GB1551858A - Frequency converters - Google Patents

Frequency converters

Info

Publication number
GB1551858A
GB1551858A GB44267/76A GB4426776A GB1551858A GB 1551858 A GB1551858 A GB 1551858A GB 44267/76 A GB44267/76 A GB 44267/76A GB 4426776 A GB4426776 A GB 4426776A GB 1551858 A GB1551858 A GB 1551858A
Authority
GB
United Kingdom
Prior art keywords
frequency converters
converters
frequency
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
Application number
GB44267/76A
Other languages
English (en)
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of GB1551858A publication Critical patent/GB1551858A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/542—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
    • H03C1/545—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes using bipolar transistors
    • 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
    • H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
GB44267/76A 1975-10-27 1976-10-25 Frequency converters Expired GB1551858A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50129030A JPS584851B2 (ja) 1975-10-27 1975-10-27 シユウハスウヘンカンキ

Publications (1)

Publication Number Publication Date
GB1551858A true GB1551858A (en) 1979-09-05

Family

ID=14999377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44267/76A Expired GB1551858A (en) 1975-10-27 1976-10-25 Frequency converters

Country Status (8)

Country Link
US (1) US4058771A (cg-RX-API-DMAC7.html)
JP (1) JPS584851B2 (cg-RX-API-DMAC7.html)
AU (1) AU499939B2 (cg-RX-API-DMAC7.html)
CA (1) CA1064114A (cg-RX-API-DMAC7.html)
DE (1) DE2648455A1 (cg-RX-API-DMAC7.html)
FR (1) FR2330201A1 (cg-RX-API-DMAC7.html)
GB (1) GB1551858A (cg-RX-API-DMAC7.html)
NL (1) NL7611926A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998049768A1 (en) * 1997-04-28 1998-11-05 Cherednichenko Nikolai Petrovi Method and circuit for noise reduction

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7606483A (nl) * 1976-06-16 1977-12-20 Philips Nv Inrichting voor het mengen van signalen.
US4159448A (en) * 1977-02-08 1979-06-26 Rath Western Corporation Communication systems
JPS5441611A (en) * 1977-09-09 1979-04-03 Hitachi Ltd Integrated circuit for frequency conversion
JPS5474618A (en) * 1977-11-28 1979-06-14 Toshiba Corp Frequency conversion circuit
US4243954A (en) * 1979-06-19 1981-01-06 General Motors Corporation Low level LC oscillator
DE2929918A1 (de) * 1979-07-24 1981-01-29 Licentia Gmbh Mischstufe mit einer angeschlossenen oszillatorstufe
US4253196A (en) * 1980-01-15 1981-02-24 Rca Corporation Frequency converter, as for first detector of heterodyne radio receiver
US4344188A (en) * 1980-10-09 1982-08-10 Matsushita Electric Industrial Co., Ltd. Balanced modulator
JPS5765904A (en) * 1980-10-13 1982-04-21 Matsushita Electric Ind Co Ltd Frequency converter
DE3166196D1 (en) * 1980-11-03 1984-10-25 Siemens Ag Oscillation circuit which may take the form of an integrated circuit
US4413239A (en) * 1981-06-22 1983-11-01 The United States Of America As Represented By The Secretary Of The Navy Field effect transistor circuit for modulator and demodulator applications
IT1211106B (it) * 1981-09-16 1989-09-29 Ates Componenti Elettron Stadio d'ingresso amplificatore e miscelatore a transistori per un radioricevitore.
KR860000748A (ko) * 1984-06-07 1986-01-30 드로스트, 후흐스 발진기 혼합기 회로
US4663594A (en) * 1984-09-13 1987-05-05 Motorola, Inc. Electronic phase shifter circuit and method
DE3509327A1 (de) * 1985-03-15 1986-09-25 Telefunken electronic GmbH, 7100 Heilbronn Dynamischer frequenzteiler mit mischstufe und verstaerker
JPH0640604B2 (ja) * 1985-05-20 1994-05-25 松下電器産業株式会社 周波数変換回路
US4688263A (en) * 1986-02-28 1987-08-18 General Motors Corporation Integrated AM-FM mixer
IT1213447B (it) * 1986-12-31 1989-12-20 Sgs Microelettronica Spa Circuito di accoppiamento tra un modulatore ed un filtro ceramico per ricevitori in modulazione di ampiezza.
JPH0642614B2 (ja) * 1987-06-11 1994-06-01 株式会社日立製作所 ミクサ回路
JP2914258B2 (ja) * 1995-11-10 1999-06-28 日本電気株式会社 ダブルバランスミキサ回路
FR2756681B1 (fr) * 1996-11-29 1999-02-12 Sgs Thomson Microelectronics Dephaseur commande en tension
US6184739B1 (en) * 1998-12-04 2001-02-06 Intel Corporation Advanced near ideal mixer
US6510314B1 (en) 2000-09-08 2003-01-21 Visteon Global Technologies, Inc. Mixer circuit with output stage for implementation on integrated circuit
US6819914B2 (en) * 2002-02-07 2004-11-16 Rf Micro Devices, Inc. Differential mixer injection with optional step gain control
DE10342569A1 (de) * 2003-09-15 2005-04-14 Infineon Technologies Ag Frequenzteiler

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133160A (en) * 1960-02-25 1964-05-12 Code A Phone Electronics Inc Combination bias oscillator, mixer and recording amplifier
DE1222128B (de) * 1963-11-05 1966-08-04 Philips Patentverwaltung Multiplikative Mischung mit Transistoren
US3491301A (en) * 1965-10-29 1970-01-20 Motorola Inc Integrated harmonic mixer circuit including an emitter coupler differential amplifier
GB1168963A (en) * 1967-03-01 1969-10-29 Hitachi Ltd Frequency Converter Circuit
US3949306A (en) * 1972-11-02 1976-04-06 Sony Corporation High frequency amplifier with frequency conversion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998049768A1 (en) * 1997-04-28 1998-11-05 Cherednichenko Nikolai Petrovi Method and circuit for noise reduction

Also Published As

Publication number Publication date
JPS584851B2 (ja) 1983-01-28
CA1064114A (en) 1979-10-09
NL7611926A (nl) 1977-04-29
FR2330201B1 (cg-RX-API-DMAC7.html) 1980-06-27
DE2648455A1 (de) 1977-04-28
US4058771A (en) 1977-11-15
AU499939B2 (en) 1979-05-03
FR2330201A1 (fr) 1977-05-27
AU1894876A (en) 1978-05-04
JPS5252513A (en) 1977-04-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19961024