Amplifier with multifilter

Apparatus and method for wideband amplification of RF signals

Audio amplifier

Audio amplifier device

Audio amplifying circuit

Audio channel separating apparatus

Audio control system

Bi-directional amplifier having a single gain block for...

Boost function for filters

Circuit arrangements for modifying dynamic range using variable

Circuit for at least two frequencies

Circuit for compression or expansion of an electrical signal

Comb filter

Comb linear amplifier combiner (CLAC)

Compensation method and apparatus for an RC attenuator

Current feedback audio power amplifier

Drift free low noise composite amplifier and method of operation

Dual band power amplifier with improved isolation

Electronically tuned power amplifier

Facility for combining and amplifying two broadband signals