September 27th, 2008
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The electronics power conversion circuit that convert and control electrical power, use Power Semiconductor devices. These devices operate in the switching mode, which causes the losses to be reduced and therefore the conversion efficiency is to be improved. However the disadvantages of switching mode operation are the generation of harmonics and the fact that the [...]
Written by John on September 27th, 2008 with no comments.
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We have treated the gain of the op-amp as a constant.However it is a complex number that is a function of frequency.Therefore at a given frequency the gain will have a specific magnitude as well as phase angle.The manner in which the gain of the op-amp response to different frequencies is called the frequency response.A [...]
Written by John on September 27th, 2008 with no comments.
Read more articles on Linear Integrated Circuits and op-amp.
In the inverting amplifier,only one input is applied and that is to the inverting input terminal.The non-inverting input terminal is grounded since V1=0V and V2=Vin. Therefore Vo = -A(Vin) The negative sign indicates the output voltage is out of phase with respect to input by 180 degree or is of opposite polarity.Thus in the inverting [...]
Written by John on September 27th, 2008 with no comments.
Read more articles on Linear Integrated Circuits and op-amp and op-amp applications.
