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A frequency dependent negative resistor (F … A frequency dependent negative resistor (FDNR) is a circuit element that exhibits a purely real negative resistance -1/(ω2kC) that decreases in magnitude at a rate of -40 dB per decade. The element is used in implementation of low-pass active filters modeled from ladder filters. The element is usually implemented from a (GIC) or gyrator. The impedance of a FDNR is or when s = jω. The definition and application of frequency dependent negative resistors is discussed in Temes & LaPatra, Chen and Wait, Huelsman & Korn. The technique is attributed to L. T. Bruton.e technique is attributed to L. T. Bruton.
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| rdfs:comment |
A frequency dependent negative resistor (F … A frequency dependent negative resistor (FDNR) is a circuit element that exhibits a purely real negative resistance -1/(ω2kC) that decreases in magnitude at a rate of -40 dB per decade. The element is used in implementation of low-pass active filters modeled from ladder filters. The element is usually implemented from a (GIC) or gyrator. The impedance of a FDNR is or when s = jω. The definition and application of frequency dependent negative resistors is discussed in Temes & LaPatra, Chen and Wait, Huelsman & Korn. The technique is attributed to L. T. Bruton.e technique is attributed to L. T. Bruton.
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| rdfs:label |
Frequency dependent negative resistor
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