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Transient analysis of resistor-capacitor system
Transient analysis of resistor-capacitor system

... materials, giving rise to interesting electrical properties. The electrical properties at these semiconductor junctions can be characterized using resistors (R) and capacitors (C), giving rise to the name “RC-model”. In this module we will consider the electrical behavior of the simplest configurati ...
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... Two-, three-, or four-wire proximity sensors contain a transistor oscillator and a snap-action amplifier. This provides exceedingly high accuracy to a set switching point, even with very slowly approaching targets. Switching characteristics are unaffected by supply voltage fluctuations within the sp ...
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... examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation warranties of non-infringement of intellectual prop ...
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Produce High DC/DC Step-Down Ratios in Tight Spaces with 30ns
Produce High DC/DC Step-Down Ratios in Tight Spaces with 30ns

... and inductor. This current limit approach is effective, as shown by the short circuit behavior in Figure 3. A hard short could spell disaster for an unprotected voltage mode converter. But here, the inductor does not saturate, and the input rail maintains its integrity while the output gracefully dr ...
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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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