DE3875713D1 - Oszillatorschaltung und quadratur netzwerk fuer radioempfaenger. - Google Patents

Oszillatorschaltung und quadratur netzwerk fuer radioempfaenger.

Info

Publication number
DE3875713D1
DE3875713D1 DE8888905985T DE3875713T DE3875713D1 DE 3875713 D1 DE3875713 D1 DE 3875713D1 DE 8888905985 T DE8888905985 T DE 8888905985T DE 3875713 T DE3875713 T DE 3875713T DE 3875713 D1 DE3875713 D1 DE 3875713D1
Authority
DE
Germany
Prior art keywords
pct
oscillator
network
amplifiers
date
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
Application number
DE8888905985T
Other languages
English (en)
Other versions
DE3875713T2 (de
Inventor
Simon Atkinson
Francis Carr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsemi Semiconductor Ltd
Original Assignee
Plessey Semiconductors Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Plessey Semiconductors Ltd filed Critical Plessey Semiconductors Ltd
Application granted granted Critical
Publication of DE3875713D1 publication Critical patent/DE3875713D1/de
Publication of DE3875713T2 publication Critical patent/DE3875713T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • 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
    • 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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels
    • 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
    • H03H11/18—Two-port phase shifters providing a predetermined phase shift, e.g. "all-pass" filters
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0036—Circuit elements of oscillators including an emitter or source coupled transistor pair or a long tail pair
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0058—Circuit elements of oscillators with particular transconductance characteristics, e.g. an operational transconductance amplifier
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0078—Functional aspects of oscillators generating or using signals in quadrature

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Amplifiers (AREA)
  • Control Of Eletrric Generators (AREA)
DE8888905985T 1987-07-17 1988-07-18 Oszillatorschaltung und quadratur netzwerk fuer radioempfaenger. Expired - Fee Related DE3875713T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8716884A GB2208340B (en) 1987-07-17 1987-07-17 Electrical circuits
PCT/GB1988/000574 WO1989000791A1 (en) 1987-07-17 1988-07-18 Oscillator network for radio receiver

Publications (2)

Publication Number Publication Date
DE3875713D1 true DE3875713D1 (de) 1992-12-10
DE3875713T2 DE3875713T2 (de) 1993-03-18

Family

ID=10620817

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888905985T Expired - Fee Related DE3875713T2 (de) 1987-07-17 1988-07-18 Oszillatorschaltung und quadratur netzwerk fuer radioempfaenger.

Country Status (6)

Country Link
US (1) US4947141A (de)
EP (1) EP0323996B1 (de)
AT (1) ATE82095T1 (de)
DE (1) DE3875713T2 (de)
GB (1) GB2208340B (de)
WO (1) WO1989000791A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2236225A (en) * 1989-09-23 1991-03-27 Emi Plc Thorn Superhetorodyne circuit
GB9006919D0 (en) * 1990-03-28 1990-05-23 Panther Giles Paging receiver
US5235540A (en) * 1990-04-26 1993-08-10 Silicon Systems, Inc. Parasitic insensitive programmable biquadratic pulse slimming technique
US5249824A (en) * 1991-11-19 1993-10-05 Trw Inc. Air bag structure and method of forming
US5172076A (en) * 1992-03-26 1992-12-15 Northern Telecom Limited Resonant circuit formed of two amplifiers connected in a loop and multiple resonator circuits constructed therefrom
US5263192A (en) * 1992-04-06 1993-11-16 Motorola, Inc. Integrated resonant circuit with temperature compensated quality factor
ES2056740B1 (es) * 1993-02-22 1997-08-01 Alcatel Standard Electrica Circuito analogico para realizar modulaciones vectoriales.
US5371475A (en) * 1993-06-03 1994-12-06 Northern Telecom Limited Low noise oscillators and tracking filters
WO1996031943A2 (en) * 1995-04-03 1996-10-10 Philips Electronics N.V. Quadrature signal conversion device
CN1076545C (zh) * 1995-06-21 2001-12-19 皇家菲利浦电子有限公司 数字无线系统,数字无线装置以及正交解调器
JP2825076B2 (ja) * 1995-12-08 1998-11-18 日本電気株式会社 ジャイレータ回路を用いた復調回路
FI106660B (fi) 1998-11-06 2001-03-15 Nokia Mobile Phones Ltd Menetelmä ja järjestely radiovastaanottimen linearisoimiseksi
US6760205B1 (en) * 2002-04-03 2004-07-06 Xilinx, Inc. Active inductance for ESD parasitic cancellation
US7075377B2 (en) * 2004-06-10 2006-07-11 Theta Microeletronics, Inc. Quadrature voltage controlled oscillators with phase shift detector
DE102005008332B3 (de) * 2005-02-23 2006-11-02 Infineon Technologies Ag Verstärkerschaltung für einen Oszillator in einem definierten Schwingfrequenzbereich und Oszillatorschaltung
US8242941B2 (en) * 2007-11-20 2012-08-14 The Tc Group A/S Pulse modulation A/D-converter with feedback

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539943A (en) * 1969-03-07 1970-11-10 Automatic Elect Lab Oscillator utilizing gyrator circuit
US4091340A (en) * 1971-10-22 1978-05-23 The Post Office Oscillator circuit arrangements including nullator-norator pairs
NL165893C (nl) * 1973-07-23 1981-05-15 Philips Nv Inrichting met een gyratorresonantiekring.
NL169807C (nl) * 1973-07-23 1982-08-16 Philips Nv Inrichting met een gyrator-resonantiekring.
NL7313452A (nl) * 1973-10-01 1975-04-03 Philips Nv Absoluut nauwkeurige geintegreerde impedantie.
NL7705552A (nl) * 1977-05-20 1978-11-22 Philips Nv Quadratuurtranspositietrap.
GB2049333B (en) * 1979-05-09 1983-06-15 Philips Electronic Associated Active filter
US4340868A (en) * 1980-05-12 1982-07-20 Motorola, Inc. Current mode biquadratic active filter
GB2101821B (en) * 1981-07-16 1984-11-14 Standard Telephones Cables Ltd Radio receiver for frequency shift keyed signals
GB2155262B (en) * 1984-03-01 1988-01-20 Standard Telephones Cables Ltd Radio receiver
GB2160043A (en) * 1984-06-13 1985-12-11 Philips Electronic Associated Audio frequency oscillator
GB2172158B (en) * 1985-03-07 1988-12-29 Stc Plc Zero-if radio receiver
GB2180419A (en) * 1985-09-16 1987-03-25 Philips Electronic Associated Direct conversion receiver
FR2602380B1 (fr) * 1986-07-30 1988-10-21 Labo Electronique Physique Circuit gyrateur simulant une inductance

Also Published As

Publication number Publication date
US4947141A (en) 1990-08-07
GB2208340A (en) 1989-03-22
EP0323996B1 (de) 1992-11-04
EP0323996A1 (de) 1989-07-19
ATE82095T1 (de) 1992-11-15
DE3875713T2 (de) 1993-03-18
GB8716884D0 (en) 1987-08-26
WO1989000791A1 (en) 1989-01-26
GB2208340B (en) 1992-01-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MITEL SEMICONDUCTOR LTD., SWINDON, WILTSHIRE, GB

8339 Ceased/non-payment of the annual fee