Preface. 1. The Early History of Phase-Locked Loops. 2. Analog Phase-Locked Loops. 3. Root Locus and Frequency Analysis. 4. Acquisition and Tracking. 5. Digital Transforms. 6. Digital Closed Loop Analysis. 7. Digital Transformations of Analog Phase-Locked Loops. 8. Stability and Frequency Response of Digital Loops. 9. All Digital Phase-Locked Loops. 10. Digital PLL Responses and Acquisition. 11. Synchronizers for Digital Communications. 12. Phase Noise Analysis. Appendix A: Laplace Transforms. Appendix B: Z Transforms. Index.