TW200733864A - Audio-frequency circuit for restraining EMI - Google Patents

Audio-frequency circuit for restraining EMI

Info

Publication number
TW200733864A
TW200733864A TW095105192A TW95105192A TW200733864A TW 200733864 A TW200733864 A TW 200733864A TW 095105192 A TW095105192 A TW 095105192A TW 95105192 A TW95105192 A TW 95105192A TW 200733864 A TW200733864 A TW 200733864A
Authority
TW
Taiwan
Prior art keywords
audio
grounding
emi
restraining
frequency circuit
Prior art date
Application number
TW095105192A
Other languages
Chinese (zh)
Other versions
TWI280844B (en
Inventor
Wu-Shen Yeh
Original Assignee
Mitac Int Corp
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 Mitac Int Corp filed Critical Mitac Int Corp
Priority to TW95105192A priority Critical patent/TWI280844B/en
Application granted granted Critical
Publication of TWI280844B publication Critical patent/TWI280844B/en
Publication of TW200733864A publication Critical patent/TW200733864A/en

Links

Landscapes

  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

An audio-frequency circuit for restraining EMI includes a substrate, an audio connector, an audio treatment chip and a grounding capacitor. Wherein, the substrate has an audio grounding area, an audio grounding line and a ground. The audio connector has an audio grounding terminal connected to the audio grounding area by the audio grounding line. In addition, the grounding capacity is disposed on the substrate and near the audio connector, and the grounding capacitor has a first terminal connected to the audio grounding line and a second terminal connected to the ground to eliminate EMI noise on the audio grounding line.
TW95105192A 2006-02-16 2006-02-16 Audio-frequency circuit for restraining EMI TWI280844B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW95105192A TWI280844B (en) 2006-02-16 2006-02-16 Audio-frequency circuit for restraining EMI

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW95105192A TWI280844B (en) 2006-02-16 2006-02-16 Audio-frequency circuit for restraining EMI

Publications (2)

Publication Number Publication Date
TWI280844B TWI280844B (en) 2007-05-01
TW200733864A true TW200733864A (en) 2007-09-01

Family

ID=38742620

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95105192A TWI280844B (en) 2006-02-16 2006-02-16 Audio-frequency circuit for restraining EMI

Country Status (1)

Country Link
TW (1) TWI280844B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8612034B2 (en) 2010-07-22 2013-12-17 Hon Hai Precision Industry Co., Ltd. Printed circuit board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8612034B2 (en) 2010-07-22 2013-12-17 Hon Hai Precision Industry Co., Ltd. Printed circuit board

Also Published As

Publication number Publication date
TWI280844B (en) 2007-05-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees