The phase-locked loop (PLL) is the most important technique for generation of radio frequency and microwave signals. It allows the generation of variable output frequency with the same stability of a crystal oscillator by means of feedback. This chapter describes the basic concepts that will be developed in subsequent chapters.

Reproduced from the book Phase-Locked Loop Synthesizer Simulation. Copyright © 2005 The McGraw-Hill Companies. Reproduced by permission of The McGraw-Hill Companies. Written permission from The McGraw-Hill Companies is required for all other uses.