SE8703143D0 - Anordning for frekvenssyntes i ett radiosystem for frekvenshopp - Google Patents

Anordning for frekvenssyntes i ett radiosystem for frekvenshopp

Info

Publication number
SE8703143D0
SE8703143D0 SE8703143A SE8703143A SE8703143D0 SE 8703143 D0 SE8703143 D0 SE 8703143D0 SE 8703143 A SE8703143 A SE 8703143A SE 8703143 A SE8703143 A SE 8703143A SE 8703143 D0 SE8703143 D0 SE 8703143D0
Authority
SE
Sweden
Prior art keywords
phase
radio
vco
reference generator
frequency divider
Prior art date
Application number
SE8703143A
Other languages
English (en)
Other versions
SE463005B (sv
SE8703143L (sv
Inventor
P M Petersson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE8703143A priority Critical patent/SE463005B/sv
Publication of SE8703143D0 publication Critical patent/SE8703143D0/sv
Priority to US07/209,624 priority patent/US4868523A/en
Publication of SE8703143L publication Critical patent/SE8703143L/sv
Publication of SE463005B publication Critical patent/SE463005B/sv

Links

Classifications

    • 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
    • H03L7/197—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 a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/199—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 a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division with reset of the frequency divider or the counter, e.g. for assuring initial synchronisation

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
SE8703143A 1987-08-13 1987-08-13 Anordning foer frekvenssyntes i ett radiosystem foer frekvenshopp SE463005B (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE8703143A SE463005B (sv) 1987-08-13 1987-08-13 Anordning foer frekvenssyntes i ett radiosystem foer frekvenshopp
US07/209,624 US4868523A (en) 1987-08-13 1988-06-21 Intermittent phase locked loop frequency synthesizer for frequency hopping radio system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8703143A SE463005B (sv) 1987-08-13 1987-08-13 Anordning foer frekvenssyntes i ett radiosystem foer frekvenshopp

Publications (3)

Publication Number Publication Date
SE8703143D0 true SE8703143D0 (sv) 1987-08-13
SE8703143L SE8703143L (sv) 1989-02-14
SE463005B SE463005B (sv) 1990-09-24

Family

ID=20369278

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8703143A SE463005B (sv) 1987-08-13 1987-08-13 Anordning foer frekvenssyntes i ett radiosystem foer frekvenshopp

Country Status (2)

Country Link
US (1) US4868523A (sv)
SE (1) SE463005B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5061904A (en) * 1990-06-29 1991-10-29 Radius Inc. Phase locked loop having sampling gate phase detector
US5311542A (en) * 1990-09-19 1994-05-10 Honeywell Inc. Spread spectrum communication system
JP3241079B2 (ja) * 1992-02-24 2001-12-25 株式会社日立製作所 ディジタル位相同期回路
DE4232609A1 (de) * 1992-09-29 1994-03-31 Bosch Gmbh Robert PLL-Schaltung
SE519263C2 (sv) * 1996-12-02 2003-02-04 Ericsson Telefon Ab L M Anordning för sändning på flera frekvenser i ett radiokommunikationssystem
US6223061B1 (en) * 1997-07-25 2001-04-24 Cleveland Medical Devices Inc. Apparatus for low power radio communications
JP4571283B2 (ja) * 2000-08-10 2010-10-27 アンリツ株式会社 波形測定装置
US9553565B2 (en) * 2011-09-29 2017-01-24 Silicon Laboratories Inc. Automatic frequency compensation method and apparatus
US9991897B1 (en) * 2017-01-25 2018-06-05 Qualcomm Incorporated Sampling phase-locked loop (PLL)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091960B (en) * 1981-01-27 1985-06-19 Int Standard Electric Corp High speed frequency synthesizer
JPS61157028A (ja) * 1984-12-28 1986-07-16 Fujitsu Ltd 周波数シンセサイザ
JPS6216617A (ja) * 1985-07-15 1987-01-24 Nec Corp Ｐｌｌ周波数シンセサイザ
US4654859A (en) * 1986-04-09 1987-03-31 Racal Data Communications Inc. Frequency synthesizer for frequency hopping communication system

Also Published As

Publication number Publication date
US4868523A (en) 1989-09-19
SE463005B (sv) 1990-09-24
SE8703143L (sv) 1989-02-14

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