DE3260840D1 - Transmitter for transmitting an fsk-modulated signal - Google Patents

Transmitter for transmitting an fsk-modulated signal

Info

Publication number
DE3260840D1
DE3260840D1 DE8282201212T DE3260840T DE3260840D1 DE 3260840 D1 DE3260840 D1 DE 3260840D1 DE 8282201212 T DE8282201212 T DE 8282201212T DE 3260840 T DE3260840 T DE 3260840T DE 3260840 D1 DE3260840 D1 DE 3260840D1
Authority
DE
Germany
Prior art keywords
fsk
transmitter
transmitting
modulated signal
modulated
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8282201212T
Other languages
English (en)
Inventor
Tol Nicolaas Van
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3260840D1 publication Critical patent/DE3260840D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H04L27/122—Modulator circuits; Transmitter circuits using digital generation of carrier signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2014—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
  • Near-Field Transmission Systems (AREA)
DE8282201212T 1981-10-02 1982-09-29 Transmitter for transmitting an fsk-modulated signal Expired DE3260840D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8104487 1981-10-02

Publications (1)

Publication Number Publication Date
DE3260840D1 true DE3260840D1 (en) 1984-10-31

Family

ID=19838150

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282201212T Expired DE3260840D1 (en) 1981-10-02 1982-09-29 Transmitter for transmitting an fsk-modulated signal

Country Status (6)

Country Link
US (1) US4555792A (de)
EP (1) EP0076545B1 (de)
JP (1) JPS5890858A (de)
BR (1) BR8205727A (de)
CA (1) CA1211793A (de)
DE (1) DE3260840D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689803A (en) * 1985-06-10 1987-08-25 Megapulse Inc. Antenna tuning system and method
AU598811B2 (en) * 1987-05-01 1990-07-05 Megapulse Incorporated Dynamic antenna tuning system and method
US5987058A (en) * 1988-11-02 1999-11-16 Axonn Corporation Wireless alarm system
US5189381A (en) * 1991-10-31 1993-02-23 Advanced Micro Devices, Inc. Apparatus for generating a sinusoidal output signal
GB9204200D0 (en) * 1992-02-27 1992-04-08 Goble Nigel M An inductive loop power transmission system
US5893027A (en) * 1996-11-05 1999-04-06 Motorola, Inc. Fully integrated two-way radio transmitter utilizing current mode transmit buffer and method of using same
DE10142807B4 (de) * 2001-08-31 2005-10-13 Leuze Electronic Gmbh & Co Kg Optoelektronische Vorrichtung
US6565001B1 (en) * 2001-11-08 2003-05-20 Em Microelectronics-Us, Inc Receiver circuit and method for a contactless identification system
US7110729B1 (en) * 2003-01-22 2006-09-19 National Semiconductor Corporation Apparatus and method for generating a temperature insensitive reference current

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095539A (en) * 1959-12-18 1963-06-25 Sylvania Electric Prod Digitally positioned wave filter
DE1290204B (de) * 1966-03-23 1969-03-06 Rohde & Schwarz Verfahren und Anordnung zur Nachrichtenuebertragung durch Umschalten der Ausgangsfrequenz eines Hochfrequenzgenerators
US3474451A (en) * 1967-04-10 1969-10-21 William E Abel Loop antenna circuit coupling multiple transmitters
US3648195A (en) * 1970-03-11 1972-03-07 Digitronics Corp Modulator using a harmonic filter
US3638142A (en) * 1970-07-20 1972-01-25 Ericsson Telefon Ab L M Frequency shift modulator with amplitude compensation
US3812929A (en) * 1971-07-26 1974-05-28 Citation Mfg Co Inc Self-propelled golf cart
US3939422A (en) * 1974-02-12 1976-02-17 Westinghouse Electric Corporation Dynamic antenna tuner
US3934202A (en) * 1974-03-25 1976-01-20 Telesonic Systems, Inc. Tour guide system including means for noise and crosstalk suppression
US4083008A (en) * 1975-04-10 1978-04-04 Blaupunkt-Werke Gmbh Method and circuit for generation of digitally frequency-shiftable electric signals
US4087755A (en) * 1975-10-01 1978-05-02 International Telephone & Telegraph Corporation Solid state pulse generator for an air navigational system
GB1590322A (en) * 1977-05-20 1981-05-28 Racal Res Ltd Data transmission
US4170764A (en) * 1978-03-06 1979-10-09 Bell Telephone Laboratories, Incorporated Amplitude and frequency modulation system
GB2066628B (en) * 1979-12-21 1984-04-04 Philips Electronic Associated Circuit arrangement for transmitting binary data elements as two tone frequences

Also Published As

Publication number Publication date
JPS5890858A (ja) 1983-05-30
US4555792A (en) 1985-11-26
JPH027543B2 (de) 1990-02-19
EP0076545A1 (de) 1983-04-13
EP0076545B1 (de) 1984-09-26
CA1211793A (en) 1986-09-23
BR8205727A (pt) 1983-09-06

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee