IIR filter of adaptive balance circuit for long tail echo...
Impedance setting circuit for a SLIC
Impedance synthesis multile loop using filtering means
Individual subscriber line module
Inductive coupling for communications equipment interface...
Insulation strip for a pots splitter card
Integrated analog/digital telephone network interface...
Integrated cellular/PCS-POTS communication system
Integrated digital subscriber line transceiver
Integrated driver circuitry
Integrated filter and modular jack for voice over digital...
Integrated interface circuit for driving a subscriber line
Integrated interface circuit for driving a subscriber line
Integrated line inductor and line feed resistor
Integrated modem and line-isolation circuitry and associated...
Integrated PCM-CODEC circuit with telemetering noise elimination
Integrated ring detection circuit and power cross detection circ
Interface circuit between a four wire line and a two wire line
Interface circuit between a subscriber's telephone line and exch
Interface circuit with transient event tolerance