Abstract
In order to overcome the shortcomings that the measuring bandwidth of small size flat capacitive divider is generally narrow, we introduce a flat capacitive sensor contains integrator and impedance converter. The flat capacitive sensor adopts small coaxial structure of which diameter is 100 mm. And the connecting segment between the flat probe and the outgoing cable hides in the shielding cavity which is convex. This could reduce the self-inductance and the interference effectively. The outgoing cable connects to the designed integrator and impedance converter, restoring the signal and optimizing the low-cut-off frequency. Through the experiment and the data analysis, the bandwidth of the flat capacitive sensor is 10 Hz~150 MHz, and it can be used for measuring the steep front pulse and long tail pulse.
| Original language | English |
|---|---|
| Pages (from-to) | 1708-1714 |
| Number of pages | 7 |
| Journal | Gaodianya Jishu/High Voltage Engineering |
| Volume | 42 |
| Issue number | 6 |
| DOIs | |
| State | Published - 30 Jun 2016 |
Keywords
- Flat capacitive sensor
- Impedance converter
- Long tail pulse
- Measurement system demarcation
- Steep front pulse
- Wide band
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