223413 ⎘
Details of transmission systems, not covered by a single one of groups - ; Details of transmission systems not characterised by the medium used for transmission; 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; Circuits using the same frequency for two directions of communication; Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or using a transformer
Sub-classes:METHODS, DEVICES AND SYSTEMS FOR RADIO FREQUENCY CIRCUIT HAVING RECEIVE-TRANSMIT CO-MATCHING NETWORK
#2FRONT END ARCHITECTURE WITH CONVERGED 2G AND 5G BROADBAND
#3COMPACT RF FRONT-END MODULE AND METHOD OF PACKAGING
#4ELECTRONIC CONTROL DEVICE
#5Antenna interface arrangement
#6Antenna interface arrangement
#7Radio frequency module and communication device
#8Physical layer circuitry for multi-wire interface
#9Current pulse transformer for isolating electrical signals
#10Physical layer circuitry for multi-wire interface
#11Balance filter
#12Method of transferring signals via transformers, corresponding circuit and device
#13Signal isolation control apparatus and method of controlling a hybrid junction
#14Signal transmission arrangement with a transformer and signal transmission method
#15Duplexing apparatus, wireless devices and related methods
#16Method for designing coupling-function based millimeter wave electrical elements
#17Parallel hybrid circuit
#18Signal transmission arrangement with a transformer and signal transmission method
#19Front end module with tone injection
#20Dual/wideband termination for hybrid transformer
#21Adjustable duplexer system
#22Impedance balancing for transmitter to receiver rejection
#23Transceiver and integrated circuit
#24Signal transmission arrangement with a transformer and signal transmission method
#25Method for designing coupling-function based millimeter wave electrical elements
#26Front end module with tone injection
#27Saw-less receiver with offset RF frequency translated BPF
#28FRONT END MODULE WITH SCALABLE IMPEDANCE BALANCING
#29Front end module with active tuning of a balancing network
#30Front end module with a tunable balancing network
#31Method and system for a control scheme on power and common-mode voltage reduction for a transmitter
#32Active resistive summer for a transformer hybrid
#33Method and system for a control scheme on power and common-mode voltage reduction for a transmitter
#34Dual transformer hybrid system and method
#35Line driver for coupling a data transceiver to a line
#36Line interface system
#37Adaptive power equalization in electrical balance duplexers
#38Wireless transceiver with reconfigurable transformers
#39Transceivers with dual power amplifiers for wireless communications