2019
DOI: 10.1109/access.2019.2930904
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Synthesis of Chebyshev/Elliptic Filters Using Minimum Acoustic Wave Resonators

Abstract: Acoustic wave (AW) filters for next-generation wireless communication systems are designed to prevent signal interference and to be as small as possible. Using a pole-zero extraction method with a ladder-type AW filter, this paper proposes an algorithm to optimize the parameters for each AW resonator. The pole-zero positions of the equivalent circuit model are aligned with those of a Chebyshev or elliptic filter in the s-domain in order to give a frequency response that satisfies the system requirements in ter… Show more

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Cited by 15 publications
(11 citation statements)
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“…Due to the flexibility and versatility of active filters [1]- [7] and oscillators [8]- [14] in practical applications, people are increasingly interested in their design. Active components have been recognized by circuit design researchers and have drawn great attention in realizing filters and oscillators [15]- [25].…”
Section: Introductionmentioning
confidence: 99%
“…Due to the flexibility and versatility of active filters [1]- [7] and oscillators [8]- [14] in practical applications, people are increasingly interested in their design. Active components have been recognized by circuit design researchers and have drawn great attention in realizing filters and oscillators [15]- [25].…”
Section: Introductionmentioning
confidence: 99%
“…The corresponding generalized filter functions are utilized to calculate the coefficients of both the numerator and denominator of the transfer function. Using the generalized filter functions, the coefficients of the numerator and denominator polynomials of the transfer function can also be calculated to synthesize Chebyshev and elliptic filters with RLC resonators [12,13]. The problem of obtaining the poles and zeros in the complex plane is solved by the roots of the numerator and denominator.…”
Section: Introductionmentioning
confidence: 99%
“…The choice of active building blocks (ABBs) plays an important role in analog filter design because one expects VM second-order multifunction filters with high input and low output impedances to allow cascading of the VM circuits. Therefore, many circuit architecture studies use different high-performance ABBs to implement different kinds of filters and oscillators [ 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 ]. In [ 22 ], a high-input impedance VM second-order filter based on four second-generation current conveyor (CCII) active components and six passive components is proposed.…”
Section: Introductionmentioning
confidence: 99%