GB2337884B - Voltage controlled oscillator - Google Patents

Voltage controlled oscillator

Info

Publication number
GB2337884B
GB2337884B GB9811302A GB9811302A GB2337884B GB 2337884 B GB2337884 B GB 2337884B GB 9811302 A GB9811302 A GB 9811302A GB 9811302 A GB9811302 A GB 9811302A GB 2337884 B GB2337884 B GB 2337884B
Authority
GB
United Kingdom
Prior art keywords
controlled oscillator
voltage controlled
voltage
oscillator
controlled
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 - Fee Related
Application number
GB9811302A
Other versions
GB9811302D0 (en
GB2337884A (en
Inventor
Adrian Bruce Nickerson
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.)
Motorola Solutions UK Ltd
Original Assignee
Motorola 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 Ltd filed Critical Motorola Ltd
Priority to GB9811302A priority Critical patent/GB2337884B/en
Publication of GB9811302D0 publication Critical patent/GB9811302D0/en
Publication of GB2337884A publication Critical patent/GB2337884A/en
Application granted granted Critical
Publication of GB2337884B publication Critical patent/GB2337884B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037—Functional aspects of modulators
    • H03C2200/005—Modulation sensitivity
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037—Functional aspects of modulators
    • H03C2200/0079—Measures to linearise modulation or reduce distortion of modulation characteristics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals
GB9811302A 1998-05-26 1998-05-26 Voltage controlled oscillator Expired - Fee Related GB2337884B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9811302A GB2337884B (en) 1998-05-26 1998-05-26 Voltage controlled oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9811302A GB2337884B (en) 1998-05-26 1998-05-26 Voltage controlled oscillator

Publications (3)

Publication Number Publication Date
GB9811302D0 GB9811302D0 (en) 1998-07-22
GB2337884A GB2337884A (en) 1999-12-01
GB2337884B true GB2337884B (en) 2000-06-07

Family

ID=10832726

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9811302A Expired - Fee Related GB2337884B (en) 1998-05-26 1998-05-26 Voltage controlled oscillator

Country Status (1)

Country Link
GB (1) GB2337884B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2798019B1 (en) 1999-08-26 2002-08-16 Cit Alcatel PHASE LOOP FREQUENCY SYNTHESIZER
KR100396880B1 (en) * 2000-08-28 2003-09-02 삼성전자주식회사 Low noise frequency modulator having variable carrier frequency
US6459253B1 (en) 2000-09-05 2002-10-01 Telefonaktiebolaget Lm Ericsson (Publ) Bandwidth calibration for frequency locked loop
US7046098B2 (en) 2001-11-27 2006-05-16 Texas Instruments Incorporated All-digital frequency synthesis with capacitive re-introduction of dithered tuning information
EP1351397A3 (en) * 2001-11-27 2005-03-02 Texas Instruments Incorporated All-digital frequency synthesis with capacitive re-introduction of dithered tuning information
US6836192B1 (en) 2002-01-16 2004-12-28 Microtune (San Diego), Inc. Methods and apparatuses for tuning voltage controlled oscillators
DE10207544A1 (en) * 2002-02-22 2003-09-18 Infineon Technologies Ag Method for matching a two-point modulator and two-point modulator with a matching device
DE60304716D1 (en) * 2002-09-06 2006-05-24 Ericsson Telefon Ab L M PHASE CONTROL CIRCULAR MODULATOR WITH CORRECTION OF THE REINFORCEMENT OF THE MODULATION SIGNAL
US6700447B1 (en) 2002-09-06 2004-03-02 Telefonaktiebolaget Lm Ericsson (Publ) Trimming of a two point phase modulator
CN113608106B (en) * 2021-08-04 2022-09-13 湖南迈克森伟电子科技有限公司 Circuit and method for rapidly detecting VCO (voltage controlled oscillator) tuning sensitivity

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309674A (en) * 1978-09-02 1982-01-05 Marconi Instruments Limited Frequency modulators with compensation for variations in modulation sensitivity

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309674A (en) * 1978-09-02 1982-01-05 Marconi Instruments Limited Frequency modulators with compensation for variations in modulation sensitivity

Also Published As

Publication number Publication date
GB9811302D0 (en) 1998-07-22
GB2337884A (en) 1999-12-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee