Realization of OFCC based Transimpedance Mode Instrumentation Amplifier

Neeta Pandey, Deva Nand, V. Venkatesh Kumar, Varun Kumar Ahalawat, Chetna Malhotra

Realization of OFCC based Transimpedance Mode Instrumentation Amplifier

Číslo: 2/2016
Periodikum: Advances in Electrical and Electronic Engineering
DOI: 10.15598/aeee.v14i2.1551

Klíčová slova: Difference amplifier; operational floating current conveyor; transimpedance instrumentation amplifier, Rozdílový zesilovač; Transimpedanční přístrojový zesilovač

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Anotace: The paper presents an instrumentation amplifier suitable for amplifying the current source transducer signals. It provides a voltage output. It has a high gain, common mode rejection ratio and gain independent bandwidth. It uses three Operational Floating Current Conveyors (OFCCs) and four resistors. The effect of nonidealities of OFCC on performance of proposed transimpedance instrumentation amplifier (TIA) is also analyzed. The proposal has been verified through SPICE simulations using CMOS based schematicThe paper presents an instrumentation amplifier suitable for amplifying the current source transducer signals. It provides a voltage output. It has a high gain, common mode rejection ratio and gain independent bandwidth. It uses three operational floating current conveyors (OFCCs) and four resistors. The effect of nonidealities of OFCC on performance of proposed transimpedance instrumentation amplifier (TIA) is also analyzed. The proposal has been verified through SPICE simulations using CMOS based schematic.