| 长周期扫描电路的设计与应用 |
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| 引用本文： | 孙文斌,陆同兴.长周期扫描电路的设计与应用[J].物理与工程,2001,11(6):44-47. |
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| 作者姓名： | 孙文斌 陆同兴 |
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| 作者单位： | 1. 安徽工业大学数理实验中心,安徽,马鞍山,243002
2. 安徽师范大学物理系,安徽,芜湖,241000 |
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| 摘 要： | 本文鉴于常用的基于电容充放电的运算放大器积分式长周期扫描电路输出电压线性差，设计了基于计数器和D／A转换的数字式线性功率扫描电路。
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| 关 键 词： | 磁共振 扫描电路 数字化 功率放大 电容充放电 运算放大器 设计 |
DESIGN AND APPLICATION OF THE LONG-CYCLE SCAN CIRCUIT |
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| Sun Wenbin,Lu Tongxing.DESIGN AND APPLICATION OF THE LONG-CYCLE SCAN CIRCUIT[J].Physics and Engineering,2001,11(6):44-47. |
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| Authors: | Sun Wenbin Lu Tongxing |
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| Institution: | Sun Wenbin 1 Lu Tongxin 2 |
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| Abstract: | In view of the dissatisfactory linearity of the output voltage of the integrating long cycle scan circuit of the ordinary operational amplifier based on the charge and discharge of capacitor, a design of digital scan circuit based on counter and D/A translator is given. |
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| Keywords: | magnetic resonance scan circuit digital power amplification |
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