220278 ⎘
Tone control or bandwidth control in amplifiers; Manually-operated control in untuned amplifiers having semiconductor devices
Sub-classes:Low-power and area-efficient gain-bandwidth tripler amplifier
#2Guitar amplifier system and method
#3Gigabit ethernet transceiver with analog front end
#4Tone control circuit for hearing aid and the like
#5Gigabit ethernet transceiver with analog front end
#6Gigabit ethernet transceiver with analog front end
#7Gigabit ethernet transceiver with analog front end
#8Methods and apparatus for audio signal equalization
#9Gigabit Ethernet transceiver with analog front end
#10Adjustable bandwidth high pass filter for large input signal, low supply voltage applications
#11Sound quality enhancement circuit for audio signals and audio amplifier circuit using the same
#12Electrolarynx control button arrangement