HK29290A - Oscillation circuit and oscillator for use therein - Google Patents

Oscillation circuit and oscillator for use therein Download PDF

Info

Publication number
HK29290A
HK29290A HK292/90A HK29290A HK29290A HK 29290 A HK29290 A HK 29290A HK 292/90 A HK292/90 A HK 292/90A HK 29290 A HK29290 A HK 29290A HK 29290 A HK29290 A HK 29290A
Authority
HK
Hong Kong
Prior art keywords
oscillation circuit
oscillation
oscillator
overtone
difference
Prior art date
Application number
HK292/90A
Other languages
English (en)
Inventor
Sugita Mitsuyuki
Hoshino Isamu
Original Assignee
Seiko Precision 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
Application filed by Seiko Precision Inc. filed Critical Seiko Precision Inc.
Publication of HK29290A publication Critical patent/HK29290A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02062—Details relating to the vibration mode
    • H03H9/0207—Details relating to the vibration mode the vibration mode being harmonic
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H03K3/0307—Stabilisation of output, e.g. using crystal

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
HK292/90A 1985-07-15 1990-04-19 Oscillation circuit and oscillator for use therein HK29290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60155734A JPS6216611A (ja) 1985-07-15 1985-07-15 平板状厚みすべり水晶振動子

Publications (1)

Publication Number Publication Date
HK29290A true HK29290A (en) 1990-04-27

Family

ID=15612282

Family Applications (1)

Application Number Title Priority Date Filing Date
HK292/90A HK29290A (en) 1985-07-15 1990-04-19 Oscillation circuit and oscillator for use therein

Country Status (8)

Country Link
US (1) US4710731A (fr)
JP (1) JPS6216611A (fr)
CH (1) CH669074A5 (fr)
DE (1) DE3623840A1 (fr)
FR (1) FR2584866B1 (fr)
GB (1) GB2177867B (fr)
HK (1) HK29290A (fr)
SG (1) SG55089G (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0640612B2 (ja) * 1986-03-31 1994-05-25 朝日電波株式会社 圧電振動子
US5113153A (en) * 1991-05-20 1992-05-12 International Business Machines Corporation High-frequency monolithic oscillator structure for third-overtone crystals
US20070100666A1 (en) * 2002-08-22 2007-05-03 Stivoric John M Devices and systems for contextual and physiological-based detection, monitoring, reporting, entertainment, and control of other devices
CN103018561A (zh) * 2012-11-30 2013-04-03 上海斐讯数据通信技术有限公司 一种芯片负性阻抗的检测电路和方法
US11005446B2 (en) 2019-05-07 2021-05-11 Fox Enterprises, Inc. Resonators and devices with a pixel electrode operating across a gap
US10931284B2 (en) 2019-05-07 2021-02-23 Fox Enterprises, Inc. Resonators and devices with pixel based electrodes operating across a gap

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1244250B (de) * 1959-04-09 1967-07-13 Tokujiro Ando Kristallschwinger in Form einer konvexen, vorzugsweise bikonvexen Linse
GB1467718A (en) * 1974-06-25 1977-03-23 Gen Electric Co Ltd Piezoelectric resonators
GB1536066A (en) * 1976-01-29 1978-12-20 Seiko Instr & Electronics Piezo-electric vibrator
DE2641571B1 (de) * 1976-09-15 1977-06-08 Siemens Ag Als obertonquarz verwendeter dickenscherungsschwinger
DE2752734B1 (de) * 1977-11-25 1979-04-26 Siemens Ag Als Obertonresonator verwendeter Dickenscherschwinger
JPS55133120A (en) * 1979-04-03 1980-10-16 Seiko Instr & Electronics Ltd Thickness-slip-bending quartz oscillator
JPS5675718A (en) * 1979-11-22 1981-06-23 Seiko Instr & Electronics Ltd Quartz oscillator
JPS58165412A (ja) * 1982-03-26 1983-09-30 Fujitsu Ltd 水晶振動子

Also Published As

Publication number Publication date
FR2584866A1 (fr) 1987-01-16
GB2177867B (en) 1988-12-21
JPS6216611A (ja) 1987-01-24
DE3623840A1 (de) 1987-01-15
SG55089G (en) 1989-12-08
FR2584866B1 (fr) 1991-02-22
GB8617082D0 (en) 1986-08-20
US4710731A (en) 1987-12-01
CH669074A5 (fr) 1989-02-15
GB2177867A (en) 1987-01-28

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PF Patent in force
PE Patent expired

Effective date: 20060713