JPS647437U - - Google Patents
Info
- Publication number
- JPS647437U JPS647437U JP1987102544U JP10254487U JPS647437U JP S647437 U JPS647437 U JP S647437U JP 1987102544 U JP1987102544 U JP 1987102544U JP 10254487 U JP10254487 U JP 10254487U JP S647437 U JPS647437 U JP S647437U
- Authority
- JP
- Japan
- Prior art keywords
- analog
- amplification
- digital
- attenuation
- level
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims 4
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
- H03M1/0634—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale
- H03M1/0636—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the amplitude domain
- H03M1/0639—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by averaging out the errors, e.g. using sliding scale in the amplitude domain using dither, e.g. using triangular or sawtooth waveforms
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/34—Analogue value compared with reference values
- H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
- H03M1/40—Analogue value compared with reference values sequentially only, e.g. successive approximation type recirculation type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/34—Analogue value compared with reference values
- H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
- H03M1/46—Analogue value compared with reference values sequentially only, e.g. successive approximation type with digital/analogue converter for supplying reference values to converter
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987102544U JP2533062Y2 (ja) | 1987-07-03 | 1987-07-03 | アナログディジタル変換回路 |
US07/214,454 US4851842A (en) | 1987-07-03 | 1988-06-30 | Analog-to-digital conversion circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987102544U JP2533062Y2 (ja) | 1987-07-03 | 1987-07-03 | アナログディジタル変換回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS647437U true JPS647437U (US06653308-20031125-C00199.png) | 1989-01-17 |
JP2533062Y2 JP2533062Y2 (ja) | 1997-04-16 |
Family
ID=14330193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987102544U Expired - Lifetime JP2533062Y2 (ja) | 1987-07-03 | 1987-07-03 | アナログディジタル変換回路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4851842A (US06653308-20031125-C00199.png) |
JP (1) | JP2533062Y2 (US06653308-20031125-C00199.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013140914A1 (ja) * | 2012-03-22 | 2013-09-26 | 日本電気株式会社 | 送信機および送信方法 |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5121230A (en) * | 1987-01-19 | 1992-06-09 | Canon Kabushiki Kaisha | Image reading apparatus having adjusting circuits for matching the level of and compensating for fluctuation among a plurality of sensing elements |
US5006851A (en) * | 1988-07-18 | 1991-04-09 | Matsushita Electric Industrial Co., Ltd. | Analog-to-digital converting system |
US5457494A (en) * | 1988-11-21 | 1995-10-10 | Canon Kabushiki Kaisha | Image pickup signal processing apparatus |
JPH07114367B2 (ja) * | 1988-12-27 | 1995-12-06 | 三菱電機株式会社 | 信号処理装置 |
US4969034A (en) * | 1988-12-30 | 1990-11-06 | Welch Allyn, Inc. | Method of signal enhancement |
GB2232024B (en) * | 1989-05-22 | 1994-01-12 | Seikosha Kk | Method and apparatus for recording and/or producing sound |
JPH065819B2 (ja) * | 1989-06-29 | 1994-01-19 | ヤマハ株式会社 | A/d変換装置 |
EP0410629B1 (en) * | 1989-07-26 | 1996-01-17 | Nortel Networks Corporation | Automatic signal parameter control |
DE8909649U1 (de) * | 1989-08-11 | 1990-12-06 | Siemens AG, 1000 Berlin und 8000 München | Signalumsetzer mit freibleibendem Eingangsspannungspegel |
NL8902058A (nl) * | 1989-08-14 | 1991-03-01 | Philips Nv | Inrichting voor het optimaliseren van het werkingsgebied van een a/d-omvormer. |
EP0444234B1 (de) * | 1990-03-02 | 1995-06-07 | Siemens-Elema AB | Verfahren und Einrichtung zur Analog-Digital-Wandlung |
DE59007694D1 (de) * | 1990-03-02 | 1994-12-15 | Siemens Ag | Verfahren und Vorrichtung zur Analog/Digital-Wandlung eines sich zeitlich ändernden analogen Eingangssignals. |
DE59009441D1 (de) * | 1990-03-06 | 1995-08-31 | Siemens Ag | Verfahren und Schaltungsanordnung zur Pegelüberwachung. |
US5343200A (en) * | 1990-08-31 | 1994-08-30 | Canon Kabushiki Kaisha | Analog/digital converter with digital automatic gain control |
US5021783A (en) * | 1990-09-27 | 1991-06-04 | Advanced Micro Devices, Inc. | Method for operating an apparatus for facilitating communications |
US5206647A (en) * | 1991-06-27 | 1993-04-27 | Hughes Aircraft Company | Low cost AGC function for multiple approximation A/D converters |
US5194865A (en) * | 1991-12-06 | 1993-03-16 | Interbold | Analog-to-digital converter circuit having automatic range control |
DE69220558T2 (de) * | 1991-12-18 | 1997-11-13 | Texas Instruments Inc | System zur Dynamikerhöhung eines Empfängers |
JP3297927B2 (ja) * | 1992-01-08 | 2002-07-02 | ソニー株式会社 | 信号処理回路 |
CH688459A5 (de) * | 1992-02-04 | 1997-09-30 | Ascom Audiosys Ag | Verfahren zur Digitalisierung eines Signals, Verarbeitungseinheit zu dessen Ausfuehrung |
AU4380393A (en) * | 1992-09-11 | 1994-04-12 | Goldberg, Hyman | Electroacoustic speech intelligibility enhancement method and apparatus |
FI96077C (fi) * | 1992-11-23 | 1996-04-25 | Salon Televisiotehdas Oy | Kytkentäjärjestely digitaalisen audiosignaaliprosessorin virtuaalisen dynamiikka-alueen laajentamiseksi |
DE4319256C2 (de) * | 1993-06-09 | 2002-08-01 | Siemens Ag | Analog-Digital-Wandlerschaltung mit hoher Dynamik |
US5570091A (en) * | 1993-09-21 | 1996-10-29 | Yamaha Corporation | Analog-to-digital converter |
JPH07154259A (ja) * | 1993-12-01 | 1995-06-16 | Mitsubishi Electric Corp | アナログ/デジタル変換回路 |
US5684481A (en) * | 1994-03-18 | 1997-11-04 | Analog Devices | Rail-to-rail DAC drive circuit |
USRE38083E1 (en) * | 1994-03-18 | 2003-04-22 | Analog Devices, Inc. | Rail-to-rail DAC drive circuit |
JP2746158B2 (ja) * | 1994-11-25 | 1998-04-28 | 日本電気株式会社 | Ad変換回路 |
US5684480A (en) * | 1995-01-30 | 1997-11-04 | Telefonaktiebolaget Lm Ericsson | Wide dynamic range analog to digital conversion |
US5659313A (en) * | 1995-03-31 | 1997-08-19 | Panasonic Technologies, Inc. | System and method for reducing noise during analog to digital conversion |
US5608399A (en) * | 1995-08-01 | 1997-03-04 | Psc Inc. | Resolution enhancer circuit for analog to digital converters |
US5757220A (en) * | 1996-12-23 | 1998-05-26 | Analog Devices, Inc. | Digitally controlled programmable attenuator |
US5861831A (en) * | 1996-12-23 | 1999-01-19 | Analog Devices, Inc. | Intermediate frequency (IF) sampling clock-to-clock auto-ranging analog-to-digital converter (ADC) and method |
US6137533A (en) * | 1997-05-14 | 2000-10-24 | Cirrus Logic, Inc. | System and method for enhancing dynamic range in images |
US6271780B1 (en) | 1998-10-08 | 2001-08-07 | Cirrus Logic, Inc. | Gain ranging analog-to-digital converter with error correction |
FI106325B (fi) * | 1998-11-12 | 2001-01-15 | Nokia Networks Oy | Menetelmä ja laite tehonsäädön ohjaamiseksi |
DE19914207C2 (de) * | 1999-03-29 | 2003-02-27 | Siemens Ag | A/D-Wandlerschaltung |
US7190292B2 (en) * | 1999-11-29 | 2007-03-13 | Bizjak Karl M | Input level adjust system and method |
US6657570B1 (en) * | 2000-06-22 | 2003-12-02 | Adc Telecommunications, Inc. | Automatic level control for input to analog to digital converter |
US7065155B2 (en) * | 2000-12-22 | 2006-06-20 | Atheros Communications, Inc. | Method and apparatus for a transceiver having a constant power output |
US6741194B1 (en) * | 2002-12-23 | 2004-05-25 | Motorola, Inc. | Methods and apparatus for detecting out-of-range signals in an analog-to-digital converter |
US6937178B1 (en) | 2003-05-15 | 2005-08-30 | Linear Technology Corporation | Gradient insensitive split-core digital to analog converter |
US7652723B1 (en) | 2004-04-19 | 2010-01-26 | Video Accessory Corporation | Composite video signal correction unit for video imaging and video recording systems |
KR100610478B1 (ko) * | 2004-05-06 | 2006-08-08 | 매그나칩 반도체 유한회사 | 이미지센서 및 그의 디지털 이득 보상 방법 |
DE102006005032B4 (de) * | 2006-02-03 | 2018-06-28 | Intel Deutschland Gmbh | Empfangsverfahren mit digitaler Pegeleinstellung im Analogteil und stufenweiser Pegelveränderung im Digitalteil |
US20100164768A1 (en) * | 2008-12-31 | 2010-07-01 | Texas Instruments Incorporated | Providing digital codes representing analog samples with enhanced accuracy while using an adc of lower resolution |
JP5679412B2 (ja) * | 2010-07-07 | 2015-03-04 | 株式会社タニタ | Ad変換装置、ad変換方法、及び電子機器 |
US8655267B2 (en) * | 2010-12-01 | 2014-02-18 | Clear Rf Llc | Adaptive range extender for extending a range of a cellular network by amplifying uplink and downlink cellular signals |
US9077604B2 (en) | 2011-01-20 | 2015-07-07 | Stuart E. Goller | High speed information transfer method and system |
DE102011006566A1 (de) | 2011-03-31 | 2012-10-04 | Rohde & Schwarz Gmbh & Co. Kg | Vorrichtungen zum automatischen Einstellen eines Verstärkungs- bzw. Dämpfungsfaktors |
DE102012110737B4 (de) * | 2012-11-09 | 2020-12-10 | Infineon Technologies Ag | Analog-Digital-Wandler-Anordnung |
US9622672B2 (en) * | 2013-06-07 | 2017-04-18 | Indiana University Research And Technology Corporation | Digitally invertible universal amplifier for recording and processing of bioelectric signals |
CN106571824A (zh) | 2015-10-08 | 2017-04-19 | 联发科技(新加坡)私人有限公司 | 信号处理电路 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56117413A (en) * | 1980-02-21 | 1981-09-14 | Nec Corp | Digital agc system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3969683A (en) * | 1975-04-21 | 1976-07-13 | Bell Telephone Laboratories, Incorporated | Automatic level control circuit |
JPS6033011B2 (ja) * | 1978-05-28 | 1985-07-31 | 日本ビクター株式会社 | 自動音量減衰装置 |
US4383247A (en) * | 1981-06-25 | 1983-05-10 | The United States Of America As Represented By The Secretary Of The Navy | Gain-step companding analog to digital converter |
JPS6044837A (ja) * | 1983-08-23 | 1985-03-11 | Victor Co Of Japan Ltd | 波形再生装置 |
US4739307A (en) * | 1984-01-31 | 1988-04-19 | Analogic Corporation | Multichannel predictive gain amplifier system |
GB2160394B (en) * | 1984-05-02 | 1988-03-16 | Pioneer Electronic Corp | Noise reduction system |
US4731851A (en) * | 1986-09-24 | 1988-03-15 | Rca Corporation | Digital signal gain control circuitry for varying digital signals in substantially equal db steps |
-
1987
- 1987-07-03 JP JP1987102544U patent/JP2533062Y2/ja not_active Expired - Lifetime
-
1988
- 1988-06-30 US US07/214,454 patent/US4851842A/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56117413A (en) * | 1980-02-21 | 1981-09-14 | Nec Corp | Digital agc system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013140914A1 (ja) * | 2012-03-22 | 2013-09-26 | 日本電気株式会社 | 送信機および送信方法 |
US9160379B2 (en) | 2012-03-22 | 2015-10-13 | Nec Corporation | Transmitter and transmitting method |
Also Published As
Publication number | Publication date |
---|---|
US4851842A (en) | 1989-07-25 |
JP2533062Y2 (ja) | 1997-04-16 |