© 2014 Exar Corporation

XR81111

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exar.com/XR81111

Rev 1B

Typical Performance Characteristics

Figures 1,2,3 and 4 show typical phase noise performance plots for 156.25 MHz, 150MHz, 125M, and 100MHz clock out-

puts respectively. The data was taken using the industry standard Agilent E5052B instrument. The integration range is the

widely referenced 12KHz to 20MHz range most often used in WAN applications.

Figure 1: 156.25MHz Operation, Phase Noise at 3.3V

Figure 2: 150MHz Operation, Phase Noise at 3.3V)