应用科技
應用科技
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YING YONG KE JI
2001年
1期
14-16
,共3页
张兆礼%赵春晖%朱有生
張兆禮%趙春暉%硃有生
장조례%조춘휘%주유생
双音多频%分立元件
雙音多頻%分立元件
쌍음다빈%분립원건
dual-tone multifrequency%discrete component
给出了双音多频发送电路的分立元件实现方法。分立元件与传统集成芯片电路实现方法相比，电路更灵活，成本更低。
給齣瞭雙音多頻髮送電路的分立元件實現方法。分立元件與傳統集成芯片電路實現方法相比，電路更靈活，成本更低。
급출료쌍음다빈발송전로적분립원건실현방법。분립원건여전통집성심편전로실현방법상비，전로경령활，성본경저。
The realization of the DTMF circuit using discrete components was presented in this paper. Compared with the traditional integrated chip circuit, the circuit proposed in this paper is more flexible and its cost is much lower.
