JPS553264A - Crystal oscillation circuit - Google Patents
Crystal oscillation circuitInfo
- Publication number
- JPS553264A JPS553264A JP7601078A JP7601078A JPS553264A JP S553264 A JPS553264 A JP S553264A JP 7601078 A JP7601078 A JP 7601078A JP 7601078 A JP7601078 A JP 7601078A JP S553264 A JPS553264 A JP S553264A
- Authority
- JP
- Japan
- Prior art keywords
- oscillation circuit
- connection point
- capacitor
- saturation state
- crystal oscillation
- 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
- 239000013078 crystal Substances 0.000 title abstract 4
- 230000010355 oscillation Effects 0.000 title abstract 4
- 239000003990 capacitor Substances 0.000 abstract 3
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
- H03B5/30—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
- H03B5/364—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 comprising field effect transistors
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Abstract
PURPOSE:To decrease the output amplitude by using the MOSFET operating at all times under the saturation state, and thus to reduce the charge/discharge current of the capacitor at the output side in order to realize the low power consumption for the oscillation circuit. CONSTITUTION:The amplifier consisting of MOSFETTP2 and TN2 which always operate under the saturation state is provided between the drain of P-type MOSFETTP1 foming the C-MOS inverter and the drain of N-type MOSFETTN1. And one end of crystal oscillator Q and capacitor C2 are connected to the common connection point of the gates of FETTP1 and TN1 as well as to the connection point of resistance R2 formed by MOSFET; and capacitor C1 and the other end of Q are connected to the common connection point of FETTP2 and TN2 as well as to the connection point of R2 via resistance R1. Thus, the crystal oscillation circuit is formed. Also, the crystal oscillation circuit is formed by using either one of FETTP2 and TN2 operating under the saturation state.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7601078A JPS553264A (en) | 1978-06-23 | 1978-06-23 | Crystal oscillation circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7601078A JPS553264A (en) | 1978-06-23 | 1978-06-23 | Crystal oscillation circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS553264A true JPS553264A (en) | 1980-01-11 |
Family
ID=13592839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7601078A Pending JPS553264A (en) | 1978-06-23 | 1978-06-23 | Crystal oscillation circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS553264A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5785779A (en) * | 1980-11-12 | 1982-05-28 | Hitachi Ltd | Preventive circuit for free-run of elevator |
-
1978
- 1978-06-23 JP JP7601078A patent/JPS553264A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5785779A (en) * | 1980-11-12 | 1982-05-28 | Hitachi Ltd | Preventive circuit for free-run of elevator |
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