Sub threshold, Electrical Engineering

Sub Threshold

The sub threshold I-V curve depends exponentially on the threshold voltage, introducing a strong reliance on any manufacturing variation that influences threshold voltage; for instance: differences in oxide thickness, junction depth/body doping which change the degree of drain-induced barrier lowering. The resultant sensitivity to fabricational variations complicates optimization for leakage and performance.

1618_sub threshold 1.png

Figure: MOSFET drain current vs. drain-to-source voltage for various values of VGS - Vth; the boundary in between linear (Ohmic) and saturation (active) modes is pointed out by the upward curving parabola.

 

2100_sub threshold 2.png

Figure: Cross section of a MOSFET that is operating in the linear (Ohmic) region; strong inversion region exist even near drain

 

939_sub threshold 3.png

Figure: Cross section of a MOSFET operating in the saturation (active) region; channel shows pinch-off near drain

Posted Date: 1/11/2013 1:25:35 AM | Location : United States







Related Discussions:- Sub threshold, Assignment Help, Ask Question on Sub threshold, Get Answer, Expert's Help, Sub threshold Discussions

Write discussion on Sub threshold
Your posts are moderated
Related Questions
Increase in HT and LT Ratio It is well known that for high HT/LT ratio, the losses will be low. The losses for a given quantum of power supplied through a line are inversely p

Q. What will be the effects of an increase in real national income on the interest rate? Answer: An enhance in real national income will increase the interest rate. If

Q. The flux-density distribution produced in a two - pole synchronous generator by an acexcited field winding is B(θ, t) = B m sin ω 1 t cos θ Find the nature of the armatur

A circular ring of magnetic material has a mean length of 1m and a cross sectional area of .001m^2.A sawcut of 5mm width is made in the ring . calculate the magnetizing current req

Explain IMUL instructions in 8086 family with example and their effect on flag. IMUL: It is an instruction for multiplication of two signed numbers. This result is a signed

Write a short summary of the AM superhet receiver, in exacting consider how the demodulation stage works, and remark on the choice of component values used.

design using softwares (LEdit7, LTspice) the project has many aspects and I would like you to check them on the website with my personal password. in the project specifications (d

the covers of electrical machine are made of

A 3-phase, wye-connected, 11 kV, 137.5 MVA turbo-alternator of 0.8 power factor lagging has a synchronous reactance XS = 1.4 Ω. Assume the machine to be ideal for convenience of an

to get PV curve i want optimal power flow program in matlab