Telephone set circuit including an overvoltage protection
Telephone subscriber circuit
Telephone subscriber line circuit, components and methods
Telephone subscriber line module
Telephone subscriber line module
Telephone subscriber system
Telephone switch hook interface circuit
Telephone system with controllable ringing voltage
Telephone system with current regulation in the constant...
Telephone-coupled device for internet access
Temperature compensation for trans-hybrid loss in a miniaturized
Terminal equipment for telecommunications and information proces
Terminal for telegraph and telephone systems
Termination block
Termination circuit for a two-wire transmission line
Termination device for a telephone line
Thermally coupled information transmission across electrical iso
Tip-ring voltage correction circuit
Tracking switchmode power converter for telephony interface...
Tracking switchmode power converter for telephony interface...