ATE148963T1 - Digitaler empfänger - Google Patents

Digitaler empfänger

Info

Publication number
ATE148963T1
ATE148963T1 AT91202892T AT91202892T ATE148963T1 AT E148963 T1 ATE148963 T1 AT E148963T1 AT 91202892 T AT91202892 T AT 91202892T AT 91202892 T AT91202892 T AT 91202892T AT E148963 T1 ATE148963 T1 AT E148963T1
Authority
AT
Austria
Prior art keywords
digital
sampling frequency
signal
converter
phase
Prior art date
Application number
AT91202892T
Other languages
English (en)
Inventor
Gerardus Christiaan Mar Gielis
Holstlaan
Der Plassche Rudy Johan Van
Original Assignee
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 Philips Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of ATE148963T1 publication Critical patent/ATE148963T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/26Circuits for superheterodyne receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B2200/00Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006Functional aspects of oscillators
    • H03B2200/0092Measures to linearise or reduce distortion of oscillator characteristics
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B23/00Generation of oscillations periodically swept over a predetermined frequency range
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B28/00Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00Demodulation of amplitude-modulated oscillations
    • H03D1/22Homodyne or synchrodyne circuits
    • H03D1/2245Homodyne or synchrodyne circuits using two quadrature channels
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041Functional aspects of demodulators
    • H03D2200/005Analog to digital conversion
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041Functional aspects of demodulators
    • H03D2200/0054Digital filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/006Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D5/00Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference 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)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Pinball Game Machines (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
AT91202892T 1990-11-15 1991-11-07 Digitaler empfänger ATE148963T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE148963T1 true ATE148963T1 (de) 1997-02-15

Family

ID=19857981

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91202892T ATE148963T1 (de) 1990-11-15 1991-11-07 Digitaler empfänger

Country Status (9)

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

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US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
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Also Published As

Publication number Publication date
FI915331A0 (fi) 1991-11-12
JP3181645B2 (ja) 2001-07-03
KR100209386B1 (ko) 1999-07-15
KR920011140A (ko) 1992-06-27
EP0486095B1 (de) 1997-02-12
ES2100203T3 (es) 1997-06-16
US5230011A (en) 1993-07-20
FI104449B (fi) 2000-01-31
EP0486095A1 (de) 1992-05-20
JPH0637664A (ja) 1994-02-10
NL9002489A (nl) 1992-06-01
FI915331A (fi) 1992-05-16
DE69124663T2 (de) 1997-07-31
DE69124663D1 (de) 1997-03-27

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