A high gain and low-offset current-mode instrumentation amplifier using differential difference current conveyors
Küçük Resim Yok
Tarih
2016
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Institute of Electrical and Electronics Engineers Inc.
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
In this work, a current-mode high CMRR and low offset instrumentation amplifier is proposed. In the structure, only differential difference current conveyors (DDCC) are employed. The offset of the instrumentation amplifier is suppressed using an integrator feedback stage. The CMRR of the system is simulated using mismatch models for the DDCC elements employed. The CMRR of the instrumentation amplifier is independent of resistor mismatches, and, high CMRR is achieved if good matching of the differential transistors of each current conveyor is provided. The proposed instrumentation amplifier is designed using 0.35?m technology and simulated using HSPICE. The designed instrumentation amplifier provides high CMRR with low offset and it is especially suitable for AC coupled measurements. The simplicity of the design structure is the main advantage of the provided design where only DDCC elements are required for high CMRR and high output swing. © 2015 IEEE.
Açıklama
IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2015 -- 6 December 2015 through 9 December 2015 -- -- 121056
Anahtar Kelimeler
Cmrr; Current-Conveyor; Current-Mode Circuits; Ddcc; Low Offset Instrumentation Amplifier, Conveyors; Differential Amplifiers; Feedback Amplifiers; Structural Design; Cmrr; Current Conveyors; Current-Mode Circuit; Ddcc; Low Offset Instrumentation Amplifiers; Spice
Kaynak
Proceedings of the IEEE International Conference on Electronics, Circuits, and Systems
WoS Q Değeri
Scopus Q Değeri
N/A
Cilt
2016-March
