FOUR_CHANNEL_PPM_MODEM

Published:2009/7/20 23:42:00 Author:Jessie | From:SeekIC

Amplitude modulation of microwave radio system is pulse-position. modulated by multiplexor. Modulator-demodulator circuit handles 300 to 3,500-cps voice signals with amplitudes from -20 to +10 dbm.-P. W. Kiesling, Jr., Portable multiplexor for Telephone Communications, Electronics, 32:2, p 60-62.



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