Digital Clocks for Synchronization and Communications

This text explains important phase-lock circuit design techniques, and how to select commercially available equipment for a variety of projects in the field.
Gardner, F. M., Phaselock Techniques, New York: John Wiley & Sons, 1966.
Viterbi, A. J., Principles of Coherent Communication, New York: McGraw-Hill, 1966.
Balanchard, A., Phase-Locked Loops, New York: John Wiley & Sons, 1976.
Best, R. E., Phase-Locked Loops, New York: McGraw-Hill, 1997.