Study course for controlling officers examination : technical paper : transmission
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Contents: telephone transmission / telephone transmission (continued) / voice-frequency repeaters / four-terminal passive networks / principles of carrier telephony / principles of carrier telephony (continued) / single-circuit carrier-telephone systems / multi-circuit systems: 3-circuit systems / broad-band carrier telephone systems / broad-band systems (continued) / broad-band systems (concluded) / special types of carrier telephone systems and equipment / signalling methods for use with carrier systems / multi-circuit carrier telegraph systems / multi-circuit telegraph systems (concluded) / loading-in and terminating toll lines / test paper 16
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