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Single VDTA Based Dual Mode Single Input Multioutput Biquad Filter
oleh: Rajeshwari Pandey, Neeta Pandey, Navin Singhal
Format: | Article |
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Diterbitkan: | Hindawi Limited 2016-01-01 |
Deskripsi
This paper presents a dual mode, single input multioutput (SIMO) biquad filter configuration using single voltage differencing transconductance amplifier (VDTA), three capacitors, and a grounded resistor. The proposed topology can be used to synthesize low pass (LP), high pass (HP), and band pass (BP) filter functions. It can be configured as voltage mode (VM) or current mode (CM) structure with appropriate input excitation choice. The angular frequency (ω0) of the proposed structure can be controlled independently of quality factor (Q0). Workability of the proposed biquad configuration is demonstrated through PSPICE simulations using 0.18 μm TSMC CMOS process parameters.