Circuit arrangement for signal and information conversion betwee
Circuit arrangement for the subscriber-remote termination of a s
Circuit arrangement for the transmission of telecommunication si
Circuit board capacitor structure for forming a high voltage...
Circuit compensating for the attenuation of a notch filter at fr
Circuit configuration and chip set for supplying a telephone...
Circuit for controlling an on-hook voltage by the use of a balan
Circuit for echo-cancellation in an asymmetric, two-way...
Circuit for joint transmitting voice and data over a...
Circuit for maintaining hybrid cancellation of signals in a comm
Circuit for monitoring battery voltages of telephone terminal fa
Circuit for remote supply of subscriber line terminals in a tele
Circuit for switching between balanced networks
Circuit for telephone set comprising a light-emitting diode powe
Circuitry for interfacing telecommunications equipment to a comm
Circuitry for interfacing telecommunications equipment to a comm
Circuitry for superimposing small, low energy signals and large,
Circuits and methods for improved network interface circuit...
Class A-B line driver for gigabit Ethernet
Coaxial cable interface including security cover for demarcation