KR0151261B1 - 펄스폭 변조 회로 - Google Patents
펄스폭 변조 회로 Download PDFInfo
- Publication number
- KR0151261B1 KR0151261B1 KR1019950020840A KR19950020840A KR0151261B1 KR 0151261 B1 KR0151261 B1 KR 0151261B1 KR 1019950020840 A KR1019950020840 A KR 1019950020840A KR 19950020840 A KR19950020840 A KR 19950020840A KR 0151261 B1 KR0151261 B1 KR 0151261B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- delay
- pulse width
- outputting
- clock 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 - Lifetime
Links
- 230000003111 delayed effect Effects 0.000 claims abstract description 13
- 238000010586 diagram Methods 0.000 description 9
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
Landscapes
- Pulse Circuits (AREA)
Abstract
Description
Claims (3)
- 지연 시간을 선택하기 위한 제1선택신호와 최종 펄스신호를 선택하기 위한 제2선택신호를 출력하는 데이타 레지스터와, 외부에서 입력되는 클럭신호를 다단계(N단계)의 지연 시간으로 지연하여 상기 제1선택신호에 따라 하나의 지연된 클럭신호를 출력하는 지연신호발생부와, 상기 외부에서 입력되는 신호와 상기 지연신호발생부의 출력신호를 서로 다른 연산으로 논리 연산하여 2N개의 펄스신호를 생성하고 상기 제2선택신호에 의해 2N개의 펄스신호 중 일 신호를 선택하여 출력하는 논리게이트부를 포함하여 구성됨을 특징으로 하는 펄스폭 변조회로.
- 제1항에 있어서, 상기 지연신호발생부는 상기 외부에서 입력되는 클럭신호를 순차적으로 N배 지연시켜 출력하는 단위 지연회로부와, 상기 단위 지연회로부에서 출력되는 N개의 지연신호 중 상기 제1선택신호에 따라 하나의 신호를 선택하여 출력하는 지연신호 선택부를 포함하여 구성됨을 특징으로 하는 펄스폭 변조회로.
- 제1항에 있어서, 상기 논리 게이트부는 상기 외부에서 입력되는 클럭신호를 반전시키는 인버터와, 상기 인버터에서 반전된 클럭신호와 상기 지연신호발생부에서 출력되는 지연신호를 논리 연산하는 제1논리 게이트와, 상기 외부에서 입력되는 클럭신호와 상기 지연신호발생부에서 출력되는 지연신호를 논리 연산하는 제2논리 게이트와, 상기 제2선택신호에 의해 상기 제1, 제2 논리 게이트의 출력신호중 하나를 PWM 신호를 출력하는 게이트 선택부를 포함하여 구성됨을 특징으로 하는 펄스폭 변조회로.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950020840A KR0151261B1 (ko) | 1995-07-14 | 1995-07-14 | 펄스폭 변조 회로 |
| JP7300511A JP2777982B2 (ja) | 1995-07-14 | 1995-10-26 | パルス幅変調回路 |
| US08/551,784 US5638017A (en) | 1995-07-14 | 1995-11-07 | Pulse width modulation circuit |
| DE19546805A DE19546805C2 (de) | 1995-07-14 | 1995-12-14 | Impulsbreitenmodulationsschaltung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950020840A KR0151261B1 (ko) | 1995-07-14 | 1995-07-14 | 펄스폭 변조 회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970008876A KR970008876A (ko) | 1997-02-24 |
| KR0151261B1 true KR0151261B1 (ko) | 1998-12-15 |
Family
ID=19420686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950020840A Expired - Lifetime KR0151261B1 (ko) | 1995-07-14 | 1995-07-14 | 펄스폭 변조 회로 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5638017A (ko) |
| JP (1) | JP2777982B2 (ko) |
| KR (1) | KR0151261B1 (ko) |
| DE (1) | DE19546805C2 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100400712B1 (ko) * | 2000-05-30 | 2003-10-08 | 엔이씨 일렉트로닉스 코포레이션 | 반도체 장치 |
| US9344072B2 (en) | 2012-08-29 | 2016-05-17 | Abov Semiconductor Co., Ltd. | High-resolution pulse width modulation signal generation circuit and method |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09223952A (ja) * | 1996-02-15 | 1997-08-26 | Mitsubishi Electric Corp | 可変遅延回路とこれを用いたリング発振器及びパルス幅可変回路 |
| US5933050A (en) * | 1996-05-22 | 1999-08-03 | Matsushita Electric Industrial Co., Ltd. | Semiconductor circuit |
| US5841305A (en) * | 1997-03-20 | 1998-11-24 | Cypress Semiconductor Corp. | Circuit and method for adjusting duty cycles |
| JPH1155084A (ja) * | 1997-07-29 | 1999-02-26 | Matsushita Electric Works Ltd | 出力遅延回路 |
| DE19933115A1 (de) * | 1999-07-19 | 2001-01-25 | Mannesmann Vdo Ag | Verfahren zur Modulation eines Grundtaktes für digitale Schaltungen und Taktmodulator zur Ausführung des Verfahrens |
| US6856373B2 (en) | 2000-08-29 | 2005-02-15 | Fujitsu Display Technologies Corporation | Liquid crystal display apparatus and reduction of electromagnetic interference |
| GB0100935D0 (en) * | 2001-01-13 | 2001-02-28 | Riverwood Int Corp | A paperboard carton |
| DE10337418A1 (de) * | 2003-08-14 | 2004-09-23 | Infineon Technologies Ag | Integrierte Digitalschaltung |
| DE10351116B4 (de) * | 2003-11-03 | 2007-11-29 | Infineon Technologies Ag | Frequenzgenerator |
| DE10355320B3 (de) * | 2003-11-27 | 2005-04-14 | Infineon Technologies Ag | Hochauflösender digitaler Pulsweitenmodulator und Verfahren zum Erzeugen eines hochaufgelösten pulsweitenmodulierten Signals |
| US8411716B2 (en) | 2011-01-26 | 2013-04-02 | Institut National D'optique | Circuit assembly for controlling an optical system to generate optical pulses and pulse bursts |
| KR101422961B1 (ko) | 2012-12-27 | 2014-07-23 | 삼성전기주식회사 | 역률 보상 회로 구동 장치 |
| US10463933B2 (en) | 2015-02-19 | 2019-11-05 | Acushnet Company | Weighted iron set |
| US10357697B2 (en) | 2015-02-19 | 2019-07-23 | Acushnet Company | Weighted iron set |
| US11451233B2 (en) | 2020-11-20 | 2022-09-20 | Stmicroelectronics International N.V. | Pulse width modulator with reduced pulse width |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2037959A1 (de) * | 1970-07-30 | 1972-02-10 | Licentia Gmbh | Verfahren und Schaltungsanordnung zum Dar stellen oder Aufzeichnen einer Folge binarer Bits |
| DE3625843A1 (de) * | 1986-07-30 | 1988-02-11 | Siemens Ag | Schirmgitterelektronenroehre, insbesondere sendetetrode hoher leistung und hoher frequenzen |
| US4755704A (en) * | 1987-06-30 | 1988-07-05 | Unisys Corporation | Automatic clock de-skewing apparatus |
| GB8818665D0 (en) * | 1988-08-05 | 1988-09-07 | Crosfield Electronics Ltd | Methods & apparatus for synchronising clock signals |
| JP2949349B2 (ja) * | 1989-06-22 | 1999-09-13 | コニカ株式会社 | パルス幅変調回路 |
| JPH0736515B2 (ja) * | 1989-09-14 | 1995-04-19 | 株式会社東芝 | 位相比較器 |
| US5177481A (en) * | 1990-08-01 | 1993-01-05 | Mita Industrial Co., Ltd. | Data generator for controlling pulse width |
| US5065042A (en) * | 1990-08-01 | 1991-11-12 | Vlsi Technology, Inc. | Self-configuring clock interface circuit |
| US5124573A (en) * | 1990-12-20 | 1992-06-23 | International Business Machines | Adjustable clock chopper/expander circuit |
| US5204559A (en) * | 1991-01-23 | 1993-04-20 | Vitesse Semiconductor Corporation | Method and apparatus for controlling clock skew |
| KR940005785B1 (ko) * | 1991-12-31 | 1994-06-23 | 현대전자산업 주식회사 | 어드레스 전이 검출회로 |
| WO1993014412A1 (fr) * | 1992-01-21 | 1993-07-22 | Advantest Corporation | Circuit de mise en forme de forme d'onde pour dispositif d'essai a semi-conducteur |
| US5208559A (en) * | 1992-05-29 | 1993-05-04 | Analog Devices, Inc. | Pulse shaping system for a pulse width modulation system |
| US5438303A (en) * | 1992-07-14 | 1995-08-01 | Sony Corporation | Pulse with modulation apparatus with plural independably controllable variable delay devices |
| KR950004855B1 (ko) * | 1992-10-30 | 1995-05-15 | 현대전자산업 주식회사 | 반도체 메모리 소자의 어드레스 전이 검출 회로 |
| EP0603851B1 (en) * | 1992-12-22 | 1998-08-26 | Kabushiki Kaisha Toshiba | Duty cycle discriminating circuit |
| JPH06278320A (ja) * | 1993-03-25 | 1994-10-04 | Matsushita Electric Ind Co Ltd | 電子写真装置 |
| US5475322A (en) * | 1993-10-12 | 1995-12-12 | Wang Laboratories, Inc. | Clock frequency multiplying and squaring circuit and method |
| JP2959372B2 (ja) * | 1993-12-03 | 1999-10-06 | 日本電気株式会社 | クロック生成回路 |
-
1995
- 1995-07-14 KR KR1019950020840A patent/KR0151261B1/ko not_active Expired - Lifetime
- 1995-10-26 JP JP7300511A patent/JP2777982B2/ja not_active Expired - Fee Related
- 1995-11-07 US US08/551,784 patent/US5638017A/en not_active Expired - Lifetime
- 1995-12-14 DE DE19546805A patent/DE19546805C2/de not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100400712B1 (ko) * | 2000-05-30 | 2003-10-08 | 엔이씨 일렉트로닉스 코포레이션 | 반도체 장치 |
| US9344072B2 (en) | 2012-08-29 | 2016-05-17 | Abov Semiconductor Co., Ltd. | High-resolution pulse width modulation signal generation circuit and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0936714A (ja) | 1997-02-07 |
| DE19546805A1 (de) | 1997-01-16 |
| US5638017A (en) | 1997-06-10 |
| JP2777982B2 (ja) | 1998-07-23 |
| DE19546805C2 (de) | 1998-01-29 |
| KR970008876A (ko) | 1997-02-24 |
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