SE9101055L - Frekvensmodulerbar frekvensgenerator - Google Patents

Frekvensmodulerbar frekvensgenerator

Info

Publication number
SE9101055L
SE9101055L SE9101055A SE9101055A SE9101055L SE 9101055 L SE9101055 L SE 9101055L SE 9101055 A SE9101055 A SE 9101055A SE 9101055 A SE9101055 A SE 9101055A SE 9101055 L SE9101055 L SE 9101055L
Authority
SE
Sweden
Prior art keywords
frequency
data signal
numerical values
register
modulated
Prior art date
Application number
SE9101055A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Other versions
SE466981B (sv
SE9101055D0 (sv
Inventor
T Boegl
Original Assignee
Rohde & Schwarz
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 Rohde & Schwarz filed Critical Rohde & Schwarz
Publication of SE9101055D0 publication Critical patent/SE9101055D0/xx
Publication of SE466981B publication Critical patent/SE466981B/sv
Publication of SE9101055L publication Critical patent/SE9101055L/

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
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/1806—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop the frequency divider comprising a phase accumulator generating the frequency divided signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
SE9101055A 1989-11-28 1991-04-09 Frekvensmodulerbar frekvensgenerator SE9101055L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3939259A DE3939259A1 (de) 1989-11-28 1989-11-28 Frequenzmodulierbarer frequenzgenerator

Publications (3)

Publication Number Publication Date
SE9101055D0 SE9101055D0 (sv) 1991-04-09
SE466981B SE466981B (sv) 1992-05-04
SE9101055L true SE9101055L (sv) 1992-05-04

Family

ID=6394317

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9101055A SE9101055L (sv) 1989-11-28 1991-04-09 Frekvensmodulerbar frekvensgenerator

Country Status (4)

Country Link
US (1) US5053728A (enExample)
EP (1) EP0429859A3 (enExample)
DE (1) DE3939259A1 (enExample)
SE (1) SE9101055L (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187721A (en) * 1987-03-04 1993-02-16 National Semiconductor Corporation Frequency shift keying modulator
US5311556A (en) * 1991-08-30 1994-05-10 Elsag International B.V. Digital FSK transmitter receiver and method of operating same
FI90169C (fi) * 1991-12-31 1993-12-27 Nokia Mobile Phones Ltd Foerfarande och kopplingsarrangemang foer att alstra en modulerad signal
JPH0697738A (ja) * 1992-09-10 1994-04-08 Nec Corp ディジタルｆｍ変調器
US5323125A (en) * 1993-03-15 1994-06-21 Motorola, Inc. Frequency agile method for transmitting multi-level data
JPH1198033A (ja) * 1997-09-25 1999-04-09 Circuit Design:Kk ワイヤレス・マイクロホン用ｕｈｆ帯搬送波ｆｍ送信機
US6707857B1 (en) * 2000-07-14 2004-03-16 Ericsson Inc. Reference signal pre-distortion for transmitter with frequency synthesizer based phase encoding
AU2001281282A1 (en) * 2000-07-14 2002-01-30 Ericsson Inc. Phase modulator using a frequency synthesizer
KR20020052451A (ko) * 2000-12-26 2002-07-04 박태진 다중 주파수 천이 키잉 신호 발생 장치 및 방법
US7482885B2 (en) * 2005-12-29 2009-01-27 Orca Systems, Inc. Method of frequency synthesis for fast switching
US7519349B2 (en) * 2006-02-17 2009-04-14 Orca Systems, Inc. Transceiver development in VHF/UHF/GSM/GPS/bluetooth/cordless telephones
EP3306817B8 (en) * 2016-10-07 2021-04-21 Rohde & Schwarz GmbH & Co. KG Predistortion system and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735269A (en) * 1971-10-29 1973-05-22 Rockland Systems Corp Digital frequency synthesizer
GB2071966B (en) * 1979-06-08 1983-10-26 Ericsson Telefon Ab L M Converter included in a phase modulator
US4628286A (en) * 1985-04-17 1986-12-09 Rca Corporation Digital frequency modulator
US4871987A (en) * 1987-03-28 1989-10-03 Kabushiki Kaisha Kenwood FSK or am modulator with digital waveform shaping
DE3740130C1 (de) * 1987-11-26 1989-06-08 Rohde & Schwarz Sinusgenerator
US5016259A (en) * 1989-03-03 1991-05-14 The Grass Valley Group, Inc. Low jitter DDFS FSK modulator

Also Published As

Publication number Publication date
EP0429859A2 (de) 1991-06-05
DE3939259A1 (de) 1991-05-29
SE466981B (sv) 1992-05-04
EP0429859A3 (en) 1992-11-25
SE9101055D0 (sv) 1991-04-09
DE3939259C2 (enExample) 1992-05-27
US5053728A (en) 1991-10-01

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