CN107222182A - A kind of quartz crystal oscillator circuits - Google Patents
A kind of quartz crystal oscillator circuits Download PDFInfo
- Publication number
- CN107222182A CN107222182A CN201710394955.3A CN201710394955A CN107222182A CN 107222182 A CN107222182 A CN 107222182A CN 201710394955 A CN201710394955 A CN 201710394955A CN 107222182 A CN107222182 A CN 107222182A
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- China
- Prior art keywords
- resistor
- inductance
- circuit
- electric capacity
- quartz crystal
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Links
- 239000010453 quartz Substances 0.000 title claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000013078 crystal Substances 0.000 title claims abstract description 23
- 230000010355 oscillation Effects 0.000 abstract description 8
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Abstract
The invention provides a kind of quartz crystal oscillator circuits, belong to semiconductor integrated circuit technical field.The circuit includes：First resistor, second resistance, 3rd resistor, the first inductance, the second inductance, the first electric capacity and the second electric capacity；After the first resistor, the series connection of the first inductance it is in parallel with first electric capacity and the 3rd resistor again after circuit connected in series composition tie point；Circuit connected in series after second electric capacity is in parallel with second inductance and the second resistance constitutes the second branch road；The tie point and second branch circuit parallel connection are followed by between input and output end.The quartz crystal oscillator circuits of the present invention introduce the second inductance, second resistance and 3rd resistor on the basis of traditional crystal-oscillator circuit；Compared with existing quartz crystal oscillator circuit, circuit oscillation frequency of the invention can be up to hundreds of megahertzs, and this has expanded the application of quartz oscillator significantly.
Description
Technical field
The invention belongs to semiconductor integrated circuit technical field, and in particular to a kind of quartz crystal oscillator circuits.
Background technology
Quartz oscillator abbreviation quartz crystal oscillator, is to utilize the quartz crystal slice with piezo-electric effect to be made.It is this
Quartz crystal can produce mechanical oscillation when being acted on by applied alternating field, when the frequency of alternating electric field and consolidating for crystal
When having frequency identical, vibration just becomes very strong, here it is the reaction of crystal resonant characteristic.Utilize this characteristic, it is possible to use
Resonator substitution LC (coil and electric capacity) resonant tank, wave filter etc..Because resonator has small volume, lightweight, reliability
It is high, the advantages of frequency stability is high, be applied in household electrical appliance and communication equipment.Quartz oscillator device is because with high
Frequency stability, therefore be used primarily in and require to make resonant element in oscillating circuit that frequency is sufficiently stable.
Traditional quartz crystal oscillator circuits as shown in figure 1, including：First resistor R1, the first inductance L1, the first electric capacity
C1 and the second electric capacity C2.First electric capacity C1, the first inductance L1, first resistor R1 are in parallel with the second electric capacity C2 after being sequentially connected in series, and connect
In input UINWith output end UOUTBetween.
The conventional quartz crystal-oscillator circuit has the shortcomings that frequency of oscillation is low, most quartz oscillators
Frequency of oscillation is both less than 100 megahertzs.This is caused in the application scenario of many high frequencies, it is necessary to be added using quartz oscillator
The phaselocked loop of upper high frequency builds the clock system of high frequency, and this adds the complexity of design to system design, and improve
The cost of system.
The content of the invention
To solve the technical problem that existing quartz oscillator frequency of oscillation is low, the present invention shakes to traditional quartz crystal
Swing device carried out improve there is provided a kind of high quartz crystal oscillator circuits of frequency of oscillation.
A kind of quartz crystal oscillator circuits, including：First resistor R1, second resistance R2,3rd resistor R3, the first inductance
L1, the second inductance L2, the first electric capacity C1 and the second electric capacity C2；The first resistor R1, the first inductance L1 series connection after again with it is described
Circuit connected in series after the first electric capacity C1 and 3rd resistor R3 is in parallel constitutes tie point；The second electric capacity C2 and described the
Circuit connected in series after the two inductance L2 and second resistance R2 are in parallel constitutes the second branch road；The tie point with described second
Road parallel connection is followed by input UINWith output end UOUTBetween.
The quartz crystal oscillator circuits of the present invention introduce the second electricity on the basis of traditional crystal-oscillator circuit
Feel L2, second resistance R2 and 3rd resistor R3；Compared with existing quartz crystal oscillator circuit, circuit oscillation frequency of the invention
Can be up to hundreds of megahertzs, this has expanded the application of quartz oscillator significantly.
Brief description of the drawings
Fig. 1 is the electrical block diagram of traditional crystal oscillator；
Fig. 2 is the electrical block diagram for the quartz oscillator that the present invention is provided.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this
The concept of invention.
In order to solve the technical problem that traditional crystal oscillator frequency of oscillation is low, shaken the invention provides a kind of quartz crystal
Device circuit is swung, as shown in Fig. 2 including：First resistor R1, second resistance R2,3rd resistor R3, the first inductance L1, the second inductance
L2, the first electric capacity C1 and the second electric capacity C2；The first resistor R1, the first inductance L1 series connection after again with the first electric capacity C1 and
Circuit connected in series after the 3rd resistor R3 is in parallel constitutes tie point；The second electric capacity C2 and the second inductance L2 and institute
State the circuit connected in series after second resistance R2 parallel connections and constitute the second branch road；The tie point and second branch circuit parallel connection be followed by
Input UINWith output end UOUTBetween.
The quartz crystal oscillator circuits of the present invention introduce the second electricity on the basis of traditional crystal-oscillator circuit
Feel L2, second resistance R2 and 3rd resistor R3；Compared with existing quartz crystal oscillator circuit, circuit oscillation frequency of the invention
Can be up to hundreds of megahertzs, this has expanded the application of quartz oscillator significantly.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.In addition, appended claims purport of the present invention
Covering the whole changes fallen into scope and border or this scope and the equivalents on border and repairing
Change example.
Claims (1)
1. a kind of quartz crystal oscillator circuits, it is characterised in that including：First resistor R1, second resistance R2,3rd resistor
R3, the first inductance L1, the second inductance L2, the first electric capacity C1 and the second electric capacity C2；The first resistor R1, the first inductance L1 connect
Circuit connected in series after in parallel with the first electric capacity C1 and the 3rd resistor R3 again afterwards constitutes tie point；Second electric capacity
Circuit connected in series after C2 is in parallel with the second inductance L2 and the second resistance R2 constitutes the second branch road；The tie point with
Second branch circuit parallel connection is followed by input UINWith output end UOUTBetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710394955.3A CN107222182B (en) | 2017-05-30 | 2017-05-30 | Quartz crystal oscillator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710394955.3A CN107222182B (en) | 2017-05-30 | 2017-05-30 | Quartz crystal oscillator circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107222182A true CN107222182A (en) | 2017-09-29 |
| CN107222182B CN107222182B (en) | 2020-11-27 |
Family
ID=59947957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710394955.3A Expired - Fee Related CN107222182B (en) | 2017-05-30 | 2017-05-30 | Quartz crystal oscillator circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107222182B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3588742A (en) * | 1969-05-05 | 1971-06-28 | Bell Telephone Labor Inc | Lsa oscillator with first,second and third harmonic circuits for increased efficiency |
| JPH09326612A (en) * | 1996-06-04 | 1997-12-16 | Atr Kodenpa Tsushin Kenkyusho:Kk | High frequency resonance circuit device |
| CN1710771A (en) * | 2005-07-08 | 2005-12-21 | 湖南大学 | Resonant-impedance type hybrid active electric filter and control method thereof |
| JP2008005251A (en) * | 2006-06-22 | 2008-01-10 | Yoshinori Kanno | Oscillation circuit |
| CN201243273Y (en) * | 2008-07-08 | 2009-05-20 | 广州市天马电讯科技有限公司 | Temperature complement voltage-control constant temperature crystal oscillator |
| CN102117354A (en) * | 2009-12-31 | 2011-07-06 | 中国科学院微电子研究所 | Piezoelectric crystal simulation engine |
| JP2012085280A (en) * | 2010-09-14 | 2012-04-26 | Univ Of Yamanashi | Piezoelectric vibration circuit |
| CN104253587A (en) * | 2013-06-27 | 2014-12-31 | 上海海尔集成电路有限公司 | Crystal oscillator |
| CN204376833U (en) * | 2015-01-06 | 2015-06-03 | 南京理工海疆科技有限公司 | A kind of high frequency quartz oscillator |
| CN106067762A (en) * | 2016-06-15 | 2016-11-02 | 泰凌微电子（上海）有限公司 | The crystal-oscillator circuit of fast start-up |
-
2017
- 2017-05-30 CN CN201710394955.3A patent/CN107222182B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3588742A (en) * | 1969-05-05 | 1971-06-28 | Bell Telephone Labor Inc | Lsa oscillator with first,second and third harmonic circuits for increased efficiency |
| JPH09326612A (en) * | 1996-06-04 | 1997-12-16 | Atr Kodenpa Tsushin Kenkyusho:Kk | High frequency resonance circuit device |
| CN1710771A (en) * | 2005-07-08 | 2005-12-21 | 湖南大学 | Resonant-impedance type hybrid active electric filter and control method thereof |
| JP2008005251A (en) * | 2006-06-22 | 2008-01-10 | Yoshinori Kanno | Oscillation circuit |
| CN201243273Y (en) * | 2008-07-08 | 2009-05-20 | 广州市天马电讯科技有限公司 | Temperature complement voltage-control constant temperature crystal oscillator |
| CN102117354A (en) * | 2009-12-31 | 2011-07-06 | 中国科学院微电子研究所 | Piezoelectric crystal simulation engine |
| JP2012085280A (en) * | 2010-09-14 | 2012-04-26 | Univ Of Yamanashi | Piezoelectric vibration circuit |
| CN104253587A (en) * | 2013-06-27 | 2014-12-31 | 上海海尔集成电路有限公司 | Crystal oscillator |
| CN204376833U (en) * | 2015-01-06 | 2015-06-03 | 南京理工海疆科技有限公司 | A kind of high frequency quartz oscillator |
| CN106067762A (en) * | 2016-06-15 | 2016-11-02 | 泰凌微电子（上海）有限公司 | The crystal-oscillator circuit of fast start-up |
Non-Patent Citations (2)
| Title |
|---|
| TING MEI: "Oscillator-AC: restoring rigour to linearized small-signal analysis of oscillators", 《ICCAD "05: PROCEEDINGS OF THE 2005 IEEE/ACM INTERNATIONAL CONFERENCE ON COMPUTER-AIDED DESIGN》 * |
| 赵毅强等: "低功耗低频快速起振电路的设计", 《北京工业大学学报》 * |
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| Publication number | Publication date |
|---|---|
| CN107222182B (en) | 2020-11-27 |
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Effective date of registration: 20201110 Address after: Room 1410, block a, No. l300, Shangcheng Avenue, Futian street, Yiwu City, Jinhua City, Zhejiang Province Applicant after: Zhejiang Chengcheng cultural goods Co.,Ltd. Address before: 410205 Fugu Linyu District, No. 408 Tongzipo West Road, Changsha High-tech Development Zone, Changsha City, Hunan Province, F19 Building 1804 Applicant before: CHANGSHA FANGXINGTENG ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221213 Address after: 253000 South of the Outer Ring Road, Northwest of the North Head of Yingbin Road, Yucheng City, Dezhou City, Shandong Province Patentee after: SHANDONG HANGE POWER ENERGY TECHNOLOGY CO.,LTD. Address before: Room 1410, block a, l300 Shangcheng Avenue, Futian street, Yiwu City, Jinhua City, Zhejiang Province Patentee before: Zhejiang Chengcheng cultural goods Co.,Ltd. |
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