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1. 发明公开

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标题翻译：使用ASIC的LVDT信号转换器
公开(公告)号：KR1020080000258A
公开(公告)日：2008-01-02
申请号：KR1020060057909
申请日：2006-06-27
申请人： 주식회사 지오네트
发明人： 이병관
IPC分类号： H02M1/08
摘要： An LVDT(Linear Variable Differential Transformer) signal converter using an ASIC(Application Specific Integrated Circuit) is provided to achieve a convenient LVDT by automatically performing all control through a microprocessor connected to the ASIC. An LVDT signal converter using an ASIC(110) includes an excitation unit(100) and a signal amplifying unit(200). The excitation unit receives a control signal from a CPU(Central Processing Unit) and generates a sine wave by being connected to a first side of an LVDT(300). The excitation unit includes the ASIC and a filter unit(120). The ASIC receives the control signal from the CPU with software for storing an application value according to the characteristic of the LVDT and generates an excitation frequency and a reference frequency. The filter unit generates the sine wave by filtering the excitation frequency and the reference frequency with the same frequency as the excitation frequency. The signal amplifying unit receives a signal generated from a second side of the LVDT and generates a displacement signal.
摘要翻译：提供使用ASIC（专用集成电路）的LVDT（线性可变差分变压器）信号转换器，以通过连接到ASIC的微处理器自动执行所有控制来实现方便的LVDT。使用ASIC（110）的LVDT信号转换器包括激励单元（100）和信号放大单元（200）。激励单元从CPU（中央处理单元）接收控制信号，并通过连接到LVDT（300）的第一侧产生正弦波。励磁单元包括ASIC和滤波器单元（120）。 ASIC通过软件接收来自CPU的控制信号，用于根据LVDT的特性存储应用值，并产生激励频率和参考频率。滤波器单元通过以与激励频率相同的频率对激励频率和参考频率进行滤波来产生正弦波。信号放大单元接收从LVDT的第二侧产生的信号，并产生位移信号。

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