DocumentCode :
76850
Title :
High-Gain Operational Transconductance Amplifiers in a Printed Complementary Organic TFT Technology on Flexible Foil
Author :
Maiellaro, G. ; Ragonese, Egidio ; Castorina, A. ; Jacob, Shebin ; Benwadih, Mohammed ; Coppard, R. ; Cantatore, Eugenio ; Palmisano, G.
Author_Institution :
DIEEI, Univ. di Catania, Catania, Italy
Volume :
60
Issue :
12
fYear :
2013
fDate :
Dec. 2013
Firstpage :
3117
Lastpage :
3125
Abstract :
This paper presents the design and experimental results of advanced analog blocks manufactured in a printed complementary organic TFT technology on flexible foil. Operational transconductance amplifiers exhibiting open-loop gain from 40 to 50 dB and gain-bandwidth product from 55 Hz to 1.5 kHz have been implemented by using different circuit topologies. An extensive amplifier characterization in both time and frequency domain (i.e., gain, gain-bandwidth product, phase margin, settling time, harmonic distortion) has been carried out, which demonstrates the performance of the adopted technology in analog circuit implementations. Finally, a 40-dB 1.5-kHz amplifier has been employed in a switched capacitor comparator that proved fully functionality up to input frequency of 50 Hz.
Keywords :
comparators (circuits); network topology; operational amplifiers; switched capacitor networks; thin film transistors; advanced analog blocks; circuit topology; flexible foil; frequency 50 Hz; frequency 55 Hz to 1.5 kHz; gain 40 dB to 50 dB; operational transconductance amplifiers; printed complementary organic TFT technology; switched capacitor comparator; thin film transistors; Comparator; mixed analog-digital circuits; organic; pentacene; sensors; switched capacitor circuits; thin film transistor;
fLanguage :
English
Journal_Title :
Circuits and Systems I: Regular Papers, IEEE Transactions on
Publisher :
ieee
ISSN :
1549-8328
Type :
jour
DOI :
10.1109/TCSI.2013.2255651
Filename :
6519935
Link To Document :
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