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Silicio Ultradelgado Empobrecido en Aislante MOSFET: una
Silicio Ultradelgado Empobrecido en Aislante MOSFET: una

... We have presented a model that simulates an UT-FDSOI-MOSFET using COMSOL Multiphysics. The model simulates the Electrostatic potential and the drift and diffusion currents on the device using Poisson equation and Drift and Diffusion equations for the charge carriers. We extracted the Threshold Volta ...
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... Figure 1. Discrete high-current sensing solution using an operational amplifier. This circuit monitors the high-side current, I. The amplifier is biased on via the Zener diode, which, in this case, is rated at 5.1 V. Its use ensures that the amplifier operates safely at the high common-mode level an ...
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... connect a load across temrinals a-b that consists of a resistance and a capacitance in series such that the power delivered to the resistance is maximized. Find the value of the resistance and the value of the capacitance. ...
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... Electric circuits - key points • Electrons carry the current in a conductor • a circuit provides a closed path for the electrons to circulate around • Conductors have a property called resistance which impedes the flow of current • the battery is like a pump that re-energizes the electrons each tim ...
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L25.ppt - University of Iowa Physics

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7 W, 90-135 Vac, 500 mA LED Driver
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... The TD352 IN input is internally clamped at about 5 V to 7 V. The input is triggered by the signal edge. When using an open collector optocoupler, the resistive pull-up resistor can be connected to either VREF or VH. Recommended pull-up resistor value with VH=16 V is from 4.7 kΩ to 22 kΩ. ...
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... amplifier. You will now test a simple single-stage amplifier using a JFET. Here you'll see how to bias a JFET, even when you do not have a set of characteristic curves. ...
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Current mirror

A current mirror is a circuit designed to copy a current through one active device by controlling the current in another active device of a circuit, keeping the output current constant regardless of loading. The current being 'copied' can be, and sometimes is, a varying signal current. Conceptually, an ideal current mirror is simply an ideal inverting current amplifier that reverses the current direction as well or it is a current-controlled current source (CCCS). The current mirror is used to provide bias currents and active loads to circuits. It can also be used to model a more realistic current source (since ideal current sources don't exist).The circuit topology covered here is one that appears in many monolithic ICs. It is a Widlar mirror without an emitter degeneration resistor in the follower (output) transistor. This topology can only be done in an IC as the matching has to be extremely close and cannot be achieved with discretes.Another topology is the Wilson mirror. The Wilson mirror solves the Early effect voltage problem in his design.
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