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Henning_Stofen_FRAC_G187
Henning_Stofen_FRAC_G187

... If we change the secondary limit from power to current, the output impedance of the transformer does not have a direct impact on test severity anymore. We can allow for a wider range of impedances and especially for lower impedances. Therefore, we do not need to reduce the performance of the test eq ...
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SP6887 4 CHANNEL REGULATED CHARGE PUMP WLED DRIVER

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... FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component in any component of a life support 1. Life support devices o ...
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... 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to resul ...
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... In this problem the circuit has three resistors and one dependant current source. We are interested in the z parameters of this two-port circuit. Let’s take a look at the two equations here which relate the four terminal variables. We need to label I1 and I2 on the circuit, so let’s look at port 1. ...
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Wilson current mirror



A Wilson current mirror is a three-terminal circuit (Fig. 1) that accepts an input current at the input terminal and provides a ""mirrored"" current source or sink output at the output terminal. The mirrored current is a precise copy of the input current. It may be used as a Wilson current source by applying a constant bias current to the input branch as in Fig. 2. The circuit is named after George R. Wilson, an integrated circuit design engineer who worked for Tektronix. Wilson devised this configuration in 1967 when he and Barrie Gilbert challenged each other to find an improved current mirror overnight that would use only three transistors. Wilson won the challenge.
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