Phase Noise Reference|[pic] ||Phase Noise Reference || ||Reciprocal Mixing - how LO phase noise affects selectivity ||Reciprocal mixing occurs in a super-heterodyne receiver when the noise ||sidebands of the Local Oscillator mix with strong signals, that are ||close in frequency to the wanted signal, producing unwanted noise ||products at the intermediate frequency and degrading the receiver ||sensitivity. ||A typical receiver front end down-conversion stage is shown in Figure 2.1|| ……
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