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... Drain Current = IDQ = k [(VGS - VT )2 (1+λ VDS )] for enhancement MOSFET k is nothing but kn. Kn = (K^' n ×W)/(2×L) Kn = ((100×10^(-3) )×(10×10^(-6)))/(2×(5×10^(-6))) Kn = 0.1 A / v2 **for λ = 0** IDQ = k [(VGS - VT )2 (1+λ ×VDS )] IDQ = 0.1 [(5 - 1 )2 (1+0 × 5 )] **IDQ = 1.6 ...
written 13 months ago by Amruta Padhye20
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Answer: A: Calculate $g_m$ and $r_0$
... ![enter image description here][1] ![enter image description here][2] [1]: https://i.imgur.com/BvhFuyy.jpg [2]: https://i.imgur.com/MzCnzUT.jpg ...
written 13 months ago by Amruta Padhye20
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... The basic operation and the characteristics of n-channel MOSFET is as given: Operation with VGS =0 volt: •If Vgs is zero and a positive voltage is applied between its drain and source, then due to absence of n-type channel, a zero drain current will present. Operation when VGS is positive: •The ...
written 13 months ago by Amruta Padhye20
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410
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... Win bridge oscillator is RC phase shift oscillator The following figure shows the wein bridge oscillator ![enter image description here][1] **Construction:** It is essentially a two-stage amplifier with an R-C bridge circuit. R-C bridge circuit (Wien bridge) is a lead-lag network. Wien bridge ...
written 13 months ago by Amruta Padhye20
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... • Wein bridge oscillator is also an RC oscillator as it uses a network of R and C for feedback. • An amplifier which is used in this does not introduced any phase shift therefore the feedback network which is a lead and lag type is also provide zero phase shift , this is the major difference betw ...
written 13 months ago by Amruta Padhye20
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... ![enter image description here][1] ![enter image description here][2] ![enter image description here][3] ![enter image description here][4] ![enter image description here][5] ![enter image description here][6] ![enter image description here][7] ![enter image description here][8] ![enter imag ...
written 13 months ago by Amruta Padhye20
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... Given : VT = 1.2V, k = 0.2 mA/v2 , λ = 0.01v-1 1) When VGS= 2V IDQ = k [(VGS - VT )2 ] IDQ = 0.2 ×10-3[(2 – 1.2 )2] **IDQ = 1.28 × 10-4 A** ro = 1/(λ IDQ ) ro = 1/((0.01×1.28 ×10^(-4))) **ro =781.250KΩ** 2) When VGS= 4V IDQ = k [(VGS - ...
written 13 months ago by Amruta Padhye20
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341
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... Given : VGS= 3V , VT = 1V, k = 0.15 mA/v2 ,λ = 0.03v-1 ,and VDS = 8V Drain Current (IDQ) = k [(VGS - VT )2 (1+λ VDS )] IDQ = 0.15[(3 -1 )2 (1+ 0.03× 8)] IDQ = 0.744 mA **IDQ = 0.744 mA** The output resistance (ro) = 1/(λ IDQ ) ro = 1/((0.03×0.744×10^(-3) ) ro= 44.802 KΩ. **ro= 44.8 ...
written 13 months ago by Amruta Padhye20
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... • There are four basic ways of connecting the feedback signal.Both voltage and current can be fedback to the input either in series or parallel.Specifically there can be 1. Voltage Series Feedback : In this type a part of output voltage fed back in series with the input signal,resulting in overall ...
written 13 months ago by Amruta Padhye20
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... ![enter image description here][1] ![enter image description here][2] ![enter image description here][3] ![enter image description here][4] [1]: https://i.imgur.com/m6DG5rh.jpg [2]: https://i.imgur.com/vQlLA96.jpg [3]: https://i.imgur.com/1jlFiw6.jpg [4]: https://i.imgur.com/fmXWinv.j ...
written 13 months ago by Amruta Padhye20

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