GB2025182B - Integratedfrequency divider - Google Patents

Integratedfrequency divider

Info

Publication number
GB2025182B
GB2025182B GB7921506A GB7921506A GB2025182B GB 2025182 B GB2025182 B GB 2025182B GB 7921506 A GB7921506 A GB 7921506A GB 7921506 A GB7921506 A GB 7921506A GB 2025182 B GB2025182 B GB 2025182B
Authority
GB
United Kingdom
Prior art keywords
frequency
divider
transistors
capacitor
signal
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
Application number
GB7921506A
Other languages
English (en)
Other versions
GB2025182A (en
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.)
Ebauches SA
Original Assignee
Ebauches SA
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 Ebauches SA filed Critical Ebauches SA
Publication of GB2025182A publication Critical patent/GB2025182A/en
Application granted granted Critical
Publication of GB2025182B publication Critical patent/GB2025182B/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G3/00Producing timing pulses
    • G04G3/02Circuits for deriving low frequency timing pulses from pulses of higher frequency
    • G04G3/025Circuits for deriving low frequency timing pulses from pulses of higher frequency by storing time-date which are periodically investigated and modified accordingly, e.g. by using cyclic shift-registers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C19/00Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/18Digital stores in which the information is moved stepwise, e.g. shift registers using capacitors as main elements of the stages
    • G11C19/182Digital stores in which the information is moved stepwise, e.g. shift registers using capacitors as main elements of the stages in combination with semiconductor elements, e.g. bipolar transistors, diodes
    • G11C19/184Digital stores in which the information is moved stepwise, e.g. shift registers using capacitors as main elements of the stages in combination with semiconductor elements, e.g. bipolar transistors, diodes with field-effect transistors, e.g. MOS-FET
    • G11C19/186Digital stores in which the information is moved stepwise, e.g. shift registers using capacitors as main elements of the stages in combination with semiconductor elements, e.g. bipolar transistors, diodes with field-effect transistors, e.g. MOS-FET using only one transistor per capacitor, e.g. bucket brigade shift register
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K21/00Details of pulse counters or frequency dividers
    • H03K21/08Output circuits
    • H03K21/10Output circuits comprising logic circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K23/00Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/40Gating or clocking signals applied to all stages, i.e. synchronous counters
    • H03K23/42Out-of-phase gating or clocking signals applied to counter stages
    • H03K23/46Out-of-phase gating or clocking signals applied to counter stages using charge transfer devices, i.e. bucket brigade or charge coupled devices
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K23/00Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Manipulation Of Pulses (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Soil Working Implements (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB7921506A 1978-07-06 1979-06-20 Integratedfrequency divider Expired GB2025182B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7820164A FR2430696A1 (fr) 1978-07-06 1978-07-06 Diviseur de frequence integre

Publications (2)

Publication Number Publication Date
GB2025182A GB2025182A (en) 1980-01-16
GB2025182B true GB2025182B (en) 1982-07-28

Family

ID=9210405

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7921506A Expired GB2025182B (en) 1978-07-06 1979-06-20 Integratedfrequency divider

Country Status (5)

Country Link
JP (1) JPS607860B2 (enrdf_load_stackoverflow)
CH (1) CH631596B (enrdf_load_stackoverflow)
DE (1) DE2921511C2 (enrdf_load_stackoverflow)
FR (1) FR2430696A1 (enrdf_load_stackoverflow)
GB (1) GB2025182B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006346328A (ja) * 2005-06-20 2006-12-28 Hikari:Kk

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599010A (en) * 1967-11-13 1971-08-10 Texas Instruments Inc High speed, low power, dynamic shift register with synchronous logic gates
US3643106A (en) * 1970-09-14 1972-02-15 Hughes Aircraft Co Analog shift register
US3683193A (en) * 1970-10-26 1972-08-08 Rca Corp Bucket brigade scanning of sensor array
US3763480A (en) * 1971-10-12 1973-10-02 Rca Corp Digital and analog data handling devices
CH558111A (de) * 1972-07-21 1975-01-15 Battelle Memorial Institute Circuit generateur de signaux comprenant un oscillateur a quartz delivrant des signaux periodiques biphases et un demultiplicateur de la frequence de ces signaux.
US3812520A (en) * 1972-08-24 1974-05-21 Gen Instrument Corp Parasitic transistor shift register
US3973139A (en) * 1973-05-23 1976-08-03 Rca Corporation Low power counting circuits
CA1049653A (en) * 1974-05-16 1979-02-27 Robert H. Walden Charge transfer binary counter
US4038565A (en) * 1974-10-03 1977-07-26 Ramasesha Bharat Frequency divider using a charged coupled device
DE2629750A1 (de) * 1976-07-02 1978-01-05 Deutsche Bundespost Impulsuntersetzer

Also Published As

Publication number Publication date
CH631596GA3 (enrdf_load_stackoverflow) 1982-08-31
DE2921511C2 (de) 1982-04-15
FR2430696A1 (fr) 1980-02-01
JPS607860B2 (ja) 1985-02-27
GB2025182A (en) 1980-01-16
JPS5537094A (en) 1980-03-14
CH631596B (fr)
DE2921511A1 (de) 1980-01-24
FR2430696B1 (enrdf_load_stackoverflow) 1982-03-12

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920620