Increasing the load capacity of the operational amplifier
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Abstract
Reason instability in local area of mass application opamp is investigated. It is marked that the tradition analyse of stability does not embrace plenitude of problem. It has been established that the cause of local instability consists in a nonlinear dependence of the capacitance -voltage transistors of the current operating point , so the analysis phase margin at the initial operating point is insufficient. For a decision the set problem numeral methods analysis of instability are used. Solution of task is offered due to the increase of volume of analysis of frequency and phase descriptions with verification by a time domain analyse.
References 3, figures 12.
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References
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Sze, S. M. and Kwok, K. Ng. (2007). Physics of Semiconductor Devices, Third Edition. A JOHN WILEY & SONS, JNC., PUBLICATION. ISBN-I 3: 978-0-47 1-1 4323-9, ISBN-10: 0-471-14323-5, P. 763.
