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RF-CAPACITIVE TRANSDUCER APPLIED TO GRAVITATIONAL WAVE DETECTOR |
| ZHU Ning;GUAN Tongren;HU Enke |
| Gravitational Physics Laboratory, Zhongshan University, Guangzhou |
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| Cite this article: |
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ZHU Ning, GUAN Tongren, HU Enke 1987 Chin. Phys. Lett. 4 553-556 |
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Abstract We have designed and made an rf-capacitive transducer for the square antenna of our laboratory. A variable capacitor ( ~2000 PF), which is modulated by gravitational radiation, works in a 5 MHz resonant circuit. The most advantageous feature of this transducer is that the sensitivity is highly improved by introducing a π-net-work transformation in the resonant circuit. The sensitivity of 9.4MHz/M is obtained.
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Published: 01 December 1987
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