An Interpolated Flying-Adder-Based Frequency Synthesizer

Figure 17

Measured results of interpolated flying adder (multiphase ADPLL at 171 MHz), (a) Output at 120 MHz with 𝑃_𝑘-𝑃_𝑘=248.7 ps, (b) Output at 286 MHz with 𝑃_𝑘-𝑃_𝑘=215.2 ps.

(a)

(b)