GB2360157B - Debouncer circuit - Google Patents

Debouncer circuit

Info

Publication number
GB2360157B
GB2360157B GB0113891A GB0113891A GB2360157B GB 2360157 B GB2360157 B GB 2360157B GB 0113891 A GB0113891 A GB 0113891A GB 0113891 A GB0113891 A GB 0113891A GB 2360157 B GB2360157 B GB 2360157B
Authority
GB
United Kingdom
Prior art keywords
debouncer circuit
debouncer
circuit
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
GB0113891A
Other versions
GB2360157A (en
GB0113891D0 (en
Inventor
Bin Wu
Richard C Walker
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.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies 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
Priority claimed from US08/885,368 external-priority patent/US6055286A/en
Application filed by Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of GB0113891D0 publication Critical patent/GB0113891D0/en
Publication of GB2360157A publication Critical patent/GB2360157A/en
Application granted granted Critical
Publication of GB2360157B publication Critical patent/GB2360157B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • 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
    • H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
    • 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 or are interrupted
    • 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
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB0113891A 1997-07-01 1998-06-15 Debouncer circuit Expired - Fee Related GB2360157B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/885,368 US6055286A (en) 1997-07-01 1997-07-01 Oversampling rotational frequency detector
GB9812928A GB2331646B (en) 1997-07-01 1998-06-15 An oversampling rotational frequency detector

Publications (3)

Publication Number Publication Date
GB0113891D0 GB0113891D0 (en) 2001-08-01
GB2360157A GB2360157A (en) 2001-09-12
GB2360157B true GB2360157B (en) 2001-10-24

Family

ID=26313874

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0113891A Expired - Fee Related GB2360157B (en) 1997-07-01 1998-06-15 Debouncer circuit
GB0113893A Expired - Fee Related GB2360409B (en) 1997-07-01 1998-06-15 Frequency detector

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0113893A Expired - Fee Related GB2360409B (en) 1997-07-01 1998-06-15 Frequency detector

Country Status (1)

Country Link
GB (2) GB2360157B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4775840A (en) * 1985-12-25 1988-10-04 Iwatsu Electric Co., Ltd. Noise removing circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2330736B (en) * 1997-10-24 2002-04-10 Mitel Corp Timing recovery with minimum jitter movement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4775840A (en) * 1985-12-25 1988-10-04 Iwatsu Electric Co., Ltd. Noise removing circuit

Also Published As

Publication number Publication date
GB2360409A (en) 2001-09-19
GB2360409B (en) 2001-10-31
GB2360157A (en) 2001-09-12
GB0113891D0 (en) 2001-08-01
GB0113893D0 (en) 2001-08-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070615