KR930001247A - Grounding for Radiated EMI Noise Reduction - Google Patents

Grounding for Radiated EMI Noise Reduction Download PDF

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Publication number
KR930001247A
KR930001247A KR1019910010485A KR910010485A KR930001247A KR 930001247 A KR930001247 A KR 930001247A KR 1019910010485 A KR1019910010485 A KR 1019910010485A KR 910010485 A KR910010485 A KR 910010485A KR 930001247 A KR930001247 A KR 930001247A
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KR
South Korea
Prior art keywords
ground
noise
grounded
grounding
circuit
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Application number
KR1019910010485A
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Korean (ko)
Inventor
조원상
Original Assignee
정용문
삼성전자 주식회사
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Application filed by 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019910010485A priority Critical patent/KR930001247A/en
Publication of KR930001247A publication Critical patent/KR930001247A/en

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Abstract

내용 없음No content

Description

방사성 EMI 노이즈 감쇠를 위한 접지 방식Grounding for Radiated EMI Noise Reduction

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제6도는 본 발명에 따른 일점접지 회로도.6 is a one-point ground circuit diagram according to the present invention.

제7도는 본 발명에 따른 다점접지 회로도.7 is a multi-point grounding circuit diagram according to the present invention.

제8도는 본 발명에 따른 복합형 접지 회로도.8 is a complex ground circuit diagram according to the present invention.

Claims (3)

소정 접지물(CH)과 접지할 다수의 회로를 갖는 1점 접지 방식에 있어서, 상기 다수의 회로 1∼n의 접지점들에 저항들(R1∼R3)을 연결하고, 이들 저항들(R1∼R3)의 말단을 공통 접속한뒤 상기 공통접속점을 인덕턴스(L)에 접속한후, 상기 접지물(CH)에 접지함을 특징으로 하는 방사성 EMI 노이즈 감쇠를 위한 접지 방식.In the one-point grounding method having a plurality of circuits to be grounded with a predetermined ground CH, the resistors R1 to R3 are connected to the ground points of the plurality of circuits 1 to n, and these resistors R1 to R3. And a common connection point is connected to an inductance (L), and then grounded to the ground (CH). 소정 접지판(Gp)와 노이즈발생의 정도가 다른 복수의 회로를 갖는 다점접지 방식에 있어서, 상기 노이즈발생정도가 다른 회로중 노이즈가 없는 회로를 상기 접지판(Gp)에 바로 접지하고, 노이즈가 많은 회로를 그 노이즈의 정도에 따라 그에 대응하도록 설정된 인덕턴스를 갖는 인덕터를 경유하여 상기 접지판(Gp)에 접지함을 특징으로 하는 방사성 EMI 노이즈 감쇠를 위한 접지 방식.In a multi-point grounding system having a plurality of circuits having different degrees of noise generation from a predetermined ground plate Gp, a circuit without noise among circuits having different degrees of noise generation is directly grounded to the ground plate Gp, and noise Grounding scheme for attenuating radiated EMI noise, characterized in that many circuits are grounded to the ground plane (Gp) via an inductor having an inductance set correspondingly according to the degree of the noise. 샤시(CH)와 접지패널(Gp)과 아날로그회로 및 노이즈회로와 노이즈 없는 회로들을 갖는 복합 접지 방식에 있어서, 상기 아날로그 회로를 바로 상기 접지패널에 접지하고, 개개의 노이즈를 발생하는 회로를 각기 인덕터를 경유하여 상기 접지패널(Gp)에 접지하며, 노이즈회로 구룹을 각각 접지점들을 공통 접속하고 다시 소정 인덕터를 경유하여 상기 접지패널(Gp)에 접지한뒤, 상기 접지패널(Gp)를 상기 샤시(CH)에 접속함을 특징으로 방사성 EMI 노이즈 감쇠를 위한 접지 방식.In a complex grounding method having a chassis (CH), a ground panel (Gp), an analog circuit, a noise circuit, and a noise-free circuit, the analog circuit is directly grounded to the ground panel, and a circuit generating individual noise is inducted separately. The ground panel Gp is grounded to the ground panel Gp, a noise circuit group is commonly connected to each ground point, and the ground panel Gp is grounded again through a predetermined inductor, and then the ground panel Gp is connected to the chassis. Grounding for radiated EMI noise attenuation. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910010485A 1991-06-24 1991-06-24 Grounding for Radiated EMI Noise Reduction KR930001247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910010485A KR930001247A (en) 1991-06-24 1991-06-24 Grounding for Radiated EMI Noise Reduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910010485A KR930001247A (en) 1991-06-24 1991-06-24 Grounding for Radiated EMI Noise Reduction

Publications (1)

Publication Number Publication Date
KR930001247A true KR930001247A (en) 1993-01-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910010485A KR930001247A (en) 1991-06-24 1991-06-24 Grounding for Radiated EMI Noise Reduction

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030008579A (en) * 2001-07-19 2003-01-29 주식회사 만도 Voltage error prevention circuit by electro magnetic susceptibility

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030008579A (en) * 2001-07-19 2003-01-29 주식회사 만도 Voltage error prevention circuit by electro magnetic susceptibility

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