| 电视机中频的最佳选择 |
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| 引用本文： | 谭绍华.电视机中频的最佳选择[J].西华师范大学学报(哲学社会科学版),1996,17(4):60-65. |
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| 作者姓名： | 谭绍华 |
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| 作者单位： | 四川师范学院物理系 |
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| 摘 要： | 从电视机中频的选择原则出发，研究了超外差式电视接收机的混频特性。导出了组合干扰频率的一般表达式，给出了组合干扰频率及其中心频率的计算公式，并将计算结果绘成图表，为合理地选择最佳中频提供了科学依据。
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| 关 键 词： | 电视接收机 频带宽度 中心频率 频带选择 电视机 |
THE OPTIMUM SELECTION OF TELEVISION MEDIUM FREQUENCY |
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| Tan,Shaohua.THE OPTIMUM SELECTION OF TELEVISION MEDIUM FREQUENCY[J].Journal of China West Normal University:Natural Science Edition,1996,17(4):60-65. |
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| Authors: | Tan Shaohua |
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| Abstract: | This paper studies the mixing characteristics of the superheterodyne converter television from the selection principle of television frequency.From the analysis it has deduced the general expression for combination interfering frequency,given the calculation formula for combination interfering frequency band and centre frequency and charted the computing results.The study has provided a reliable scientific groung for the rational selection of the best mid frequency. |
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| Keywords: | TV set frequency bandwidth centre frequency frequency selection |
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