Integer N Frequency Synthesizer using Phase Lock Loop
Pallavi Patil, Virendra K. Verma "Integer N Frequency Synthesizer using Phase Lock Loop". International Journal of Computer Trends and Technology (IJCTT) V32(1):8-13, February 2016. ISSN:2231-2803. www.ijcttjournal.org. Published by Seventh Sense Research Group.
Abstract -
A new architecture and simulation of an
integer n frequency synthesizer using PLL for RF
application has been illustrated in this paper. This
design consists of low power phase frequency detector,
low jitter charge pump, ring oscillator based VCO,
passive loop filter and 8 bit frequency divider using
250nm technology. This presents the simplest way to
design and simulate integer n frequency synthesizer
and lock the PLL. The design and analysis of PLL is
done on simulation EDA TANNER TOOL 13.0.The
main benefit of using PLL technique in Frequency
Synthesizer is that it can generate frequencies of 100-
200MHz comparable to the accuracy of a crystal
oscillator. This paper gives a brief introduction to the
basics of Phase Locked loops.
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Keywords
Phase locked loop, Phase frequency
detector, Charge pump, Loop filter, Voltage controlled
oscillator, Frequency divider.