H1/0007—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network of radio frequency interference 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
- H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
- H03H11/0461—Current mode filters
Landscapes
- Semiconductor Integrated Circuits (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (1)
- 칩의 외부 노이즈 보호회로에 있어서, 테스트 단(203)의 테스트 모드 제어신호를 발생하는 테스트 모드 레지스터(200)와, 외부신호단(205)의 외부 노이즈신호를 필터링하는 노이즈필터(202)와, 상기 외부신호단(205)의 외부 노이즈 필터링 바이패스 제어신호에 따라 상기 테스트 모드 레지스터(200) 또는 노이즈 필터(202)의 출력을 선택하는 멀티플렉서(204)로 구성됨을 특징으로 하는 노이즈 제거 필터회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950017843A KR0163725B1 (ko) | 1995-06-28 | 1995-06-28 | 노이즈 제거 필터회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950017843A KR0163725B1 (ko) | 1995-06-28 | 1995-06-28 | 노이즈 제거 필터회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970004303A KR970004303A (ko) | 1997-01-29 |
KR0163725B1 true KR0163725B1 (ko) | 1999-03-20 |
Family
ID=19418532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950017843A Expired - Fee Related KR0163725B1 (ko) | 1995-06-28 | 1995-06-28 | 노이즈 제거 필터회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0163725B1 (ko) |
-
1995
- 1995-06-28 KR KR1019950017843A patent/KR0163725B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR970004303A (ko) | 1997-01-29 |
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Legal Events
Date | Code | Title | Description |
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A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19950628 |
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Patent event code: PA02012R01D Patent event date: 19950628 Comment text: Request for Examination of Application |
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Comment text: Notification of reason for refusal Patent event date: 19980429 Patent event code: PE09021S01D |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19980828 |
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