Quadrature Oscillators Using Operational Amplifiers
Two new quadrature oscillator circuits using operational amplifiers are presented. Outputs of two sinusoidal signals with 90° phase difference are available in each circuit configuration. Both proposed quadrature oscillators are based on third-order characteristic equations. The oscillation conditio...
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| Format: | Article |
| Language: | English |
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Wiley
2011-01-01
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| Series: | Active and Passive Electronic Components |
| Online Access: | http://dx.doi.org/10.1155/2011/320367 |
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| _version_ | 1832551800177164288 |
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| author | Jiun-Wei Horng |
| author_facet | Jiun-Wei Horng |
| author_sort | Jiun-Wei Horng |
| collection | DOAJ |
| description | Two new quadrature oscillator circuits using operational amplifiers are presented. Outputs of two sinusoidal signals with 90° phase difference are available in each circuit configuration. Both proposed quadrature oscillators are based on third-order characteristic equations. The oscillation conditions and oscillation frequencies of the proposed quadrature oscillators are orthogonally controllable. The circuits are implemented using the widely available operational amplifiers which results in low output impedance and high current drive capability. Experimental results are included. |
| format | Article |
| id | doaj-art-55bcff4cb5cf4a0c902b8fad39d1e431 |
| institution | Kabale University |
| issn | 0882-7516 1563-5031 |
| language | English |
| publishDate | 2011-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Active and Passive Electronic Components |
| spelling | doaj-art-55bcff4cb5cf4a0c902b8fad39d1e4312025-02-03T06:00:31ZengWileyActive and Passive Electronic Components0882-75161563-50312011-01-01201110.1155/2011/320367320367Quadrature Oscillators Using Operational AmplifiersJiun-Wei Horng0Department of Electronic Engineering, Chung Yuan Christian University, Chung-Li 32023, TaiwanTwo new quadrature oscillator circuits using operational amplifiers are presented. Outputs of two sinusoidal signals with 90° phase difference are available in each circuit configuration. Both proposed quadrature oscillators are based on third-order characteristic equations. The oscillation conditions and oscillation frequencies of the proposed quadrature oscillators are orthogonally controllable. The circuits are implemented using the widely available operational amplifiers which results in low output impedance and high current drive capability. Experimental results are included.http://dx.doi.org/10.1155/2011/320367 |
| spellingShingle | Jiun-Wei Horng Quadrature Oscillators Using Operational Amplifiers Active and Passive Electronic Components |
| title | Quadrature Oscillators Using Operational Amplifiers |
| title_full | Quadrature Oscillators Using Operational Amplifiers |
| title_fullStr | Quadrature Oscillators Using Operational Amplifiers |
| title_full_unstemmed | Quadrature Oscillators Using Operational Amplifiers |
| title_short | Quadrature Oscillators Using Operational Amplifiers |
| title_sort | quadrature oscillators using operational amplifiers |
| url | http://dx.doi.org/10.1155/2011/320367 |
| work_keys_str_mv | AT jiunweihorng quadratureoscillatorsusingoperationalamplifiers |