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Paper Information

Journal:   JOURNAL OF MEDICAL SIGNALS AND SENSORS (JMSS)   JANUARY-MARCH 2018 , Volume 8 , Number 1; Page(s) 53 To 59.
 
Paper: 

DESIGNING AN INVERTER-BASED OPERATIONAL TRANSCONDUCTANCE AMPLIFIER-CAPACITOR FILTER WITH LOW POWER CONSUMPTION FOR BIOMEDICAL APPLICATIONS

 
 
Author(s):  YOUSEFI NEZHAD SAJAD, KERMANI SAEED*, HOSSEINNIA SAEED
 
* DEPARTMENT OF BIOELECTRIC AND BIOMEDICAL ENGINEERING, SCHOOL OF ADVANCED TECHNOLOGIES IN MEDICINE, ISFAHAN UNIVERSITY OF MEDICAL SCIENCES, ISFAHAN, IRAN
 
Abstract: 

The operational transconductance amplifier-capacitor (OTA-C) filter is one of the best structures for implementing continuous-time filters. It is particularly important to design a universal OTA-C filter capable of generating the desired filter response via a single structure, thus reducing the filter circuit power consumption as well as noise and the occupied space on the electronic chip. In this study, an inverter-based universal OTA-C filter with very low power consumption and acceptable noise was designed with applications in bioelectric and biomedical equipment for recording biomedical signals. The very low power consumption of the proposed filter was achieved through introducing bias in subthreshold MOSFET transistors. The proposed filter is also capable of simultaneously receiving favorable low-, band-, and high-pass filter responses. The performance of the proposed filter was simulated and analyzed via HSPICE software (level 49) and 180 nm complementary metal-oxide-semiconductor technology. The rate of power consumption and noise obtained from simulations are 7.1 nW and 10.18 nA, respectively, so this filter has reduced noise as well as power consumption. The proposed universal OTA-C filter was designed based on the minimum number of transconductance blocks and an inverter circuit by three transconductance blocks (OTA).

 
Keyword(s): BIOMEDICAL SIGNALS, INVERTER CIRCUIT, LOW POWER CONSUMPTION, OPERATIONAL TRANSCONDUCTANCE AMPLIFIER-CAPACITOR FILTER, SUBTHRESHOLD ACTIVATION
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

YOUSEFI NEZHAD, S., & KERMANI, S., & HOSSEINNIA, S. (2018). DESIGNING AN INVERTER-BASED OPERATIONAL TRANSCONDUCTANCE AMPLIFIER-CAPACITOR FILTER WITH LOW POWER CONSUMPTION FOR BIOMEDICAL APPLICATIONS. JOURNAL OF MEDICAL SIGNALS AND SENSORS (JMSS), 8(1), 53-59. https://www.sid.ir/en/journal/ViewPaper.aspx?id=572960



Vancouver: Copy

YOUSEFI NEZHAD SAJAD, KERMANI SAEED, HOSSEINNIA SAEED. DESIGNING AN INVERTER-BASED OPERATIONAL TRANSCONDUCTANCE AMPLIFIER-CAPACITOR FILTER WITH LOW POWER CONSUMPTION FOR BIOMEDICAL APPLICATIONS. JOURNAL OF MEDICAL SIGNALS AND SENSORS (JMSS). 2018 [cited 2021July24];8(1):53-59. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572960



IEEE: Copy

YOUSEFI NEZHAD, S., KERMANI, S., HOSSEINNIA, S., 2018. DESIGNING AN INVERTER-BASED OPERATIONAL TRANSCONDUCTANCE AMPLIFIER-CAPACITOR FILTER WITH LOW POWER CONSUMPTION FOR BIOMEDICAL APPLICATIONS. JOURNAL OF MEDICAL SIGNALS AND SENSORS (JMSS), [online] 8(1), pp.53-59. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=572960.



 
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