Active audio compressing in telecommunication
Active surge rejection circuit
Adaptive signal processing device, echo suppressing device and h
Analog modem overcurrent protection
Apparatus for protecting a subscriber line interface circuit aga
Balanced heat coil protector
Balancing resistor and thermistor network for telephone circuits
Circuit arrangement for protecting electronic interface circuit
Circuit arrangement for the subscriber-remote termination of a s
Circuit board capacitor structure for forming a high voltage...
Circuits and methods for improved network interface circuit...
Code converter comprising protection circuit
Customer bridge module
DC holding circuit
Device for electrical and/or electronic telephone circuits, desi
Device for establishing a galvanically separate connection...
DSL protector having a detachable wire interface
Electronic contacts and associated devices
Electronic inductor with transmit signal telephone line driver
Enhanced high voltage line interface circuit