ITRM910965A1 - Apparecchio e procedimento per generare segnali in fase ed in quadratura di fase. - Google Patents
Apparecchio e procedimento per generare segnali in fase ed in quadratura di fase.Info
- Publication number
- ITRM910965A1 ITRM910965A1 IT000965A ITRM910965A ITRM910965A1 IT RM910965 A1 ITRM910965 A1 IT RM910965A1 IT 000965 A IT000965 A IT 000965A IT RM910965 A ITRM910965 A IT RM910965A IT RM910965 A1 ITRM910965 A1 IT RM910965A1
- Authority
- IT
- Italy
- Prior art keywords
- phase
- procedure
- generate signals
- square
- phase square
- Prior art date
Links
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63370190A | 1990-12-21 | 1990-12-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM910965A0 ITRM910965A0 (it) | 1991-12-20 |
ITRM910965A1 true ITRM910965A1 (it) | 1993-06-20 |
IT1250974B IT1250974B (it) | 1995-04-24 |
Family
ID=24540758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM910965A IT1250974B (it) | 1990-12-21 | 1991-12-20 | Apparecchio e procedimento per generare segnali in fase ed in quadratura di fase. |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPH05505297A (it) |
AU (1) | AU9179691A (it) |
BR (1) | BR9106406A (it) |
CA (1) | CA2073347C (it) |
FR (1) | FR2670975A1 (it) |
IT (1) | IT1250974B (it) |
MX (1) | MX174064B (it) |
WO (1) | WO1992011704A1 (it) |
Families Citing this family (21)
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 |
KR970701952A (ko) * | 1994-12-30 | 1997-04-12 | 요트.게.아. 롤페즈 | 정밀한 쿼드리쳐 신호 생성 회로 및 방법(Circuit and method for generating accurate guadrature signals) |
JPH11505987A (ja) | 1995-05-26 | 1999-05-25 | ランバス・インコーポレーテッド | 直交クロック発生器内で使用される移相器 |
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 |
US6891440B2 (en) | 2000-10-02 | 2005-05-10 | A. Michael Straub | Quadrature oscillator with phase error correction |
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 |
US7075377B2 (en) * | 2004-06-10 | 2006-07-11 | Theta Microeletronics, Inc. | Quadrature voltage controlled oscillators with phase shift detector |
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 (it) * | 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 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 BR BR919106406A patent/BR9106406A/pt not_active Application Discontinuation
- 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 FR FR9115947A patent/FR2670975A1/fr active Granted
- 1991-12-20 IT ITRM910965A patent/IT1250974B/it active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
MX9102719A (es) | 1992-06-01 |
BR9106406A (pt) | 1993-05-04 |
JPH05505297A (ja) | 1993-08-05 |
FR2670975B1 (it) | 1995-03-17 |
WO1992011704A1 (en) | 1992-07-09 |
ITRM910965A0 (it) | 1991-12-20 |
FR2670975A1 (fr) | 1992-06-26 |
AU9179691A (en) | 1992-07-22 |
CA2073347C (en) | 1995-05-09 |
MX174064B (es) | 1994-04-18 |
IT1250974B (it) | 1995-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950223 |