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Science, engineering, and mathematics — biology, chemistry, physics, astronomy, earth sciences, social sciences, and technology research. A curated gateway to academic and professional scientific resources.
57129 resources
Dr. Duncan Cadd provides a number of articles on early wireless equipment, spark transmitters and induction coils.
Concise information about radio modulation, noise, frequency synthesizers, building blocks and receiver technology.
Describes radio frequencies, different circuits used, and applications.