FI104449B - Vastaanotin - Google Patents

Vastaanotin Download PDF

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Publication number
FI104449B
FI104449B FI915331A FI915331A FI104449B FI 104449 B FI104449 B FI 104449B FI 915331 A FI915331 A FI 915331A FI 915331 A FI915331 A FI 915331A FI 104449 B FI104449 B FI 104449B
Authority
FI
Finland
Prior art keywords
signal
digital
output
frequency
phase
Prior art date
Application number
FI915331A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI915331A (fi
FI915331A0 (fi
Inventor
Gerardus Christiaan Mar Gielis
Der Plassche Rudy Johan Van
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of FI915331A0 publication Critical patent/FI915331A0/fi
Publication of FI915331A publication Critical patent/FI915331A/fi
Application granted granted Critical
Publication of FI104449B publication Critical patent/FI104449B/fi

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • 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
    • 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
    • H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics
    • 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
    • H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
    • 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
    • H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
    • 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
    • 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
    • H03D2200/005—Analog to digital conversion
    • 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
    • H03D2200/0054—Digital filters
    • 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
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Superheterodyne Receivers (AREA)
  • Pinball Game Machines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Circuits Of Receivers In General (AREA)
FI915331A 1990-11-15 1991-11-12 Vastaanotin FI104449B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9002489A NL9002489A (nl) 1990-11-15 1990-11-15 Ontvanger.
NL9002489 1990-11-15

Publications (3)

Publication Number Publication Date
FI915331A0 FI915331A0 (fi) 1991-11-12
FI915331A FI915331A (fi) 1992-05-16
FI104449B true FI104449B (fi) 2000-01-31

Family

ID=19857981

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915331A FI104449B (fi) 1990-11-15 1991-11-12 Vastaanotin

Country Status (9)

Country Link
US (1) US5230011A (es)
EP (1) EP0486095B1 (es)
JP (1) JP3181645B2 (es)
KR (1) KR100209386B1 (es)
AT (1) ATE148963T1 (es)
DE (1) DE69124663T2 (es)
ES (1) ES2100203T3 (es)
FI (1) FI104449B (es)
NL (1) NL9002489A (es)

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Also Published As

Publication number Publication date
US5230011A (en) 1993-07-20
DE69124663D1 (de) 1997-03-27
EP0486095A1 (en) 1992-05-20
FI915331A (fi) 1992-05-16
NL9002489A (nl) 1992-06-01
JPH0637664A (ja) 1994-02-10
KR100209386B1 (ko) 1999-07-15
EP0486095B1 (en) 1997-02-12
ATE148963T1 (de) 1997-02-15
ES2100203T3 (es) 1997-06-16
FI915331A0 (fi) 1991-11-12
DE69124663T2 (de) 1997-07-31
JP3181645B2 (ja) 2001-07-03
KR920011140A (ko) 1992-06-27

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Legal Events

Date Code Title Description
HC Name/ company changed in application

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V.

HC Name/ company changed in application

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V.