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KR840001412A - Registered envelope detector - Google Patents

Registered envelope detector Download PDF

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Publication number
KR840001412A
KR840001412A KR1019820003876A KR820003876A KR840001412A KR 840001412 A KR840001412 A KR 840001412A KR 1019820003876 A KR1019820003876 A KR 1019820003876A KR 820003876 A KR820003876 A KR 820003876A KR 840001412 A KR840001412 A KR 840001412A
Authority
KR
South Korea
Prior art keywords
signal
phase
carrier
envelope detector
generating
Prior art date
Application number
KR1019820003876A
Other languages
Korean (ko)
Other versions
KR880000869B1 (en
Inventor
리챠드 관 레오나드
Original Assignee
원본미기재
하젤타인 코포레이션
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 원본미기재, 하젤타인 코포레이션 filed Critical 원본미기재
Publication of KR840001412A publication Critical patent/KR840001412A/en
Application granted granted Critical
Publication of KR880000869B1 publication Critical patent/KR880000869B1/en

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Classifications

    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

내용 없음No content

Description

등기 포락선 검파기Registered envelope detector

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 동기 포락선 검파기의 블록선도.1 is a block diagram of a synchronous envelope detector according to the present invention.

Claims (4)

진폭변조 반송파 신호를 수신하기 위한 포락선 검파기에 있어서, 수신된 진폭변조 반송파 신호로부터 동위상 및 직각 위상 반송파 신호를 발생하기 위한 수단과, 제각기 제1및 제2복조신호를 생성하기 위해, 상기 수신된 진폭변조 신호 뿐만 아니라 여기에 결합된 상기 동위상 반송파 신호 및 상기 직각 위상 신호를 갖는 제1 및 제2적복조기 수단과, 제각기 상기 제1 및 제2 복조신호를 제곱하기 원한 제1 및 제2 제곱회로 수단과, 합신호를 생성하도록 상기 제1 및 제2제곱신호를 합산하기 위한 수단과, 상기 합신호의 제곱근에 비례하는 출력신호를 유지하기 위해 상기 합신호에 응답하고 상기 수신된 진폭변조 신호의 포락선의 진폭을 표시하는 수단을 포함하는 것을 특징으로 하는 동기 포락선 검파기.An envelope detector for receiving an amplitude modulated carrier signal, the envelope detector comprising: means for generating in-phase and quadrature phase carrier signals from the received amplitude modulated carrier signal, and for generating first and second demodulated signals, respectively; First and second demodulator means having an amplitude modulated signal as well as the in-phase carrier signal and the quadrature phase signal coupled thereto, and first and second squares each of which wants to square the first and second demodulated signals, respectively Circuit means, means for summing the first and second square signals to generate a sum signal, and responsive to the sum signal to maintain an output signal proportional to the square root of the sum signal and the received amplitude modulated signal. And means for displaying the amplitude of the envelope of the synchronous envelope detector. 제1항에 따른 포락선 검파기에 있어서, 동위상 및 직각 위상 반송파 신호를 발생하기 위한 상기 수단이 상기 피변조 반송파의 동일한 주파수 및 위상을 갖는 미변조 반송파를 생성하기 위해 상기 수신된 피변조 반송파에 응답하는 위상 고정루우프와, 상기 위상고정 루우프의 출력으로부터 직각 위상신호는 생성하기 위한 90°위상 편이회로를 포함하는 것을 특징으로 하는 동기 포락선 검파기.2. The envelope detector according to claim 1, wherein the means for generating an in-phase and quadrature phase carrier signal is responsive to the received modulated carrier to generate an unmodulated carrier having the same frequency and phase of the modulated carrier. And a 90 [deg.] Phase shifting circuit for generating a quadrature phase signal from an output of the phase locked loop. 제1또는 2항에 따른 검파기에 있어서, 저역 통과 필터가 각각의 상기 제1 및 제2도복조 수단의 출력에 결합되는 것을 특징으로 하는 동기 포락선 검파기.The detector according to claim 1 or 2, wherein a low pass filter is coupled to the output of each of said first and second demodulation means. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR8203876A 1981-08-31 1982-08-27 Synchronoru evelope detector KR880000869B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US29789581A 1981-08-31 1981-08-31
US297895 1981-08-31
US297.895 1981-08-31

Publications (2)

Publication Number Publication Date
KR840001412A true KR840001412A (en) 1984-04-30
KR880000869B1 KR880000869B1 (en) 1988-05-26

Family

ID=23148171

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8203876A KR880000869B1 (en) 1981-08-31 1982-08-27 Synchronoru evelope detector

Country Status (13)

Country Link
JP (1) JPS5846704A (en)
KR (1) KR880000869B1 (en)
AU (1) AU550418B2 (en)
BR (1) BR8205084A (en)
CA (1) CA1197904A (en)
DE (1) DE3230606A1 (en)
FR (1) FR2512291B1 (en)
GB (1) GB2105130B (en)
IN (1) IN157383B (en)
MX (1) MX153217A (en)
NL (1) NL8203256A (en)
NZ (1) NZ201230A (en)
ZA (1) ZA825531B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1212806B (en) * 1983-12-30 1989-11-30 Ates Componenti Elettron SYNCHRONOUS DEMODULATOR FOR MODULATED SIGNALS IN AMPLITUDE.
SE456372B (en) * 1984-04-06 1988-09-26 Bt Ind Ab PROCEDURE TO HAVE AN OPERATOR-FREE MACHINE DETECTING DIFFICULTIES
AT391233B (en) * 1984-07-25 1990-09-10 Sat Systeme Automatisierung AC CURRENT SIGNALS, REPRAESENTATIVE EVALUATION SIGNALS
JPS61171207A (en) * 1985-01-25 1986-08-01 Nec Corp Receiver
GB8606003D0 (en) * 1986-03-11 1986-04-16 Secr Defence Interference suppression
GB2192104A (en) * 1986-06-27 1987-12-31 Philips Electronic Associated Superheterodyne radio receiver
GB2295513B (en) * 1994-11-22 1998-07-08 Edward Charles Forster AM demodulator for I/Q receivers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792364A (en) * 1972-08-03 1974-02-12 Sangamo Electric Co Method and apparatus for detecting absolute value amplitude of am suppressed carrier signals
US3939424A (en) * 1973-09-08 1976-02-17 Sony Corporation Radio receiver with a phase locked loop for a demodulator
US4018994A (en) * 1974-07-10 1977-04-19 Kahn Leonard R Compatible AM stereophonic receivers
JPS52147995A (en) * 1976-06-02 1977-12-08 Mitsubishi Electric Corp Radar unit
JPS5484964A (en) * 1977-12-19 1979-07-06 Matsushita Electric Ind Co Ltd Detector of amplitude-modulated wave

Also Published As

Publication number Publication date
GB2105130B (en) 1985-02-27
JPS5846704A (en) 1983-03-18
CA1197904A (en) 1985-12-10
GB2105130A (en) 1983-03-16
IN157383B (en) 1986-03-15
MX153217A (en) 1986-08-22
NL8203256A (en) 1983-03-16
KR880000869B1 (en) 1988-05-26
FR2512291B1 (en) 1989-03-17
AU8578682A (en) 1983-03-10
NZ201230A (en) 1985-12-13
DE3230606A1 (en) 1983-04-28
BR8205084A (en) 1983-08-09
ZA825531B (en) 1983-11-30
AU550418B2 (en) 1986-03-20
FR2512291A1 (en) 1983-03-04

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