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Abstract
In this paper a programmable input mode instrumentation amplifier (IA) utilising second generation, multiple output current conveyors and transmission gates is presented. Its main advantage is the ability to choose a voltage or current mode of inputs by setting the voltage of two configuration nodes. The presented IA is prepared as an integrated circuit block to be used alone or as a sub-block in a microcontroller or in a field programmable gate array (FPGA), which shall condition analogue signals to be next converted by an analogue-to-digital converter (ADC). IA is designed in AMS 0.35μm CMOS technology and the power supply is 3.3 V; the power consumption is approximately 9.1 mW. A linear input range in the voltage mode reaches ± 1.68 V or ± 250 μA in current mode. A passband of the IA is above 11 MHz. The amplifier works in class A, so its current supply is almost constant and does not cause noise disturbing nearby working recision analogue circuits.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1515/mms-2017-0017
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
Metrology and Measurement Systems
no. 24,
pages 79 - 89,
ISSN: 0860-8229 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Pankiewicz B.: Programmable Input Mode Instrumentation Amplifier Using Multiple Output Current Conveyors// Metrology and Measurement Systems. -Vol. 24, nr. 1 (2017), s.79-89
- DOI:
- Digital Object Identifier (open in new tab) 10.1515/mms-2017-0017
- Verified by:
- Gdańsk University of Technology
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