CONTEST RULES: Purpose To allow the worldwide D-STAR community to come together for the annual D-STAR QSO PARTY. Prizes The goal of the D-STAR QSO PARTY is to communicate through as many D-STAR repeaters as possible throughout the world. All operators who submit an approved log will be eligible for the prize draw. Seven (7)…
This comprehensive 462 pages textbook and reference on the subject of radio frequency (RF) receiver design presents the concepts, mathematics and design for such systems. Chapters include discussions on superheterodyne receivers, dynamic range, mixers, complex coherent frequency synthesizers, automatic gain control and beat frequency oscillators and additional sections cover advanced topics like digital signal processing…