As the speed of DSP's and digital hardware keeps increasing, software and digital hardware are replacing traditional analog hardware, making today's gizmos and gadgets smarter, more reliable, less ...
There has been a significant increase in integration of high-performance radio transceivers suitable for applications such as cellular base stations and radars. These transceivers use two different ...
Digital receivers, sometimes called digital downconverters or digital drop receivers, are the fundamental building block of the software radio industry. They revolutionized the communications industry ...
Figure 4. A snapshot, in time, of two complex numbers whose exponents, and thus their phase angles, change with time. The notion of negative frequency is often troubling to engineers who've spent so ...
Frequency response measurements are a mainstay of RF communications design and generally considered a routine task—unless one of the device ports happens to be at I-Q baseband. Here, the convenience ...
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