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Detailed analysis of 3rd-harmonic tuning of television horizontal-deflection circuit

机译:电视水平偏转电路三次谐波调谐的详细分析

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摘要

A detailed mathematical analysis of the operation of the television horizontal-deflection circuit is carried out. The amount of oscillatory ringing in the scanning process is expressed by functions of the components in a lossless equivalent circuit. The fault in the customarily presumed 2.8th-harmonic tuning method is clearly shown with examples, where the ringing oscillations are supposed to be suppressed by the previous methods. A principle is presented to obtain favourable conditions for resonance frequencies to decrease underisirable ringing oscillations in the scanning process and to increase the high flyback pulses in the flyback process. Some numerical calculations based on this method are carried out.
机译:对电视水平偏转电路的操作进行了详细的数学分析。扫描过程中的振荡振铃量由无损等效电路中组件的功能表示。通过示例清楚地显示了通常假定的2.8次谐波调谐方法中的故障,在该示例中,以前的方法可以抑制振铃振荡。提出了一种原理,以获得谐振频率的有利条件,以减少扫描过程中不希望出现的振铃振荡,并在反激过程中增加高反激脉冲。基于此方法进行了一些数值计算。

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