Design and Analysis of CMOS Telescopic Operational Transconductance Amplifier for 0.35 micro TechnologyJournal: International Journal of Science and Research (IJSR) (Vol.2, No. 3)
Publication Date: 2013-03-05
Authors : Kalpesh B. Pandya; Kehul A. shah;
Page : 87-90
Keywords : OTA; UGB; Gain; Phase Margin; ICMR; CMRR;
Designing high performance analog circuits is becoming increasingly challenging with the persistent trend toward reduced supply voltages. At large supply voltages, there is a trade-off among speed, power and gain, amongst other performance parameters. Often these parameters present contradictory choices for the op-amp architectures. In this paper telescopic OTA is designed for 0.35& mu; m technology with the help of P-spice Orcad simulator. This designed telescopic OTA achieved gain 40db, phase margin of 70degree, CMRR 75db, which are the basic performance parameters of the OTA.
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