This site has many sole-source technical articles written on a wide range of topics from phase-locked loops and frequency synthesizers to methods of computing square-roots and elliptic integrals. A sampling of these papers follows:
Substantiation of the Water-Filling Concept Using Lagrange Multipliers
Quartz Crystal Resonators and Oscillators for Frequency Control and Timing Applications: A Tutorial, J.R. Vig, U.S. Army CECOM, January 2000.
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Multimode RF Transceiver Advances WEDGE Radio System
Chapter 5 excerpt from Advanced Phase-Lock Applications- Synthesis titled “Direct Digital Frequency Synthesis” by J.A. Crawford, approx. 75 pages, 140 equations, 87 figures.
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Tutorial on Digital Phase-Locked Loops, Michael Perrott
“Digital Re-Design of Analog Phase-Locked Loops,” J.A. Crawford.
“The Bartlett Bisection Theorem for Analog Filter Design,” J.A. Crawford.
“Translation Loop: Passing GMSK Modulation,” J.A. Crawford.
“Satellite Doppler with Type-3 PLL Tracking,” J.A. Crawford.
“Approximation for Root( I2 + Q2),” J.A. Crawford.
“Computation of Square Roots,” J.A. Crawford .
“Optimum Eigenfilter Design Methodology,” J.A. Crawford.
“Random Variable Sums and the Central Limit Theorem,” J.A. Crawford, Feb. 2005.
“Current Flow in a Conductive Sheet,” J.A. Crawford, May. 2008.
Thank you for your interest in the site!