JPS54121645A - Piezo-oscillator - Google Patents
Piezo-oscillatorInfo
- Publication number
- JPS54121645A JPS54121645A JP2959478A JP2959478A JPS54121645A JP S54121645 A JPS54121645 A JP S54121645A JP 2959478 A JP2959478 A JP 2959478A JP 2959478 A JP2959478 A JP 2959478A JP S54121645 A JPS54121645 A JP S54121645A
- Authority
- JP
- Japan
- Prior art keywords
- oscillation
- capacitors
- oscillator
- circuit
- overtone
- 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.)
- Granted
Links
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Abstract
PURPOSE: To suppress the oscillation outside the fixed frequency by adding the inductance to the capacitor to satisfy the phase conditions of the oscillator.
CONSTITUTION: The capacitors are connected across the piezoelectric oscillator in order to satisfy the phase conditions of the oscillation, and inductance 31 and 37 are connected in series to those capacitors 32 and 33 each. These capacitors and inductances form two resonance circuits 1 and 2. Here, the basic frequency of the piezoelectric oscillator is referred to as ω1, the 3rd overtone is ω3 and the 5th overtone is ω5 respectively. The circuit becomes capacitive near ω3 in relation to the resonance circuit and features inductive at other frequencies, thus no oscillation secured. Furthermore, the oscillation can be suppressed for the unneessary mode, thus increasing the loop gain to the necessary frequency of the circuit and then ensuring the steady oscillations.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2959478A JPS54121645A (en) | 1978-03-14 | 1978-03-14 | Piezo-oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2959478A JPS54121645A (en) | 1978-03-14 | 1978-03-14 | Piezo-oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54121645A true JPS54121645A (en) | 1979-09-20 |
| JPS6115609B2 JPS6115609B2 (en) | 1986-04-25 |
Family
ID=12280391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2959478A Granted JPS54121645A (en) | 1978-03-14 | 1978-03-14 | Piezo-oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54121645A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55133107A (en) * | 1979-04-02 | 1980-10-16 | Yokogawa Hewlett Packard Ltd | Sinusoidal wave oscillator |
| US4376918A (en) * | 1979-10-04 | 1983-03-15 | Tokyo Shibaura Denki Kabushiki Kaisha | Overtone crystal oscillating circuit |
| JPH04207608A (en) * | 1990-11-30 | 1992-07-29 | Koyo Seimitsu:Kk | Quartz oscillator |
| CN103293227A (en) * | 2013-05-17 | 2013-09-11 | 廊坊中电熊猫晶体科技有限公司 | Method for measuring bevel edge realization effect of piezoelectric quartz crystal chip |
-
1978
- 1978-03-14 JP JP2959478A patent/JPS54121645A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55133107A (en) * | 1979-04-02 | 1980-10-16 | Yokogawa Hewlett Packard Ltd | Sinusoidal wave oscillator |
| US4376918A (en) * | 1979-10-04 | 1983-03-15 | Tokyo Shibaura Denki Kabushiki Kaisha | Overtone crystal oscillating circuit |
| JPH04207608A (en) * | 1990-11-30 | 1992-07-29 | Koyo Seimitsu:Kk | Quartz oscillator |
| CN103293227A (en) * | 2013-05-17 | 2013-09-11 | 廊坊中电熊猫晶体科技有限公司 | Method for measuring bevel edge realization effect of piezoelectric quartz crystal chip |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6115609B2 (en) | 1986-04-25 |
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