GB2387725B - Improvements relating to synchronous oscillators - Google Patents

Improvements relating to synchronous oscillators

Info

Publication number
GB2387725B
GB2387725B GB0208034A GB0208034A GB2387725B GB 2387725 B GB2387725 B GB 2387725B GB 0208034 A GB0208034 A GB 0208034A GB 0208034 A GB0208034 A GB 0208034A GB 2387725 B GB2387725 B GB 2387725B
Authority
GB
United Kingdom
Prior art keywords
improvements relating
synchronous oscillators
oscillators
synchronous
relating
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
GB0208034A
Other versions
GB0208034D0 (en
GB2387725A (en
Inventor
Vasil Uzunoglu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0208034A priority Critical patent/GB2387725B/en
Publication of GB0208034D0 publication Critical patent/GB0208034D0/en
Priority to US10/235,394 priority patent/US6667666B2/en
Publication of GB2387725A publication Critical patent/GB2387725A/en
Application granted granted Critical
Publication of GB2387725B publication Critical patent/GB2387725B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03L7/24—Automatic control of frequency or phase; Synchronisation using a reference signal directly applied to the generator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • 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
    • H03L7/083—Details of the phase-locked loop the reference signal being additionally directly applied to the generator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0074—Locking of an oscillator by injecting an input signal directly into the oscillator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
GB0208034A 1999-10-07 2002-04-08 Improvements relating to synchronous oscillators Expired - Fee Related GB2387725B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0208034A GB2387725B (en) 2002-04-08 2002-04-08 Improvements relating to synchronous oscillators
US10/235,394 US6667666B2 (en) 1999-10-07 2002-09-05 Synchronous oscillators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0208034A GB2387725B (en) 2002-04-08 2002-04-08 Improvements relating to synchronous oscillators

Publications (3)

Publication Number Publication Date
GB0208034D0 GB0208034D0 (en) 2002-05-22
GB2387725A GB2387725A (en) 2003-10-22
GB2387725B true GB2387725B (en) 2005-09-07

Family

ID=9934426

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0208034A Expired - Fee Related GB2387725B (en) 1999-10-07 2002-04-08 Improvements relating to synchronous oscillators

Country Status (1)

Country Link
GB (1) GB2387725B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026639A2 (en) * 1979-09-27 1981-04-08 Communications Satellite Corporation Clock recovery network
US5603111A (en) * 1992-06-29 1997-02-11 Honeywell Inc. Synchronous tracking AM receiver
WO2001026213A1 (en) * 1999-10-07 2001-04-12 Firefly Technologies Inc. Improvements relating to synchronous oscillators

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026639A2 (en) * 1979-09-27 1981-04-08 Communications Satellite Corporation Clock recovery network
US5603111A (en) * 1992-06-29 1997-02-11 Honeywell Inc. Synchronous tracking AM receiver
WO2001026213A1 (en) * 1999-10-07 2001-04-12 Firefly Technologies Inc. Improvements relating to synchronous oscillators

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EDN Nov.11 1999, pp 111-118 *
Electronic Engineering,May 1993,pp 41-47 *

Also Published As

Publication number Publication date
GB0208034D0 (en) 2002-05-22
GB2387725A (en) 2003-10-22

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Legal Events

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

Effective date: 20080408

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20090331

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180408