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Basic carrier telephony
This clear and concise survey constitutes a basic course in the principles and applications of carrier telephony and its place in the over-all communications picture. This expanded and updated edition reflects important state-of-the-art developments and includes a new chapter on pulse code modulation carrier systems. Abundantly illustrated, with questions and problems throughout, and requiring a minimum of mathematics. This revised second edition will prove beneficial to personnel throughout the communications and electronics fields, particularly those responsible for engineering, operating, and maintaining telephone service.
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