PAGING_TRANSMITTER

Published:2009/7/21 7:30:00 Author:Jessie | From:SeekIC

Feeds single-wire loop surrounding area to be covered. Multivibrator V1-V2 produces carrier frequencies in range from 15 to 30 kc, keyed on and off at various repetition rates in range from 1/50th to 1/200th second, for selective paging of up to 45 different receivers.-J. G. DeGraaf, Selective Paging System Uses Coded Transmission, Electronics, 33:9, p 68-70.



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