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All-pass filter

Known as: All pass filter, Allpass, Allpass filter 
An all-pass filter is a signal processing filter that passes all frequencies equally in gain, but changes the phase relationship among various… 
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Papers overview

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Highly Cited
2012
Highly Cited
2012
In this paper multiphase oscillators built using fractional-order allpass filters are presented. We examine the theory behind… 
2011
2011
In this study, a simple voltage-mode first-order all-pass (AP) filter implementation is presented which employs only MOS… 
2007
2007
This paper presents two new first-order voltage-mode all-pass filters using a single-current differencing buffered amplifier and… 
Highly Cited
2007
Highly Cited
2007
In this paper, a versatile three‐input five‐output universal capacitor‐grounded voltage‐mode filter is proposed. The circuit… 
Review
2000
Review
2000
Artificial reverberator topologies making use of all-pass filters in a feedback loop are popular, but have lacked accurate… 
1998
1998
A new universal voltage-mode second-order filter circuit is presented. The circuit uses five current-feedback operational… 
Highly Cited
1990
Highly Cited
1990
A new method for changing the cut-off frequency of infinite impulse response (IIR) digital filters with a single parameter is… 
1988
1988
The implementation of digital filter structures of all-pass subfilters using modern high-speed signal processors is investigated… 
Highly Cited
1985
Highly Cited
1985
The necessary and sufficient conditions are given for a digital filter transfer function to be implementable as a sum of two all…