NTZ - Communications Journal

NTZ - Communications Journal

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Carrier supply equipment using a 4 kc/s master generator feeds the modulating equipment required for the formation of 16 basic supergroups. ... The carrier power needed to form the mastergroup is produced by carrier amplifiers connected with high impedance to the carrier bus bars. ... The feeding voltage amounts to 1500 volts (2 X 750 volts) against earth. ... thus providing a€” in conjunction with the complementary four-out-of-six frequency code a€” supervision of up to 30 stations.

Title:NTZ - Communications Journal
Publisher: - 1962


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