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Publication of BE360983ApublicationCriticalpatent/BE360983A/xx
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F19/00—Fixed transformers or mutual inductances of the signal type
H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
H01F19/06—Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
H04B1/40—Circuits
H04B1/54—Circuits using the same frequency for two directions of communication
H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa