KR860007789A - Am수신기 - Google Patents

Am수신기 Download PDF

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Publication number
KR860007789A
KR860007789A KR1019860001650A KR860001650A KR860007789A KR 860007789 A KR860007789 A KR 860007789A KR 1019860001650 A KR1019860001650 A KR 1019860001650A KR 860001650 A KR860001650 A KR 860001650A KR 860007789 A KR860007789 A KR 860007789A
Authority
KR
South Korea
Prior art keywords
coupled
oscillator
receiver
signal
loop
Prior art date
Application number
KR1019860001650A
Other languages
English (en)
Inventor
휴고 노르드홀트 에른스트
코르넬리스 나우타 헨드리쿠스
Original Assignee
이반 밀러 레트너
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 이반 밀러 레트너, 엔. 브이. 필립스 글로아이람펜 파브리켄 filed Critical 이반 밀러 레트너
Publication of KR860007789A publication Critical patent/KR860007789A/ko

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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
    • H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop
    • 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
    • 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
    • H03D1/2281—Homodyne or synchrodyne circuits using a phase locked loop
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

내용없음

Description

AM수신기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 주파수 합성튜닝을 사용하는 AM 수신기와 본 발명이 사용되는 동기 AM 검출기의 블록다이어그램
*도면의 주요 부분에 대한 부호의 설명
M : 믹서단 PLL1, PLL2 : 제1,2위상 제어루프 TO : 튜닝발진기 VCXO : 전압제어결정발진기

Claims (6)

  1. 제1위상 제어루프내에 연속적으로 배치된 튜닝 발진기, 제1위상 검출기 및, 제1루프 필터를 구비하되, 상기 튜닝 발진기가 제1위상 검출기에 결합되는 기중 발진기에 동조되고, 수신된 AM 신호를 IF-AM 신호로 변환하는믹서단에 믹싱 주파수를 인가하며 상기 믹서단이 기저대 변조신호를 복조하는 AM 복조기에 결합되는 AM 수신기에 있어서, 믹서단에 결합된 제2위상 제어루프의 제2루프 필텀 및 제2위상 검출기 사이에 배치된 기준 주파수 발진기가 제어가능하게 되어 IF-AM 신호 반송파에 동조된 국부검출 반송파를 AM 복조기에 인가하여, 상기제2루프 필터가 제어신호를 기준 주파수 발진기에 인가하고 결합 회로를 거쳐 튜닝 발진기의 입력을 제어하도록 결합되어 기준 주파수 발진기의 제어신호가 튜닝 발진기로 부궤환되도록 한 것을 특징으로 하는 AM 수신기.
  2. 제1항에 있어서, 결합 회로가 전달 함수가 최저 주파수에서 한 개의 극을 갖는 주파수 종속 보상회로를 포함하는데 반하여, 제1루프필터의 전달함수에서도 한 개의극이 발생하는 것을 특징으로 하는 AM 수신기.
  3. 제2항에 있어서, 주파수 종속 보상회로가 미적분 회로망을 포함하는 것을 특징으로 하는 AM 수신기.
  4. 제1항에 있어서, 결합회로가 증폭기회로를 더 포함하는 것을 특징으로 하는 AM 수신기.
  5. 제4항에 있어서, 증폭기 회로도 또한 반전하는 것을 특징으로 하는 AM 수신기.
  6. 제3항에 있어서, 반전 보상회로가 제2루프 필터에 결합된 반전 입력부, 접지에 결합된 비반전 입력부 및, 저항이 브릿지된 직렬 RC 부재를 거쳐 반전 입력부에 결합된 제1 단부와 튜닝 발진기의 제어입력부에 결합된 제2단부를 포함하는 출력부를 공통으로 갖는 연상증폭기를 구비하는 것을 특징으로 하는 AM 수신기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860001650A 1985-03-11 1986-03-08 Am수신기 KR860007789A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8500675A NL8500675A (nl) 1985-03-11 1985-03-11 Am-ontvanger.
NL8500675 1985-03-11

Publications (1)

Publication Number Publication Date
KR860007789A true KR860007789A (ko) 1986-10-17

Family

ID=19845651

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860001650A KR860007789A (ko) 1985-03-11 1986-03-08 Am수신기

Country Status (6)

Country Link
US (1) US4742566A (ko)
EP (1) EP0196697B1 (ko)
JP (1) JPS61208927A (ko)
KR (1) KR860007789A (ko)
DE (1) DE3671684D1 (ko)
NL (1) NL8500675A (ko)

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FR2631180B1 (fr) * 1988-05-05 1991-03-29 Schlumberger Ind Sa Generateur bi-standard de transposition de frequence, en particulier pour reseau maille de television
EP0342277A1 (en) * 1988-05-16 1989-11-23 Hazeltine Corporation Tweet elimination, or reduction, in superheterodyne receivers
US5140703A (en) * 1988-10-14 1992-08-18 Payne Christopher P Modulation distortion analyzer
FI87868C (fi) * 1989-11-09 1993-02-25 Nokia Mobile Phones Ltd Slingfilter foer en frekvenssyntetisator
US5210484A (en) * 1992-05-15 1993-05-11 Louis R. Fantozzi Lock-in amplifier
US5584062A (en) * 1994-01-24 1996-12-10 Motorola, Inc. Method and apparatus for compensating phase locked receivers
US6020733A (en) * 1994-12-22 2000-02-01 Anritsu Company Two port handheld vector network analyzer with frequency monitor mode
US6087865A (en) * 1994-12-22 2000-07-11 Anritsu Company Programmable frequency divider
US5642039A (en) * 1994-12-22 1997-06-24 Wiltron Company Handheld vector network analyzer
US6177964B1 (en) * 1997-08-01 2001-01-23 Microtune, Inc. Broadband integrated television tuner
US5737694A (en) * 1995-11-30 1998-04-07 Scientific-Atlanta, Inc. Highly stable frequency synthesizer loop with feedforward
US7444126B1 (en) 1995-12-22 2008-10-28 Microtune (Texas), L.P. Signal-to-noise optimized fully monolithic video receiver IF channel
US6725463B1 (en) * 1997-08-01 2004-04-20 Microtune (Texas), L.P. Dual mode tuner for co-existing digital and analog television signals
GB2331643A (en) * 1997-11-22 1999-05-26 Motorola Inc Local oscillator arrangement
US7092043B2 (en) 1998-11-12 2006-08-15 Broadcom Corporation Fully integrated tuner architecture
US7171176B1 (en) 1998-12-30 2007-01-30 Microtune (Texas), L.P. Tuner system self adaptive to signal environment
US6157260A (en) * 1999-03-02 2000-12-05 Motorola, Inc. Method and apparatus for calibrating a local oscillator in a direct conversion receiver
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
US6784945B2 (en) 1999-10-01 2004-08-31 Microtune (Texas), L.P. System and method for providing fast acquire time tuning of multiple signals to present multiple simultaneous images
US7184724B1 (en) 2000-04-18 2007-02-27 Microtune (Texas), L.P. System and method for frequency translation using an image reject mixer
US6920190B2 (en) * 2000-11-21 2005-07-19 Research In Motion Limited System and method for inverting automatic frequency control (AFC)
JP4071464B2 (ja) * 2001-07-17 2008-04-02 株式会社東芝 音声クロック復元装置及び音声クロック復元方法
US7333791B2 (en) * 2001-12-11 2008-02-19 Microtune (Texas), L.P. Use of an image reject mixer in a forward data channel tuner

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DE1274201B (de) * 1966-02-16 1968-08-01 Wandel & Goltermann In Kette schaltbare Quarzfrequenzdekade
US3603890A (en) * 1969-02-20 1971-09-07 Signetics Corp Amplitude demodulator using a phase locked loop
JPS5945273B2 (ja) * 1976-09-16 1984-11-05 ソニー株式会社 テレビジヨン受像機
DE2941738A1 (de) * 1979-10-16 1981-04-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Ueberlagerungsempfaenger mit einem synchrondemodulator
US4484154A (en) * 1981-09-04 1984-11-20 Rockwell International Corporation Frequency control with a phase-locked-loop
JPS5957534A (ja) * 1982-09-27 1984-04-03 Alps Electric Co Ltd 衛星放送用受信器の屋内ユニツト
DE3335024A1 (de) * 1983-09-28 1985-04-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer einen empfaenger mit zwei phasenregelkreisen
NL8403648A (nl) * 1984-11-30 1986-06-16 Philips Nv Fasegesleutelde lus in het bijzonder voor toepassing in een direktmengende am-synchroonontvanger.

Also Published As

Publication number Publication date
JPS61208927A (ja) 1986-09-17
DE3671684D1 (de) 1990-07-05
EP0196697B1 (en) 1990-05-30
NL8500675A (nl) 1986-10-01
EP0196697A1 (en) 1986-10-08
US4742566A (en) 1988-05-03

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application