Headset interface
Hearing aid having input agc and output agc
Hearing aid noise suppression system
High dynamic range closed loop automatic gain control circuit
High dynamic range variable gain amplifier
High efficiency amplifier with reduced switching distortion
High efficiency, light weight audio amplifier and power supply
High frequency amplifier circuit
High frequency automatic gain control circuits
High speed variable output power driver
Highly responsive automatic output power control
Hybrid automatic gain control circuit