The extreme case when the signal at the channel's center frequency is completely eliminated is known as a notch filter.
22.
The second Op Amp is configured as a simple active high pass filter or a notch filter to attenuate 60hz.
23.
When measuring the non-linearities of power amplifiers, a very narrow notch filter can be very useful to avoid the carrier frequency.
24.
Many of the methods used to reduce feedback ( notch filters, filling the f-hoes with foam ) have effects on the tone of the instrument.
25.
Typically, the width of the stopband is 1 to 2 audio band, a notch filter has high and low frequencies that may be only semitones apart.
26.
For example, intermodulation products of channel 7 appear in channel 5, 6, 8 and 9 . That is why notch filters are used in intercarrier system.
27.
According to their web site the plug in is not using a notch filter and is based on their sonicWORX de-mixing technology which utilizes statistical signal properties.
28.
The coating can be designed as a long-or short-pass filter, a bandpass or notch filter, or a mirror with a specific reflectivity ( useful in lasers ).
29.
He also reasoned that it could be stopped by inserting a very narrow White Instruments to hand craft notch filters for specific feedback frequencies in specific rooms.
30.
This can be a notch filter, one which passes all but the fundamental, with negligible attenuation at other frequencies ( including whatever harmonics might be present ).
