CA2073347C - Apparatus and method for generating quadrature signals - Google Patents
Apparatus and method for generating quadrature signalsInfo
- Publication number
- CA2073347C CA2073347C CA002073347A CA2073347A CA2073347C CA 2073347 C CA2073347 C CA 2073347C CA 002073347 A CA002073347 A CA 002073347A CA 2073347 A CA2073347 A CA 2073347A CA 2073347 C CA2073347 C CA 2073347C
- Authority
- CA
- Canada
- Prior art keywords
- phase
- differential
- signals
- signal
- quadrature
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 9
- 230000010363 phase shift Effects 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 1
- 229920000136 polysorbate Polymers 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B27/00—Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/16—Networks for phase shifting
- H03H11/22—Networks for phase shifting providing two or more phase shifted output signals, e.g. n-phase output
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63370190A | 1990-12-21 | 1990-12-21 | |
| US633,701 | 1990-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2073347C true CA2073347C (en) | 1995-05-09 |
Family
ID=24540758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002073347A Expired - Fee Related CA2073347C (en) | 1990-12-21 | 1991-12-18 | Apparatus and method for generating quadrature signals |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPH05505297A (enrdf_load_stackoverflow) |
| AU (1) | AU9179691A (enrdf_load_stackoverflow) |
| BR (1) | BR9106406A (enrdf_load_stackoverflow) |
| CA (1) | CA2073347C (enrdf_load_stackoverflow) |
| FR (1) | FR2670975A1 (enrdf_load_stackoverflow) |
| IT (1) | IT1250974B (enrdf_load_stackoverflow) |
| MX (1) | MX174064B (enrdf_load_stackoverflow) |
| WO (1) | WO1992011704A1 (enrdf_load_stackoverflow) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69422010T2 (de) * | 1993-12-22 | 2000-07-20 | Koninklijke Philips Electronics N.V., Eindhoven | Phasenschiebverstärker und seine Verwendung in einer Zusammenführungsschaltung |
| CN1146259A (zh) * | 1994-12-30 | 1997-03-26 | 菲利浦电子有限公司 | 精确正交信号的发生电路和方法 |
| EP1146642B1 (en) * | 1995-05-26 | 2006-12-27 | Rambus Inc. | Phase shifter for use in a quadrature clock generator |
| RU2141170C1 (ru) * | 1999-02-12 | 1999-11-10 | Научно-производственное объединение измерительной техники | Формирователь радиосигналов с минимальной частотной манипуляцией |
| GB9918317D0 (en) | 1999-08-03 | 1999-10-06 | Cambridge Silicon Radio Ltd | Phase shifting |
| GB2361123A (en) * | 2000-04-04 | 2001-10-10 | Nokia Mobile Phones Ltd | Polyphase filters in silicon integrated circuit technology |
| FR2809266B1 (fr) * | 2000-05-19 | 2002-10-11 | St Microelectronics Sa | Procede et dispositif de controle du dephasage entre quatre signaux mutuellement en quadrature de phase |
| KR100351057B1 (ko) * | 2000-09-26 | 2002-09-05 | 삼성전자 주식회사 | 주파수의 체배성능을 향상시키기 위한 검출제어부를구비하는 주파수 체배회로 |
| US6674998B2 (en) | 2000-10-02 | 2004-01-06 | Intersil Americas Inc. | System and method for detecting and correcting phase error between differential signals |
| US7068987B2 (en) | 2000-10-02 | 2006-06-27 | Conexant, Inc. | Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture |
| US6891440B2 (en) * | 2000-10-02 | 2005-05-10 | A. Michael Straub | Quadrature oscillator with phase error correction |
| US7075377B2 (en) * | 2004-06-10 | 2006-07-11 | Theta Microeletronics, Inc. | Quadrature voltage controlled oscillators with phase shift detector |
| RU2276467C1 (ru) * | 2005-03-04 | 2006-05-10 | Военная академия Ракетных войск стратегического назначения им. Петра Великого | Устройство для приема сигналов с минимальной частотной модуляцией |
| RU2316128C1 (ru) * | 2006-10-09 | 2008-01-27 | Военная академия Ракетных войск стратегического назначения имени Петра Великого | Устройство для приема сигналов с минимальной угловой модуляцией |
| US7869769B2 (en) * | 2007-11-28 | 2011-01-11 | Motorola, Inc. | Method and apparatus for reconfigurable frequency generation |
| US8615205B2 (en) | 2007-12-18 | 2013-12-24 | Qualcomm Incorporated | I-Q mismatch calibration and method |
| US8970272B2 (en) | 2008-05-15 | 2015-03-03 | Qualcomm Incorporated | High-speed low-power latches |
| US8712357B2 (en) | 2008-11-13 | 2014-04-29 | Qualcomm Incorporated | LO generation with deskewed input oscillator signal |
| US8718574B2 (en) | 2008-11-25 | 2014-05-06 | Qualcomm Incorporated | Duty cycle adjustment for a local oscillator signal |
| US8847638B2 (en) | 2009-07-02 | 2014-09-30 | Qualcomm Incorporated | High speed divide-by-two circuit |
| US8791740B2 (en) | 2009-07-16 | 2014-07-29 | Qualcomm Incorporated | Systems and methods for reducing average current consumption in a local oscillator path |
| US8854098B2 (en) | 2011-01-21 | 2014-10-07 | Qualcomm Incorporated | System for I-Q phase mismatch detection and correction |
| US9154077B2 (en) | 2012-04-12 | 2015-10-06 | Qualcomm Incorporated | Compact high frequency divider |
| US11811413B2 (en) | 2021-10-13 | 2023-11-07 | Mediatek Inc. | Poly phase filter with phase error enhance technique |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4313089A (en) * | 1980-03-31 | 1982-01-26 | Motorola, Inc. | Precision quadrature analog phase detector |
| GB2174576B (en) * | 1985-04-29 | 1989-06-28 | Plessey Co Plc | Improvements in or relating to receivers |
| GB2196195B (en) * | 1986-09-16 | 1990-12-19 | Plessey Co Plc | Quadrature signal generator |
| DE3819930A1 (de) * | 1988-06-11 | 1989-12-21 | Thomson Brandt Gmbh | Schaltungsanordnung zur einstellung der phasenlage eines signals |
| DE3829164C1 (enrdf_load_stackoverflow) * | 1988-08-27 | 1989-08-10 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | |
| NL8802531A (nl) * | 1988-10-14 | 1990-05-01 | Philips Nv | Fasedetector en frequentiedemodulator voorzien van zulk een fasedetector. |
| DE3927381A1 (de) * | 1989-08-19 | 1991-02-21 | Philips Patentverwaltung | Phasenvergleichsschaltung |
-
1991
- 1991-12-18 BR BR919106406A patent/BR9106406A/pt not_active Application Discontinuation
- 1991-12-18 CA CA002073347A patent/CA2073347C/en not_active Expired - Fee Related
- 1991-12-18 AU AU91796/91A patent/AU9179691A/en not_active Abandoned
- 1991-12-18 JP JP4504367A patent/JPH05505297A/ja active Pending
- 1991-12-18 WO PCT/US1991/009587 patent/WO1992011704A1/en active Application Filing
- 1991-12-19 MX MX9102719A patent/MX174064B/es not_active IP Right Cessation
- 1991-12-20 IT ITRM910965A patent/IT1250974B/it active IP Right Grant
- 1991-12-20 FR FR9115947A patent/FR2670975A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ITRM910965A0 (it) | 1991-12-20 |
| WO1992011704A1 (en) | 1992-07-09 |
| ITRM910965A1 (it) | 1993-06-20 |
| JPH05505297A (ja) | 1993-08-05 |
| AU9179691A (en) | 1992-07-22 |
| MX174064B (es) | 1994-04-18 |
| BR9106406A (pt) | 1993-05-04 |
| MX9102719A (es) | 1992-06-01 |
| FR2670975A1 (fr) | 1992-06-26 |
| FR2670975B1 (enrdf_load_stackoverflow) | 1995-03-17 |
| IT1250974B (it) | 1995-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |