Apparatus and method for automatic gain control and echo...

Apparatus and method for performing impedance synthesis in a...

Bidirectional loss/slope equalizer arrangement

Bridged tap canceller

Bridged tap terminator

Circuit arrangement for forming the termination of an...

Circuit arrangement for preventing gain from responding to frequ

Circuit arrangement for signaling in telecommunications...

Circuit for synthesizing an impedance across the tip and ring le

Circuit for the implementation of an impedance for a telephone s

Common mode transmission line termination

Communication interface having synthesized matching...

Device and method for suppressing DSL signal echo induced by...

Digital data-dependent ac impedance termination of telephone lin

Direct access arrangement device

Duplex communication coupler system

Estimation of DSL telephone loop capability using CAZAC...

Extended feedback circuit employing capacitive coupling and...

Extended feedback circuit employing capacitive coupling and...

Frequency-dependent impedance synthesis for DSL interface...