KR840008900A - 믹 서 장 치 - Google Patents

믹 서 장 치 Download PDF

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Publication number
KR840008900A
KR840008900A KR1019840002522A KR840002522A KR840008900A KR 840008900 A KR840008900 A KR 840008900A KR 1019840002522 A KR1019840002522 A KR 1019840002522A KR 840002522 A KR840002522 A KR 840002522A KR 840008900 A KR840008900 A KR 840008900A
Authority
KR
South Korea
Prior art keywords
mixer
circuit
output
input
quadrature
Prior art date
Application number
KR1019840002522A
Other languages
English (en)
Inventor
게오로그 카스페르코피쯔 볼프디트리히
Original Assignee
아이·엠·레르너
엔·브이·필립스 글로아이람펜 파브리켄
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 아이·엠·레르너, 엔·브이·필립스 글로아이람펜 파브리켄 filed Critical 아이·엠·레르너
Publication of KR840008900A publication Critical patent/KR840008900A/ko

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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
    • 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
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008—Compensating DC offsets
    • 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
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0047—Offset of DC voltage or frequency
    • 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
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Processing Of Solid Wastes (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Toilet Supplies (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

내용 없음

Description

믹서장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 믹서장치에 앞서 구적무선주파동조장치가 포함된 수신기내에서 구적입력신호를 처리하는 본 발명에 의한 믹서장치의 제1실시예도.
제2도는 처음에는 하향발진간섭을 그 다음에는 상향발진간섭을 억제하는데 적합한 믹서장치의 제2실시예도.
제3도는 제1도에 도시한 믹서장치와 연관된 벡터도.

Claims (5)

  1. 발진회로에서 구적믹싱신가 부가되고, 두서믹서단이 중첩회로에 연결된 제1 및 제2믹서단이 포함되어 있는 믹서장치로에 있어서, 발진주파수 결합간섭을 중첩회로의 출력으로부터 두 믹서단의 입력으로 부궤환시키는 제1 및 제2구적간섭부궤환로에는 중첩회로의 출력과 제1및 제2저역필터를 경유하여 제1 및 제2믹서단의 입력에 각각 연결된 제1및 제2등기검파기, 발진회로에서 동기검파기에 부가되는 구적믹싱신호과 동위상 또는 역위상관계에 있는 구적반송파가 포함되어 있고, 반송파중 적어도 하나의 믹싱신호중 적어도 하나 사이에 동위상관계가 있는 경우에는 상기 반송파에 의하여 공급되는 동기검파기가 포함된 간섭부궤환로에 신호의 부호를 변환시키는 반전기회로가 포함되어 있는 것을 특징으로 하는 믹서장치.
  2. 제1항에 있어서, 두 반송파와 두 믹싱신호 사이에 동위상 관계가 있고, 제1 및 제2감산회로의 입력은 제1 및 제2저역필터에 연결되고, 그 비반전 입력은 믹서장치의 제1 및 제2직각입력에 연결되고, 그 출력은 제1 및 제2믹서단의 입력에 연결되어 있으며, 중첩회로의 출력은 믹서장치의 출력에 연결되어 있는 것을 특징으로 하는 믹서장치.
  3. 제1항에 있어서, 추가믹싱신호가 발진회로에서 추가믹서단으로 부가되고, 믹서장치의 입력이 제3믹서단의 입력에 연결되어 있으며, 제3믹서단의 출력은 중첩회로의 입력에 연결되어 있는 것을 특징으로 하는 믹서장치.
  4. 제3항에 있어서, 주파수분할회로가 추가믹서단과 발진회로 사이에 배치되어 있는 것을 특징으로 하는 믹서장치.
  5. 제1항에 있어서, 믹싱신호가 발진회로에서 추가믹서단에 부가되고, 제3믹서단의 출력이 믹서장치의 출력에 연결되고, 그 입력이 중첩회로를 경유하여 믹서장치의 입력에 연결되어 있는 것을 특징으로 하는 믹서장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840002522A 1983-05-10 1984-05-10 믹 서 장 치 KR840008900A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8301651A NL8301651A (nl) 1983-05-10 1983-05-10 Menginrichting voorzien van eerste en tweede kwadratuurmengtrappen.
NL8301651 1983-05-10

Publications (1)

Publication Number Publication Date
KR840008900A true KR840008900A (ko) 1984-12-19

Family

ID=19841832

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840002522A KR840008900A (ko) 1983-05-10 1984-05-10 믹 서 장 치

Country Status (10)

Country Link
US (1) US4814715A (ko)
EP (1) EP0124949B1 (ko)
JP (1) JPH0622292B2 (ko)
KR (1) KR840008900A (ko)
AT (1) ATE23084T1 (ko)
AU (1) AU573139B2 (ko)
CA (1) CA1226627A (ko)
DE (1) DE3461045D1 (ko)
HK (1) HK40087A (ko)
NL (1) NL8301651A (ko)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8301651A (nl) * 1983-05-10 1984-12-03 Philips Nv Menginrichting voorzien van eerste en tweede kwadratuurmengtrappen.
EP0184593A1 (de) * 1984-12-14 1986-06-18 Deutsche ITT Industries GmbH Generatorschaltung zur Erzeugung zweier um 90 grad phasenverschobener Sinussignale
GB8725456D0 (en) * 1987-10-30 1987-12-02 Plessey Co Plc Mixer circuits
DE3815055A1 (de) * 1988-05-04 1989-11-16 Standard Elektrik Lorenz Ag Quadratur-empfaenger
US4878029A (en) * 1988-12-05 1989-10-31 General Electric Company Complex digital sampling converter for demodulator
US4902979A (en) * 1989-03-10 1990-02-20 General Electric Company Homodyne down-converter with digital Hilbert transform filtering
FI81704C (fi) * 1989-04-11 1990-11-12 Telenokia Oy Kvadraturmodulator.
JP2982567B2 (ja) * 1993-07-20 1999-11-22 松下電器産業株式会社 受信装置
US5430893A (en) * 1993-08-11 1995-07-04 At&T Corp. Radio receiver with increased dynamic range
DE4427018A1 (de) * 1994-07-29 1996-02-08 Siemens Ag Schaltungsanordnung zur Zwischenfrequenzdemodulation
GB2296613A (en) * 1994-12-21 1996-07-03 Univ Bristol Image-reject mixers
US5918167A (en) * 1997-03-11 1999-06-29 Northern Telecom Limited Quadrature downconverter local oscillator leakage canceller
GB2325102B (en) * 1997-05-09 2001-10-10 Nokia Mobile Phones Ltd Down conversion mixer
GB2344712B (en) * 1998-12-12 2003-10-08 Roke Manor Research Improvements in or relating to receivers
CA2281236C (en) 1999-09-01 2010-02-09 Tajinder Manku Direct conversion rf schemes using a virtually generated local oscillator
US6714776B1 (en) * 1999-09-28 2004-03-30 Microtune (Texas), L.P. System and method for an image rejecting single conversion tuner with phase error correction
US6745019B1 (en) * 2000-02-15 2004-06-01 Nera A.S.A. Process and system for reducing leakage of local oscillator
US6711397B1 (en) 2000-11-20 2004-03-23 Ami Semiconductor, Inc. Structures and methods for direct conversion from radio frequency modulated signals to baseband signals
US7139546B1 (en) 2003-04-29 2006-11-21 Ami Semiconductor, Inc. Up-conversion of a down-converted baseband signal in a direct conversion architecture without the baseband signal passing through active elements
US7113760B1 (en) 2003-04-29 2006-09-26 Ami Semiconductor, Inc. Direct conversion receiver for amplitude modulated signals using linear/log filtering
US7006809B2 (en) * 2003-05-06 2006-02-28 Ami Semiconductor, Inc. Adaptive diversity receiver architecture
US7197091B1 (en) 2003-05-06 2007-03-27 Ami Semiconductor, Inc. Direct conversion receiver with direct current offset correction circuitry
CA2562563A1 (en) * 2004-04-13 2005-10-27 Maxlinear, Inc. Method and apparatus for dc offset removal
JP4874983B2 (ja) * 2004-10-12 2012-02-15 マックスリニアー，インコーポレイティド デジタル発生中間周波を有する受信器アーキテクチャ
JP2008516537A (ja) * 2004-10-12 2008-05-15 マックスリニアー，インコーポレイティド アップコンバージョンと、これに後続するダイレクトダウンコンバージョンを使用するハイブリッド受信機アーキテクチャ
DE602005019252D1 (de) * 2004-12-10 2010-03-25 Maxlinear Inc Empfängerarchitektur und mischer mit oberwellenunterdrückung
US8396173B2 (en) 2007-10-01 2013-03-12 Maxlinear, Inc. I/Q calibration techniques
EP2048775A1 (en) * 2007-10-10 2009-04-15 Semiconductors Ideas to the Market (ITOM) B.V. Anti jamming system

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GB811274A (en) * 1956-02-20 1959-04-02 Admiral Corp Improvements relating to neutralizing circuits for use in radio receivers
NL218963A (ko) * 1956-07-19
US3949309A (en) * 1971-11-09 1976-04-06 The United States Of America As Represented By The Secretary Of The Navy Non-linear processor for anti-jam operation
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NL8301651A (nl) * 1983-05-10 1984-12-03 Philips Nv Menginrichting voorzien van eerste en tweede kwadratuurmengtrappen.

Also Published As

Publication number Publication date
HK40087A (en) 1987-05-29
CA1226627A (en) 1987-09-08
EP0124949A1 (en) 1984-11-14
JPH0622292B2 (ja) 1994-03-23
ATE23084T1 (de) 1986-11-15
AU2777184A (en) 1984-11-15
JPS59208909A (ja) 1984-11-27
NL8301651A (nl) 1984-12-03
AU573139B2 (en) 1988-05-26
US4814715A (en) 1989-03-21
EP0124949B1 (en) 1986-10-22
DE3461045D1 (en) 1986-11-27

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