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Digital-analog converter

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专利汇可以提供Digital-analog converter专利检索,专利查询,专利分析的服务。并且PURPOSE:To obtain a PWM output, by applying a digital data of N-bit to an adder and an error detecting circuit, latching a high-order bit of the adder, and taking the result as a reset signal to an FF circuit via a presettable counter. CONSTITUTION:A 16-bit voice data is applied to an adder (b) from a terminal (a) and also to an error detecting circuit (c) at the same time. The 7-bit of the output of the adder (b) is latched at a latch (d) and set to a preset data of the presettable counter (e). The polarity of the output of the latch (d) is inverted at a polarity inverting circuit (f) and applied to the error detecting circuit (c). The output is applied to the adder (b). A reference clock is fed to the counter (e) from a terminal (g) and the frequency is divided. Its output enters a reset terminal of an R-S flip-flop (h). A clock of the voice data is applied to a set terminal (i). A PWM output is obtained from a terminal (l) and an analog output is obtained from a terminal (m).,下面是Digital-analog converter专利的具体信息内容。

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