This filter was found in Exar documentation from the 1980s. The circuit has an attenuation of 60 dB at the selected frequency. The power supply must be symmetrical.
We found this circuit in a 1981 publication. We applied an audio signal, for example, a music...
Indicated for automotive applications, this circuit was published in the July 1983 issue of Radio...
This amplifier provides 20 W of power on each channel, containing separate filters to power a...