Active filter

Tuning system and method for automobile power amplifier

Power amplifier noise suppression using feedback

Less-impacting connected mode mobility measurement

Low capacitance analog switch or transmission gate

Frequency characteristic adjusting circuit, optical transmitter, and optical transceiver

Channel selector for a radio frequency receiver

Signal processor using multiple frequency bands

Thermal compensation for amplifiers

Recursive Audio Modulation System Using Nested Inductor Arrays

Single-input multiple-output amplifiers with independent gain control per output

Network for bone conduction transducers

Integrated circuit device and electronic instrument

Dynamic bandwidth compensating method and associated apparatus

Filter circuit providing low distortion and enhanced flexibility to obtain variable gain amplification

System and method for automatically tuning an audio system

Adaptive equalizer for high speed serial data and related control method