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Dual Sampling Rate Control Circuit in Delta Modulation Switching System
Dual Sampling Rate Control Circuit in Delta Modulation Switching System
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机译：三角形调制切换系统中的双采样率控制电路
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摘要
Since the sampling rate at the subscriber unit of the delta modulation scheme switching system is fixed at a single 32 KHz, communication with the terminal apparatus having the transmission speed of 16 Kbps is improved.;In order to achieve this, a 32 KHz sampling clock is input to the switching system by dividing the 32 KHz sampling clock input from the TSAC into two, and the 32 KHz sampling clock and the 2 divided 16 KHz And applies it to the sampling clock during transmission / reception data conversion.;Therefore, by changing the sampling rate at the time of transmission / reception data conversion according to the transmission rate of the terminal apparatus, it is possible to communicate with terminal apparatuses having different transmission rates.
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