IL112550A - התקן רדיו ורדיו משדר-משיב חד-תדר - Google Patents

התקן רדיו ורדיו משדר-משיב חד-תדר

Info

Publication number
IL112550A
IL112550A IL11255095A IL11255095A IL112550A IL 112550 A IL112550 A IL 112550A IL 11255095 A IL11255095 A IL 11255095A IL 11255095 A IL11255095 A IL 11255095A IL 112550 A IL112550 A IL 112550A
Authority
IL
Israel
Prior art keywords
frequency
oscillator
signal
radio
direct conversion
Prior art date
Application number
IL11255095A
Other languages
English (en)
Other versions
IL112550A0 (en
Original Assignee
Motorola Israel Ltd
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 Motorola Israel Ltd filed Critical Motorola Israel Ltd
Priority to IL12305195A priority Critical patent/IL123051A/xx
Publication of IL112550A0 publication Critical patent/IL112550A0/xx
Publication of IL112550A publication Critical patent/IL112550A/he

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/045—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation; Modification of the working range
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
    • H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IL11255095A 1994-02-23 1995-02-06 התקן רדיו ורדיו משדר-משיב חד-תדר IL112550A (he)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IL12305195A IL123051A (en) 1994-02-23 1995-02-06 Radio device and single-frequency radio transponder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9403427A GB2287144B (en) 1994-02-23 1994-02-23 A radio device and a single-frequency radio transponder

Publications (2)

Publication Number Publication Date
IL112550A0 IL112550A0 (en) 1995-05-26
IL112550A true IL112550A (he) 1998-08-16

Family

ID=10750784

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11255095A IL112550A (he) 1994-02-23 1995-02-06 התקן רדיו ורדיו משדר-משיב חד-תדר

Country Status (4)

Country Link
AU (1) AU692812B2 (he)
GB (1) GB2287144B (he)
IL (1) IL112550A (he)
ZA (1) ZA95891B (he)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5963600A (en) * 1997-03-04 1999-10-05 Northrop Grumman Corporation Micro-controller based frequency calibration
FI112741B (fi) 1998-11-26 2003-12-31 Nokia Corp Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa
US6658237B1 (en) * 1999-03-02 2003-12-02 Skyworks Solutions, Inc. Multi-Band transceiver utilizing direct conversion receiver
EP1969728A1 (en) * 2005-12-28 2008-09-17 Nxp B.V. A wideband communications receiver and a method for receiving data frames from a wireless device in a wireless local area network
GB2453767A (en) 2007-10-19 2009-04-22 Toumaz Technology Ltd Automatic frequency correction in a frequency shift keying recevier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419614A1 (fr) * 1978-03-10 1979-10-05 Cit Alcatel Circuit de recuperation de la porteuse d'un signal numerique synchrone transmis par modulation d'amplitude
GB2191367B (en) * 1986-05-29 1990-04-11 Rca Corp Circuitry for reducing demodulation phase error as for an automatic deghosting system
GB2213663A (en) * 1987-12-11 1989-08-16 Philips Electronic Associated Data demodulator carrier phase locking

Also Published As

Publication number Publication date
ZA95891B (en) 1996-08-05
AU692812B2 (en) 1998-06-18
GB2287144A (en) 1995-09-06
GB2287144B (en) 1998-11-18
IL112550A0 (en) 1995-05-26
AU1165595A (en) 1995-08-31
GB9403427D0 (en) 1994-04-13

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Legal Events

Date Code Title Description
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KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees