GB2281827B - Oscillation circuit and PLL IC - Google Patents

Oscillation circuit and PLL IC

Info

Publication number: GB2281827B
Authority: GB; United Kingdom
Prior art keywords: pll; oscillation circuit; oscillation; circuit
Prior art date: 1993-09-03
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

GB9416245A

Other versions

GB2281827A (en

GB9416245D0 (en

Inventor

Yoshitaka Hirose

Jun Sugawara

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.)

Alps Alpine Co Ltd

Original Assignee

Alps Electric Co 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.)

1993-09-03

Filing date

1994-08-11

Publication date

1998-01-21

1994-08-11 Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd

1994-10-05 Publication of GB9416245D0 publication Critical patent/GB9416245D0/en

1995-03-15 Publication of GB2281827A publication Critical patent/GB2281827A/en

1998-01-21 Application granted granted Critical

1998-01-21 Publication of GB2281827B publication Critical patent/GB2281827B/en

2014-08-11 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/405—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with multiple discrete channels
- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
- H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail
- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Transceivers (AREA)
Transmitters (AREA)
Circuits Of Receivers In General (AREA)

GB9416245A 1993-09-03 1994-08-11 Oscillation circuit and PLL IC Expired - Fee Related GB2281827B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP5220174A JPH0774671A (en)	1993-09-03	1993-09-03	Oscillation circuit and pll ic for transmitter-receiver

Publications (3)

Publication Number	Publication Date
GB9416245D0 GB9416245D0 (en)	1994-10-05
GB2281827A GB2281827A (en)	1995-03-15
GB2281827B true GB2281827B (en)	1998-01-21

Family

ID=16747050

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9416245A Expired - Fee Related GB2281827B (en)	1993-09-03	1994-08-11	Oscillation circuit and PLL IC

Country Status (4)

Country	Link
JP (1)	JPH0774671A (en)
DE (1)	DE4431172C2 (en)
DK (1)	DK174133B1 (en)
GB (1)	GB2281827B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19528069C2 (en) *	1995-07-31	1998-10-15	Siemens Ag	Radio
DE19736464A1 (en) *	1997-08-21	1999-03-04	Siemens Ag	Method and device for setting the oscillation frequency of an oscillator
DE19736463C2 (en) *	1997-08-21	2001-02-22	Siemens Ag	Method and device for setting the oscillation frequency of an oscillator
JP3358619B2 (en) *	1999-12-06	2002-12-24	セイコーエプソン株式会社	Temperature compensated oscillator, method of controlling temperature compensated oscillator, and wireless communication device
US9276622B2 (en)	2013-03-14	2016-03-01	Qualcomm Incorporated	Local oscillator (LO) generator with multi-phase divider and phase locked loop

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4988955A (en) *	1989-02-17	1991-01-29	Kabushiki Kaisha Toshiba	Phase-locked loop apparatus

1993
- 1993-09-03 JP JP5220174A patent/JPH0774671A/en active Pending
1994
- 1994-08-11 GB GB9416245A patent/GB2281827B/en not_active Expired - Fee Related
- 1994-09-01 DK DK100994A patent/DK174133B1/en not_active IP Right Cessation
- 1994-09-01 DE DE19944431172 patent/DE4431172C2/en not_active Expired - Fee Related

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4988955A (en) *	1989-02-17	1991-01-29	Kabushiki Kaisha Toshiba	Phase-locked loop apparatus

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JAPIO abstract of JP 050308285 (NEC) 19.11.93 (see abstract) *
JAPIO abstract of JP050308284 (NEC) 19.11.93 (see abstract) *

Also Published As

Publication number	Publication date
GB2281827A (en)	1995-03-15
DK100994A (en)	1995-03-04
GB9416245D0 (en)	1994-10-05
DK174133B1 (en)	2002-07-08
DE4431172C2 (en)	1999-03-18
DE4431172A1 (en)	1995-03-09
JPH0774671A (en)	1995-03-17

Publication	Publication Date	Title
GB2293066B (en)	1998-10-07	VCO circuit and PLL circuit thereof
GB2274033B (en)	1996-10-30	Voltage-controlled oscillation circuit
GB2274034B (en)	1997-02-12	Voltage-controller oscillation circuit
GB2217112B (en)	1992-07-01	Antenna and its electronic circuit combination
GB2271480B (en)	1996-10-30	Pll frequency synthesizer circuit
GB2312574B (en)	2000-10-11	Crystal oscillation circuit
EP0442461A3 (en)	1991-10-09	Voltage-controlled oscillator circuit
GB2240227B (en)	1994-01-12	Local oscillation circuit
DE69431855D1 (en)	2003-01-16	PLL frequency synthesizer circuit
SG48472A1 (en)	1998-04-17	Oscillation circuit and oscillation method
GB9211682D0 (en)	1992-07-15	Integrated circuit cards
EP0537747A3 (en)	1993-06-02	Oscillator circuit and proximity switch using it
EP0654902A3 (en)	1996-05-15	Symmetrical clock crystal oscillator circuit.
GB2279907B (en)	1996-11-06	An integrated circuit card
EP0488394A3 (en)	1992-07-29	Oscillation circuit
GB2281827B (en)	1998-01-21	Oscillation circuit and PLL IC
GB2313007B (en)	2001-02-21	Oscillator circuit
EP0493251A3 (en)	1993-01-20	Pll synthesizer circuit
EP0457348A3 (en)	1992-01-08	Oscillation circuit
GB2284315B (en)	1997-12-10	Integrated oscillator circuits
GB2313006B (en)	2000-09-06	Oscillator circuit
KR890018301U (en)	1989-09-09	Local oscillation circuit in electronic tuner
GB8907592D0 (en)	1989-05-17	Oscillator circuit
GB2318234B (en)	2000-09-06	Oscillator circuit
GB2284713B (en)	1997-11-12	Integrated circuit package

Legal Events

Date	Code	Title	Description
2006-04-26	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20050811