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An RF circuit that generates a Radio Frequency (RF) signal, is very sensitive to power supply noise. If not controlled, the power supply noise can significantly degrade the performance of the system. So, what are the sources of noise and how can they be addressed? The first potential source of noise is the power source.
One of the most commonly overlooked building blocks of a UAS communication system is RF filtering. Whether your system is for command and control or streaming sensor data such as live video, proper filtering can be the key element in achieving the communications range or data throughput desired. Unfortunately, it is often not realized that
An RF Preselector (a.k.a an RF Tuner or “front-end”) is used to prevent out-of-band signals from entering the radio receiver. In a super-heterodyne type of receiver, front-end filtering is essential to prevent unwanted signals from degrading the performance of the receiver. Without filtering, the frequency conversion stage(s) of the receiver will convert all signals received