Abstract
To overcome the shortage of common method of invariable feedback time, a scheme using improved invariable feedback time of the reference current is proposed to reduce the error of the voltage-to-frequency converter. With the same circuit resolution, the feedback time is increased by 1.8 times. The linearity accuracy of designed converter using new method can be better than 0.0050% in the full scale of output frequency -200~200 kHz.
Original language | English |
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Pages (from-to) | 289-293 |
Number of pages | 5 |
Journal | Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology |
Volume | 31 |
Issue number | 3 |
Publication status | Published - Mar 2011 |
Keywords
- Invariable feedback time
- Linearity
- Resolution
- Voltage-to-frequency converter