The paper analyzes the driving system of belt conveyor, expatiates the application of voltage-to-frequency converter ( VFC ) for belt conveyor driving in the field of middle and high voltage. 本文对输送机驱动系统作了分析和比较,对带式输送机传动的变频控制(VFC)方法在中、高压领域的应用进行了讨论;
The voltage-to-frequency converter in this paper is composed of input interface, bandgap reference and multivibrator, this circuit has high linearity with wide dynamic range and low temperature dependence. 本文设计的电压频率转换器由输入级、带隙偏置电路和多谐振荡器组成,电路具有良好的线性度、动态范围和低的温度漂移。
Characteristic of pulse width modulation PWM in The voltage-to-frequency converter VFC are analyzed under the basic conversion preference of charge balancing VFC. 在分析电荷平衡型VFC转换特性的基础上,根据VFC的脉冲宽度调制特性,提出基于脉宽调制式的AD转换新技术。
It is difficult to elevate resolution higher for Synchronous Voltage-to-Frequency Converter(VFC) ( SVFC ) since its phase modulation characteristic and the restrict of output frequency upper limit. 同步V/F转换器由于其输出频率的相位调制特性,以及输出频率上限的限制,影响了其分辨力的进一步提高。
A Voltage-to-Frequency Converter(VFC) Based on Multivibrator 一种基于多谐振荡器的电压/频率转换器