JP2000151279A - 水晶発振回路 - Google Patents
水晶発振回路Info
- Publication number
- JP2000151279A JP2000151279A JP10344117A JP34411798A JP2000151279A JP 2000151279 A JP2000151279 A JP 2000151279A JP 10344117 A JP10344117 A JP 10344117A JP 34411798 A JP34411798 A JP 34411798A JP 2000151279 A JP2000151279 A JP 2000151279A
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- current source
- constant current
- oscillation 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.)
- Pending
Links
- 230000010355 oscillation Effects 0.000 title claims abstract description 310
- 239000013078 crystal Substances 0.000 title claims abstract description 230
- 239000003990 capacitor Substances 0.000 claims abstract description 45
- 230000003321 amplification Effects 0.000 claims abstract description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 9
- 238000005513 bias potential Methods 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 description 61
- 238000010586 diagram Methods 0.000 description 28
- 230000000694 effects Effects 0.000 description 17
- 238000009792 diffusion process Methods 0.000 description 9
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 238000004088 simulation Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 101100321669 Fagopyrum esculentum FA02 gene Proteins 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Classifications
-
- 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
- H03B5/02—Details
- H03B5/06—Modifications of generator to ensure starting of oscillations
-
- 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
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
- H03B5/362—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator 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
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/003—Circuit elements of oscillators
- H03B2200/0034—Circuit elements of oscillators including a buffer amplifier
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10344117A JP2000151279A (ja) | 1998-03-25 | 1998-12-03 | 水晶発振回路 |
| PCT/JP1999/001322 WO1999049566A1 (fr) | 1998-03-25 | 1999-03-17 | Circuit oscillant |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9518598 | 1998-03-25 | ||
| JP18049098 | 1998-06-26 | ||
| JP10-249580 | 1998-09-03 | ||
| JP24958098 | 1998-09-03 | ||
| JP10-95185 | 1998-09-03 | ||
| JP10-180490 | 1998-09-03 | ||
| JP10344117A JP2000151279A (ja) | 1998-03-25 | 1998-12-03 | 水晶発振回路 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000151279A true JP2000151279A (ja) | 2000-05-30 |
Family
ID=27468308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10344117A Pending JP2000151279A (ja) | 1998-03-25 | 1998-12-03 | 水晶発振回路 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2000151279A (fr) |
| WO (1) | WO1999049566A1 (fr) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55148403A (en) * | 1979-05-08 | 1980-11-19 | Nippon Electric Co | Method of fabricating thin film resistor |
| JPS6050514U (ja) * | 1983-09-13 | 1985-04-09 | 日本電気株式会社 | 発振回路 |
| JPS62295444A (ja) * | 1986-06-16 | 1987-12-22 | Oki Electric Ind Co Ltd | 半導体素子の製造方法 |
| JPH07191769A (ja) * | 1993-12-27 | 1995-07-28 | Toshiba Corp | 基準電流発生回路 |
| JP3306241B2 (ja) * | 1994-12-28 | 2002-07-24 | 日本電波工業株式会社 | 水晶発振器 |
| JP3526701B2 (ja) * | 1995-08-24 | 2004-05-17 | セイコーインスツルメンツ株式会社 | 半導体装置 |
| JP3322791B2 (ja) * | 1996-02-14 | 2002-09-09 | 東洋通信機株式会社 | コルピッツ発振回路 |
-
1998
- 1998-12-03 JP JP10344117A patent/JP2000151279A/ja active Pending
-
1999
- 1999-03-17 WO PCT/JP1999/001322 patent/WO1999049566A1/fr active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999049566A1 (fr) | 1999-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20040203 |