KR900013727A - 디지탈/아날로그 변환기 - Google Patents
디지탈/아날로그 변환기 Download PDFInfo
- Publication number
- KR900013727A KR900013727A KR1019900000311A KR900000311A KR900013727A KR 900013727 A KR900013727 A KR 900013727A KR 1019900000311 A KR1019900000311 A KR 1019900000311A KR 900000311 A KR900000311 A KR 900000311A KR 900013727 A KR900013727 A KR 900013727A
- Authority
- KR
- South Korea
- Prior art keywords
- output
- digital
- pulse width
- grounding
- digital signal
- Prior art date
Links
- 230000037431 insertion Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 3
- 238000005070 sampling Methods 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L24/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/0555—Shape
- H01L2224/05552—Shape in top view
- H01L2224/05554—Shape in top view being square
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/14—Integrated circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19107—Disposition of discrete passive components off-chip wires
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/82—Digital/analogue converters with intermediate conversion to time interval
- H03M1/822—Digital/analogue converters with intermediate conversion to time interval using pulse width modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원 발명이 적용되는 노이즈 쉐이핑 1비트 D/A 변환기의 전체의 블록도.
제2도는 디치레벨 아날로그 출력을 발생하기 위한 PWM형 D/A변환기의 구성을 나타내는 블록도.
제3도는 제2도의 동작을 설명하기 위한 파형도.
Claims (3)
- 샘플링주파수 fs를 가진 원래의 디지털 신호를 공급받아 샘플링 주파수 Nfe(N〉1)와 상기 원래의 디지털신호보다 비트수가 작은 수정디지탈 신호를 발생하기 위한 디지털삽입필터수단과, 상기 수정디지탈신호를 공급받아 상기 수정디지탈신호에 대응하는 펄스 폭을 가진 펄스 신호를 발생하기 위한 펄스폭변조수단과, 상기 펄스폭변조수단의 출력을 공급받아 P채널 및 N채널트랜지스터로 이루어진 CMOS인버터회로를 가진 출력버퍼수단과, 상기 출력버퍼수단의 출력을 공급받는 로우패스필터수단으로 이루어지며, 상기 디지털삽입필터수단, 상기 펄스폭변조수단 및 상기 출력버퍼 수단을 집적회로로 형성되며, 상기 P채널 및 N채널트랜지스터 중 하나는 그 기판에 공급되는 전압을 제어하여 저항치를 저항치를 조정하는 수단을 가지는 것을 특징으로 하는 디지털/아날로그 변환기.
- 제1항에 있어서, 상기 출력버퍼수단은 제1출력을 발생하는 제1CMOS인버터회로와, 제2출력을 발생하기 위하여 직렬로 접속된 제2 및 제3 CMOS인버터회로를 구비하며, 상기 로우패스필터수단은 상기 제1출력을 공급받은 제1로우패스필터와, 상기 제2출력을 공급받는 제2로울패스필터와, 상기 제1및 제2로우패스필터의 출력을공급받는 차동회로를 구비하는 것을 특징으로 하는 디지털/아날로그 변환기.
- 제1항에 있어서, 상기 집적회로는 최소한 상기 디지털 삽입필터 수단과 펄스 폭변조 수단을 포함하는 제1회로부를 접지하는 제1접지 수단과, 최소한 상기 출력버퍼수단을 포함하는 제2회로부를 접지하는 제2접지 수단과, 상기 제1 및 제2회로의 경제부를 접지하는 제3접지수단을 포함하는 것을 특징으로 하는 디지털/아날로그 변환기.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1-19129 | 1988-02-21 | ||
JP42578 | 1988-02-22 | ||
JP1989019129U JPH0810209Y2 (ja) | 1989-02-21 | 1989-02-21 | 集積回路 |
JP119129 | 1989-02-21 | ||
JP1042578A JPH02222212A (ja) | 1989-02-22 | 1989-02-22 | Pwm波出力回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900013727A true KR900013727A (ko) | 1990-09-06 |
KR0150206B1 KR0150206B1 (ko) | 1998-12-15 |
Family
ID=26355948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900000311A KR0150206B1 (ko) | 1989-02-21 | 1990-01-12 | 디지탈/아날로그 변환기 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5023615A (ko) |
KR (1) | KR0150206B1 (ko) |
DE (1) | DE4005489C2 (ko) |
GB (1) | GB2228381B (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0421215A (ja) * | 1990-05-16 | 1992-01-24 | Sony Corp | デジタル・アナログ変換器 |
US6219909B1 (en) * | 1990-11-28 | 2001-04-24 | Hitachi, Ltd. | Method of mounting disk drive apparatus |
JPH05347563A (ja) * | 1992-06-12 | 1993-12-27 | Sony Corp | D/a変換装置 |
GB2364838B (en) | 1998-03-04 | 2002-03-20 | Fujitsu Ltd | Mixed-signal circuitry and integrated circuit devices |
US6208280B1 (en) | 1999-01-11 | 2001-03-27 | Seagate Technology Llc | Converting a pulse-width modulation signal to an analog voltage |
DE10156744B4 (de) * | 2001-11-19 | 2007-01-25 | Infineon Technologies Ag | Linearer PCM/PWM-Modulator |
DE10255228A1 (de) * | 2002-11-26 | 2004-06-03 | Manfred Baier | Serieller Digital- Analog-Umsetzer |
US6950118B2 (en) * | 2003-01-30 | 2005-09-27 | Hewlett-Packard Development Company, L.P. | Laser imaging device including a pulse width modulator system |
US7042484B2 (en) * | 2003-03-20 | 2006-05-09 | Hewlett-Packard Development Company, L.P. | Scan line length adjustment |
DE10337782B4 (de) | 2003-07-14 | 2007-03-01 | Micronas Gmbh | Methode und Schaltung zur effektiven Konvertierung von PCM-in PWM-Daten |
EP1498803A3 (de) * | 2003-07-14 | 2007-04-04 | Micronas GmbH | Methode und Schaltung zur effektiven Konvertierung vom PCM- in PWM-Daten |
EP2019427B1 (en) | 2007-07-27 | 2010-09-22 | Fujitsu Semiconductor Limited | Low-noise flip-chip packages and flip chips thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0033510A3 (en) * | 1980-02-04 | 1983-06-01 | Texas Instruments Incorporated | Speech synthesis system and method for exciting speech synthesis filter thereof |
US4310831A (en) * | 1980-02-04 | 1982-01-12 | Texas Instruments Incorporated | Pulse width modulated, push/pull digital to analog converter |
GB2176070B (en) * | 1985-05-31 | 1989-07-12 | Int Standard Electric Corp | Digital to analogue converter circuit arrangement and method of digital to analogue converter |
DE3709207A1 (de) * | 1987-02-28 | 1988-09-08 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zum umwandeln von digitalen tonsignalwerten in ein analoges tonsignal |
US4800365A (en) * | 1987-06-15 | 1989-01-24 | Burr-Brown Corporation | CMOS digital-to-analog converter circuitry |
-
1990
- 1990-01-12 KR KR1019900000311A patent/KR0150206B1/ko not_active IP Right Cessation
- 1990-02-15 GB GB9003510A patent/GB2228381B/en not_active Expired - Lifetime
- 1990-02-20 US US07/482,085 patent/US5023615A/en not_active Expired - Lifetime
- 1990-02-21 DE DE4005489A patent/DE4005489C2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2228381A (en) | 1990-08-22 |
DE4005489C2 (de) | 1999-09-23 |
DE4005489A1 (de) | 1990-08-23 |
KR0150206B1 (ko) | 1998-12-15 |
GB2228381B (en) | 1992-12-02 |
GB9003510D0 (en) | 1990-04-11 |
US5023615A (en) | 1991-06-11 |
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Payment date: 20090527 Year of fee payment: 12 |
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