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2017•Unpublished venueRequires access

A Hierarchical and Programmable OTA-C Filter

Mousumi Bhanja, Baidyanath Ray

Open publisher page 4 citations

Abstract

A systematic synthesis approach for designing a voltage-mode multifunction operational transconductance amplifier (OTA)-C biquadratic has been described using programmable first order filter. The proposed filter shows lower sensitivities, high frequency response, lower output noise. The proposed second order filter has been converted to third order butterworth and elliptic filter employing a single capacitor. Hierarchical analysis has been maintained through the synthesis of higher order band pass filter (BPF) and high pass filter (HPF) using the proposed biquadratic. All the proposed theory are validated with SPICE simulations.

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What this paper is about

A systematic synthesis approach for designing a voltage-mode multifunction operational transconductance amplifier (OTA)-C biquadratic has been described using programmable first order filter. The proposed filter shows lower sensitivities, high frequency response, lower output noise. The proposed second order filter has been converted to third order butterworth and elliptic filter employing a single capacitor. Hierarchical analysis has been maintained through the synthesis of higher order band pass filter (BPF) and high pass filter (HPF) using the proposed biquadratic. All the proposed theory are validated with SPICE simulations.

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Available abstract

A systematic synthesis approach for designing a voltage-mode multifunction operational transconductance amplifier (OTA)-C biquadratic has been described using programmable first order filter. The proposed filter shows lower sensitivities, high frequency response, lower output noise. The proposed second order filter has been converted to third order butterworth and elliptic filter employing a single capacitor. Hierarchical analysis has been maintained through the synthesis of higher order band pass filter (BPF) and high pass filter (HPF) using the proposed biquadratic. All the proposed theory are validated with SPICE simulations.

Key concepts: Butterworth filter, Voltage-controlled filter, Active filter, High-pass filter, Filter (signal processing), Low-pass filter, All-pass filter, Elliptic filter

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