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ＣＭＸ９８０是一种通用的同相和正交（Ｉ／Ｑ）兼容的无线数字基带处理器，其基带处理能力（ＡＤＣ、ＤＡＣ．数字ＦＩＲ，π／４ＤＱＰＳＫ调制器等）可满足 ＴＥＴＲＡ（Ｔｒａｎｓ－Ｅｕｒｏｐｅａｎ Ｔｒｕｎｋｅｄ Ｒａｄｉｏ）和其他无线数字移动通信系统的要求。本文介绍了ＣＭＸ９８０的特性及其在ＴＥＴＲＡ调制解调基带处理中的应用。
The CMX980 is a general purpose I / Q compatible wireless digital baseband processor with baseband processing capabilities (ADC, DAC, digital FIR, π / 4DQPSK modulator, etc.) to meet TETRA (Trans-European Trunked Radio and other wireless digital mobile communications systems. This article describes the features of the CMX980 and its application in TETRA modem baseband processing.