大部分单片调制解调器芯片都是依据电话线路设计制造的，即在一条信道上只能实现点对点的通信。
Most single chip modems are designed and manufactured for the telephone circuit. It is only possible to realize point to point communication through one channel with these single chip modems.
本文阐述了以调制解调芯片CMX589A为核心而设计的一种高速无线调制解调器。
Based on the chip CMX589A, a kind of high speed wireless MODEM has been designed.
本文采用了流行的扩频技术、根据扩频芯片sc 1128设计了电力线调制解调器，在硬件系统的基础上，我们设计了一套切实可行的软件方案。
The article adopts the prevalent technique of Spread Spectrum, and designs a kind of Power Line Modem based on the SS chip SC1128.
iPhone的不少零部件，包括内存芯片、调制解调器、相机模块、麦克风和触屏控制器，都是苹果从世界各地超过200家供应商那里购买的。
Apple buys many of the components for iPhones - like the memory chip, the modem, the camera module, the microphone and the touch-screen controller - from more than 200 suppliers around the world.
利用W78E52B单片机作为调制解调器的控制芯片，FX589作为GMSK调制解调芯片，设计并实现了调制解调器。
W78E52B is used as a modem control MCU chip, FX589 as GMSK modulation and demodulation chip, the design and realization of the modem. The circuit is simple, reliable and small size.
利用W78E52B单片机作为调制解调器的控制芯片，FX589作为GMSK调制解调芯片，设计并实现了调制解调器。
W78E52B is used as a modem control MCU chip, FX589 as GMSK modulation and demodulation chip, the design and realization of the modem. The circuit is simple, reliable and small size.
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