DK18385A - Radiomodtager - Google Patents

Radiomodtager Download PDF

Info

Publication number
DK18385A
DK18385A DK18385A DK18385A DK18385A DK 18385 A DK18385 A DK 18385A DK 18385 A DK18385 A DK 18385A DK 18385 A DK18385 A DK 18385A DK 18385 A DK18385 A DK 18385A
Authority
DK
Denmark
Prior art keywords
oscillator frequencies
frequency
select
receiver
intermediate frequency
Prior art date
Application number
DK18385A
Other languages
English (en)
Other versions
DK166243C (da
DK18385D0 (da
DK166243B (da
Inventor
Alan Michael Victor
Darrell Eugene Davis
Original Assignee
Motorola Inc
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
Priority claimed from US06/495,308 external-priority patent/US4551856A/en
Priority claimed from US06/495,307 external-priority patent/US4512035A/en
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of DK18385D0 publication Critical patent/DK18385D0/da
Publication of DK18385A publication Critical patent/DK18385A/da
Publication of DK166243B publication Critical patent/DK166243B/da
Application granted granted Critical
Publication of DK166243C publication Critical patent/DK166243C/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H03J5/0281—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory
    • 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
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
DK018385A 1983-05-16 1985-01-15 Radiomodtager og fremgangsmaade til programmering i en saadan DK166243C (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US06/495,308 US4551856A (en) 1983-05-16 1983-05-16 Synthesized multiple conversion receiver system with provision for avoiding receiver self-quieting spurious response
US49530883 1983-05-16
US49530783 1983-05-16
US06/495,307 US4512035A (en) 1983-05-16 1983-05-16 Method of programming a synthesizer ROM for elimination of receiver self-quieting
PCT/US1984/000735 WO1984004637A1 (en) 1983-05-16 1984-05-14 A receiver system for eliminating self-quieting spurious responses
US8400735 1984-05-14

Publications (4)

Publication Number Publication Date
DK18385D0 DK18385D0 (da) 1985-01-15
DK18385A true DK18385A (da) 1985-03-15
DK166243B DK166243B (da) 1993-03-22
DK166243C DK166243C (da) 1993-08-16

Family

ID=27051720

Family Applications (1)

Application Number Title Priority Date Filing Date
DK018385A DK166243C (da) 1983-05-16 1985-01-15 Radiomodtager og fremgangsmaade til programmering i en saadan

Country Status (8)

Country Link
EP (1) EP0144394B1 (da)
AU (1) AU562869B2 (da)
CA (1) CA1221741A (da)
DE (1) DE3480512D1 (da)
DK (1) DK166243C (da)
FI (1) FI79211C (da)
SG (1) SG4592G (da)
WO (1) WO1984004637A1 (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661995A (en) * 1985-02-21 1987-04-28 Anritsu Electric Co., Limited Multi-superheterodyne receiver
JPS63161718A (ja) * 1986-12-24 1988-07-05 Matsushita Electric Ind Co Ltd 選局装置
FI85636C (fi) * 1988-08-19 1992-05-11 Nokia Mobira Oy Foerfarande och koppling foer automatisk, pao en raeknare baserad reglering av frekvensen i en radiotelefon.
DE69020598T2 (de) * 1989-02-17 1996-04-04 Matsushita Electric Ind Co Ltd Tuner zur Abstimmung auf ausgewählte Stationen.
US6002926A (en) * 1989-09-27 1999-12-14 Nec Corporation Double superheterodyne type receiving circuit
GB2250877A (en) * 1990-09-22 1992-06-17 Motorola Israel Ltd Shifting spurious frequencies away from signal frequency
FR2728410B1 (fr) * 1994-12-16 1997-01-24 Thomson Csf Dispositif de synthese de frequence pour recepteur v/uhf large bande
DE69917075T2 (de) * 1998-11-30 2004-11-04 General Instrument Corporation Universalmodulator
US7043211B1 (en) 1998-11-30 2006-05-09 General Instrument Corporation Universal modulator
FI19991977A (fi) 1999-09-16 2001-03-16 Nokia Networks Oy Menetelmä ja laite signaalin tuottamiseksi
KR20010059868A (ko) * 1999-12-30 2001-07-06 윤종용 듀얼 위상동기루프의 주파수 발생 방법
DK1327377T3 (da) 2000-10-04 2007-12-10 Oticon As Höreapparat med en höjfrekvensmodtager
JP2003198402A (ja) * 2001-12-21 2003-07-11 Toyota Industries Corp 受信機
GB2402564B (en) * 2003-06-07 2006-04-05 Zarlink Semiconductor Ltd Multiple conversion tuner
TW201401791A (zh) * 2012-06-18 2014-01-01 Wistron Neweb Corp 無線通訊系統之射頻接收裝置
CN103516372A (zh) * 2012-06-21 2014-01-15 启碁科技股份有限公司 射频接收装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55121710A (en) * 1979-03-12 1980-09-19 Clarion Co Ltd Short-medium wave conversion system
JPS5612129A (en) * 1979-07-10 1981-02-06 Matsushita Electric Ind Co Ltd Synthesizer type receiver
US4395777A (en) * 1980-01-12 1983-07-26 Sony Corporation Double superheterodyne receiver
JPS5769927A (en) * 1980-10-20 1982-04-30 Matsushita Electric Ind Co Ltd Pll synthesizer receiver
DE3200560A1 (de) * 1982-01-12 1983-07-21 Robert Bosch Gmbh, 7000 Stuttgart "verfahren zur unterdrueckung von spiegelwellen- und intermodulationsstoerungen"

Also Published As

Publication number Publication date
SG4592G (en) 1992-03-20
WO1984004637A1 (en) 1984-11-22
EP0144394A1 (en) 1985-06-19
FI850167A0 (fi) 1985-01-15
FI850167L (fi) 1985-01-15
DK166243C (da) 1993-08-16
AU3012784A (en) 1984-12-04
EP0144394B1 (en) 1989-11-15
DK18385D0 (da) 1985-01-15
FI79211B (fi) 1989-07-31
DE3480512D1 (en) 1989-12-21
AU562869B2 (en) 1987-06-18
DK166243B (da) 1993-03-22
FI79211C (fi) 1989-11-10
EP0144394A4 (en) 1985-12-30
CA1221741A (en) 1987-05-12

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Legal Events

Date Code Title Description
PBP Patent lapsed