Page 237 - Phase-Locked Loops Design, Simulation, and Applications
P. 237

closed-loop gain increases with     . This is shown in Fig. 6.18b for two cases, a low Q (Q
               = Q ) and a high Q (Q = Q ). Figure 6.18a sketches once more the power density spectrum of
                                         1
                   2
               the equivalent input noise. Besides thermal noise  kT, there is flicker noise below corner
               frequency f . The
                          c


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