DK163623C - Variabel referencefrekvensgenerator styret af digitale data - Google Patents

Variabel referencefrekvensgenerator styret af digitale data

Info

Publication number
DK163623C
DK163623C DK014684A DK14684A DK163623C DK 163623 C DK163623 C DK 163623C DK 014684 A DK014684 A DK 014684A DK 14684 A DK14684 A DK 14684A DK 163623 C DK163623 C DK 163623C
Authority
DK
Denmark
Prior art keywords
digital data
reference frequency
frequency generator
variable reference
generator digital
Prior art date
Application number
DK014684A
Other languages
Danish (da)
English (en)
Other versions
DK14684A (da
DK163623B (da
DK14684D0 (da
Inventor
Ronald H Chapman
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
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of DK14684A publication Critical patent/DK14684A/da
Publication of DK14684D0 publication Critical patent/DK14684D0/da
Publication of DK163623B publication Critical patent/DK163623B/da
Application granted granted Critical
Publication of DK163623C publication Critical patent/DK163623C/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0975—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation in the phase locked loop at components other than the divider, the voltage controlled oscillator or the reference clock
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0966—Modifications of modulator for regulating the mean frequency using a phase locked loop modulating the reference clock
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/06—Frequency or rate modulation, i.e. PFM or PRM
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DK014684A 1982-05-14 1984-01-13 Variabel referencefrekvensgenerator styret af digitale data DK163623C (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US37803782A 1982-05-14 1982-05-14
US37803782 1982-05-14
PCT/US1983/000615 WO1983004148A1 (en) 1982-05-14 1983-04-21 Pulse adding and subtracting circuit controlled by digital data
US8300615 1983-04-21

Publications (4)

Publication Number Publication Date
DK14684A DK14684A (da) 1984-01-13
DK14684D0 DK14684D0 (da) 1984-01-13
DK163623B DK163623B (da) 1992-03-16
DK163623C true DK163623C (da) 1992-08-17

Family

ID=23491467

Family Applications (1)

Application Number Title Priority Date Filing Date
DK014684A DK163623C (da) 1982-05-14 1984-01-13 Variabel referencefrekvensgenerator styret af digitale data

Country Status (11)

Country Link
EP (1) EP0108124B1 (fi)
AU (1) AU561184B2 (fi)
CA (1) CA1194156A (fi)
DE (1) DE3380333D1 (fi)
DK (1) DK163623C (fi)
FI (1) FI840102A (fi)
IL (1) IL68509A (fi)
MX (1) MX153073A (fi)
SG (1) SG86491G (fi)
WO (1) WO1983004148A1 (fi)
ZA (1) ZA832834B (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61277211A (ja) * 1985-06-03 1986-12-08 Toshiba Corp 周波数変換装置
GB2313000B (en) * 1996-05-07 2000-10-25 Nokia Mobile Phones Ltd Frequency modulation using a phase-locked loop

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206424A (en) * 1978-10-03 1980-06-03 Rca Corporation Digitized phase modulating means

Also Published As

Publication number Publication date
SG86491G (en) 1991-11-22
EP0108124B1 (en) 1989-08-02
DK14684A (da) 1984-01-13
EP0108124A4 (en) 1984-09-11
FI840102A0 (fi) 1984-01-12
DK163623B (da) 1992-03-16
WO1983004148A1 (en) 1983-11-24
DE3380333D1 (en) 1989-09-07
FI840102A (fi) 1984-01-12
CA1194156A (en) 1985-09-24
IL68509A (en) 1986-09-30
MX153073A (es) 1986-07-25
AU1609083A (en) 1983-12-02
IL68509A0 (en) 1983-07-31
AU561184B2 (en) 1987-04-30
ZA832834B (en) 1984-03-28
EP0108124A1 (en) 1984-05-16
DK14684D0 (da) 1984-01-13

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Legal Events

Date Code Title Description
PUP Patent expired