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Wireless transmitter using a wideband digital-to-analog converter for processing multiple channels in a digital radio-frequency signal
Wireless transmitter using a wideband digital-to-analog converter for processing multiple channels in a digital radio-frequency signal
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机译:使用宽带数模转换器处理数字射频信号中多个通道的无线发射机
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摘要
A wireless transmitter processing chain includes digital radio frequency mixing circuitry to generate, in digital form, a representation of a transmit signal including multiple communication channels. From the digital representation, a wideband digital to analog converter creates the analog transmit signal that includes the communication channels. Individual mixers and filters follow, with mixing frequencies tuned to place the communication channels at the desired frequency centers.
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