3 research outputs found

    Grounded capacitor-based new floating inductor simulators and a stability test

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    In this paper, two new floating inductor simulators (FISs), both using two differential difference current conveyors, are considered. The proposed FISs do not suffer from passive component matching constraints and employ a minimum number of passive elements. They use a grounded capacitor; accordingly, they are suitable for integrated circuit technology. They have good low- and high-frequency performances. Simulations are performed with the SPICE program to verify the claimed theory. Moreover, for the first FIS used in a second-order low-pass filter, a stability test is performed as an example. ÂĐ TÜBITAK

    āļ§āļ‡āļˆāļĢāļāļĢāļ­āļ‡āļ„āļ§āļēāļĄāļ–āļĩāđˆāđ„āļšāļ„āļ§āļ­āļ”āļĢāļēāļ•āļīāļāđ‚āļŦāļĄāļ”āļāļĢāļ°āđāļŠāļ—āļĩāđˆāļ›āļĢāļąāļšāļ„āđˆāļēāļ„āļ§āļēāļĄāļ–āļĩāđˆāļ”āđ‰āļ§āļĒāļ§āļīāļ˜āļĩāļ—āļēāļ‡āļ­āļīāđ€āļĨāđ‡āļāļ—āļĢāļ­āļ™āļīāļāļŠāđŒāđ‚āļ”āļĒāđƒāļŠāđ‰ CC-CDDCC āđ€āļžāļĩāļĒāļ‡āļ•āļąāļ§āđ€āļ”āļĩāļĒāļ§āđāļĨāļ°āļ­āļļāļ›āļāļĢāļ“āđŒāļžāļēāļŠāļ‹āļĩāļŸāđāļšāļšāļ•āđˆāļ­āļāļĢāļēāļ§āļ”āđŒ

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    āļšāļ—āļ„āļąāļ”āļĒāđˆāļ­āļšāļ—āļ„āļ§āļēāļĄāļ™āļĩāđ‰āļ™āļģāđ€āļŠāļ™āļ­āļ§āļ‡āļˆāļĢāļāļĢāļ­āļ‡āļ„āļ§āļēāļĄāļ–āļĩāđˆāđ„āļšāļ„āļ§āļ­āļ”āļĢāļēāļ•āļīāļāļ—āļģāļ‡āļēāļ™āđƒāļ™āđ‚āļŦāļĄāļ”āļāļĢāļ°āđāļŠāđāļšāļšāļŦāļĨāļēāļĒāļ­āļīāļ™āļžāļļāļ•āļŦāļĨāļēāļĒāđ€āļ­āļēāļ•āđŒāļžāļļāļ• (MIMO) āļ–āļđāļāļ­āļ­āļāđāļšāļšāļˆāļēāļāđāļ­āļāļ—āļĩāļŸāļšāļīāļ§āļ”āļīāđ‰āļ‡āļšāļĨāđ‡āļ­āļāļ—āļĩāđˆāļŠāļ·āđˆāļ­āļ§āđˆāļē Current-controlled Current Duplicated Differencing Current Conveyor (CC-CDDCC) āļ”āđ‰āļ§āļĒāđ€āļ—āļ„āđ‚āļ™āđ‚āļĨāļĒāļĩāļ‹āļĩāļĄāļ­āļŠ āļˆāļģāļ™āļ§āļ™āļŦāļ™āļķāđˆāļ‡āļ§āļ‡āļˆāļĢāđāļĨāļ°āļ•āļąāļ§āđ€āļāđ‡āļšāļ›āļĢāļ°āļˆāļļāđāļšāļšāļ•āđˆāļ­āļāļĢāļēāļ§āļ™āļ”āđŒāļŠāļ­āļ‡āļ•āļąāļ§āļ§āļ‡āļˆāļĢāļ—āļĩāđˆāļ™āļģāđ€āļŠāļ™āļ­āļĄāļĩāļ‚āđ‰āļ­āļ”āļĩāļ”āļąāļ‡āļ™āļĩāđ‰ āđƒāļŠāđ‰āļ­āļļāļ›āļāļĢāļ“āđŒāđāļ­āļāļ—āļĩāļŸāđāļĨāļ°āļžāļēāļŠāļ‹āļĩāļŸāļ™āđ‰āļ­āļĒ āļŠāļēāļĄāļēāļĢāļ–āļŠāļĢāđ‰āļēāļ‡āļ§āļ‡āļˆāļĢāļāļĢāļ­āļ‡āļ„āļ§āļēāļĄāļ–āļĩāđˆāđ„āļ”āđ‰āļŦāđ‰āļēāđāļšāļšāđƒāļ™āļ§āļ‡āļˆāļĢāđ€āļ”āļĩāļĒāļ§āļ„āļ·āļ­ āļ„āļ§āļēāļĄāļ–āļĩāđˆāļ•āđˆāļģāļœāđˆāļēāļ™ āđāļ–āļšāļ„āļ§āļēāļĄāļ–āļĩāđˆāļœāđˆāļēāļ™ āļ„āļ§āļēāļĄāļ–āļĩāđˆāļŠāļđāļ‡āļœāđˆāļēāļ™ āđāļ–āļšāļ„āļ§āļēāļĄāļ–āļĩāđˆāļŦāļĒāļļāļ”āđāļĨāļ°āļœāđˆāļēāļ™āļ—āļļāļāļ„āļ§āļēāļĄāļ–āļĩāđˆ āđ‚āļ”āļĒāļ—āļĩāđˆāļ„āđˆāļēāļ„āļ§āļēāļĄāđ„āļ§āļ‚āļ­āļ‡āļ­āļļāļ›āļāļĢāļ“āđŒāđāļ­āļāļ—āļĩāļŸāđāļĨāļ°āļžāļēāļŠāļ‹āļĩāļŸāļĄāļĩāļ„āđˆāļēāļ•āđˆāļģāļ­āļĩāļāļ—āļąāđ‰āļ‡āļĒāļąāļ‡āļŠāļēāļĄāļēāļĢāļ–āļ›āļĢāļąāļšāļ„āđˆāļēāļ„āļ§āļēāļĄāļ–āļĩāđˆāđ„āļ”āđ‰āļ—āļēāļ‡āļ­āļīāđ€āļĨāđ‡āļāļ—āļĢāļ­āļ™āļīāļāļŠāđŒāļˆāļēāļāļāļēāļĢāļ›āļĢāļąāļšāļ„āđˆāļēāļāļĢāļ°āđāļŠāđ„āļšāđāļ­āļŠāđƒāļŠāđ‰āđāļĢāļ‡āļ”āļąāļ™āđ„āļŸāđ€āļĨāļĩāđ‰āļĒāļ‡āļ•āđˆāļģāđ€āļžāļĩāļĒāļ‡ Âą1.25V āļĄāļĩāļāļēāļĢāļŠāļđāļāđ€āļŠāļĩāļĒāļāļģāļĨāļąāļ‡āđ„āļŸāļŸāđ‰āļēāļ›āļĢāļ°āļĄāļēāļ“ 50 ΞW āļ—āļĩāđˆāļ„āļ§āļēāļĄāļ–āļĩāđˆāļ•āļ­āļšāļŠāļ™āļ­āļ‡ 12.023 MHz āļˆāļēāļāļāļēāļĢāļ—āļĩāđˆāđ„āļĄāđˆāđƒāļŠāđ‰āļ•āļąāļ§āļ•āđ‰āļēāļ™āļ—āļēāļ™āļ āļēāļĒāļ™āļ­āļāļ—āļģāđƒāļŦāđ‰āļ§āļ‡āļˆāļĢāļ—āļĩāđˆāļ™āļģāđ€āļŠāļ™āļ­āđ€āļŦāļĄāļēāļ°āļāļąāļšāļāļēāļĢāļ™āļģāđ„āļ›āļŠāļĢāđ‰āļēāļ‡āđ€āļ›āđ‡āļ™āļ§āļ‡āļˆāļĢāļĢāļ§āļĄāđ„āļ”āđ‰āļ‡āđˆāļēāļĒāļ‚āļķāđ‰āļ™ āļ‹āļķāđˆāļ‡āļ„āļļāļ“āļŠāļĄāļšāļąāļ•āļīāļ—āļąāđ‰āļ‡āļŦāļĄāļ”āļ–āļđāļāļˆāļģāļĨāļ­āļ‡āļāļēāļĢāļ—āļģāļ‡āļēāļ™āļ”āđ‰āļ§āļĒāđ‚āļ›āļĢāđāļāļĢāļĄ PSpice āļ—āļąāđ‰āļ‡āļ™āļĩāđ‰āđ€āļžāļ·āđˆāļ­āļĒāļ·āļ™āļĒāļąāļ™āđƒāļ™āļ—āļēāļ‡āļ—āļĪāļĐāļŽāļĩāļ—āļĩāđˆāļ™āļģāđ€āļŠāļ™āļ­āļ„āļģāļŠāļģāļ„āļąāļ: āđāļ­āļāļ—āļĩāļŸāļšāļīāļ§āļ”āļīāđ‰āļ‡āļšāļĨāđ‡āļ­āļ CC-CDDCC āļ§āļ‡āļˆāļĢāļāļĢāļ­āļ‡āļ„āļ§āļēāļĄāļ–āļĩāđˆāđ„āļšāļ„āļ§āļ­āļ”āļĢāļēāļ•āļīāļ āļ›āļĢāļąāļšāļ„āđˆāļēāđ„āļ”āđ‰āļ—āļēāļ‡āļ­āļīāđ€āļĨāđ‡āļāļ—āļĢāļ­āļ™āļīāļāļŠāđŒAbstractThis paper presents a new electronically tunable current-mode universal biquadratic filter with multipleinput multiple-output (MIMO) based on an active building block (ABB) named as current-controlled current duplicated differencing current conveyor (CC-CDDCC) using CMOS technology and two grounded capacitors. The proposed filter provides the following advantages: a low number of active and passive components; realization of low-pass, band-pass, high-pass, band-stop and all-pass current responses; low active and passive sensitivities; electronic tuning ability through adjusting the bias current; using Âą1.25V low power supplies with power consumptions around 50 ΞW at 12.023 MHz operating frequency. The simulation results of the proposed circuit characteristics carried out by PSpice agree well with the theoretical expectations.Keywords: Active Building Block CC-CDDCC, Biquadratic Filter, Electronically Tunabl

    Tunable Fractional-Order Capacitance Multiplier Using Current Gain Adjustment

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    This paper brings new solution of linearly adjustable fractional-order capacitance multiplier. The adjustable current gain, linear in wide range of input current and with linear dependence on driving voltage, serves for these purposes and offers one-decade variation of equivalent capacity (pseudo-capacitance) between 24 and 429 F/sec^0.75 . The operational range was tested by PSpice simulations and by measurement using RC approximant of constant phase element of the order 0.25 in bandwidth from 20 Hz up to 1 MHz
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