JPS5558604A - Self-oscillation circuit - Google Patents
Self-oscillation circuitInfo
- Publication number
- JPS5558604A JPS5558604A JP13244478A JP13244478A JPS5558604A JP S5558604 A JPS5558604 A JP S5558604A JP 13244478 A JP13244478 A JP 13244478A JP 13244478 A JP13244478 A JP 13244478A JP S5558604 A JPS5558604 A JP S5558604A
- Authority
- JP
- Japan
- Prior art keywords
- resistance
- piezo
- electric element
- constitute
- feedback 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.)
- Granted
Links
Abstract
PURPOSE: To reduce power consumption by providing a resistance, which constitutes a bias circuit, and a resistance, which converts the resonance current value of a piezo-electric element to a voltage change and feeds back it, independently and connecting them in AC to constitute a feedback circuit.
CONSTITUTION: Resistances 1 and 2 constitute a bias circuit and are connected to non-inversion input terminals of voltage vomparator 6. Resistance 3 and capaciror 5 constitute a lagging feedback circuit and are connected to inversion input terminals of voltage comparator 6. Resistance 4 is a pull-up resistance of voltage comparator 6 and is provided with the emitter follower dependent upon complementary transistors 8 and 9 additionally for the purpose of making the driving speed of piezo- electric element 7 of a capacity load high. Then, current detecting resistance 10 is inserted in series to piezo-electric element 7, and the current of piezo-electric element 7 is fed back to the connection point of division resistances 1 and 2 for bias in AC by capacitor 11 which constitutes a feedback circuit.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13244478A JPS5558604A (en) | 1978-10-26 | 1978-10-26 | Self-oscillation circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13244478A JPS5558604A (en) | 1978-10-26 | 1978-10-26 | Self-oscillation circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5558604A true JPS5558604A (en) | 1980-05-01 |
JPS6117405B2 JPS6117405B2 (en) | 1986-05-07 |
Family
ID=15081501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13244478A Granted JPS5558604A (en) | 1978-10-26 | 1978-10-26 | Self-oscillation circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5558604A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01125881A (en) * | 1985-04-12 | 1989-05-18 | General Electric Co <Ge> | Automatic resonance piezoelectric transformer signal coupler |
JP2008035302A (en) * | 2006-07-31 | 2008-02-14 | Kawasaki Microelectronics Kk | Oscillation circuit including output circuit |
US10461697B2 (en) | 2014-08-29 | 2019-10-29 | Murata Manufacturing Co., Ltd. | Oscillation circuit and oscillation-circuit driving method |
-
1978
- 1978-10-26 JP JP13244478A patent/JPS5558604A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01125881A (en) * | 1985-04-12 | 1989-05-18 | General Electric Co <Ge> | Automatic resonance piezoelectric transformer signal coupler |
JP2008035302A (en) * | 2006-07-31 | 2008-02-14 | Kawasaki Microelectronics Kk | Oscillation circuit including output circuit |
US10461697B2 (en) | 2014-08-29 | 2019-10-29 | Murata Manufacturing Co., Ltd. | Oscillation circuit and oscillation-circuit driving method |
Also Published As
Publication number | Publication date |
---|---|
JPS6117405B2 (en) | 1986-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5363851A (en) | Push-pull pulse amplifier circuit | |
JPS55136708A (en) | Voltage current conversion circuit | |
JPS5558604A (en) | Self-oscillation circuit | |
JPS5533221A (en) | Current output circuit | |
JPS5644209A (en) | Signal converting circuit | |
JPS54115750A (en) | Compensation circuit against source voltage characteristic | |
JPS5544284A (en) | Voltage comparison circuit | |
JPS5341718A (en) | Converter power unit | |
JPS57121308A (en) | Power amplifier | |
JPS57148419A (en) | Supplying circuit for clock signal | |
JPS5570133A (en) | Divider circuit | |
JPS54137262A (en) | Gain switching type negative feedback amplifier circuit | |
JPS5619450A (en) | Smoke sensor | |
JPS56132006A (en) | Differential amplifier | |
JPS5769932A (en) | Current switching type logical circuit | |
JPS5445770A (en) | Stabilized power supply | |
JPS55136709A (en) | Alternating current amplifier | |
JPS55149854A (en) | Current detecting circuit for parallel-operated transistor circuit | |
JPS5521624A (en) | Read-in circuit for fluctuating signal | |
JPS56109009A (en) | Amplifying circuit | |
JPS5469945A (en) | Oscillator circuit | |
NAGANO | Circuit for automatic load sharing in parallel converter modules[Patent] | |
JPS6489959A (en) | Switching regulator circuit | |
JPS55131822A (en) | Constant-voltage circuit | |
JPS53116451A (en) | Constant voltage circuit |