An Interpolated Flying-Adder-Based Frequency Synthesizer

Table 2

Measured results versus jitter analysis.

Items	Measured results
Synthesized output frequency	33 MHz	120 MHz	286 MHz
Power consumption (includes 28 I/O pads)	16.2 mW	21.3 mW	28.2 mW
Frequency, cycle time (Δ), and peak-to-peak jitter of multiphase ADPLL	42.7 MHz, Δ=732ps, 213 ps	171 MHz, Δ=183 ps, 150.3 ps	171 MHz Δ=183 ps, 150.3 ps
Peak-to-peak jitter	435.6 ps	248.7 ps	215.2 ps
Peak-to-peak jitter, jitter of multiphase ADPLL	222.6 ps <Δ/2	98.4 ps ~ Δ/2	64.9 ps <Δ/2
RMS jitter	62.6 ps <Δ/4	41.5 ps <Δ/4	40.2 ps <Δ/4