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Analyzing Circuits Using Predefined Tests

158 bytes added, 21:08, 10 November 2016
/* DC Sensitivity Test */
{{Note | In order to view the node numbers in your circuit, check the "Show Node Numbers" option in the View Menu or use the keyboard shortcut "Ctrl+Alt+N".}}
 
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[[File:b2MAN_Fig50.png|thumb|left|250px|DC Sensitivity Test Settings.]]
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The results of a DC sensitivity test are displayed in a table window. The left column of the table lists the part parameters and the right columns shows the derivative of the output voltage with respect to the respective parameters. For example, consider the simple voltage divider circuit of Tutorial lesson No. 1, which consists of a 1V DC voltage source in series with a 1k resistor and another 2k resistor. The output voltage is designated as the voltage across the 2k resistor. The results of the DC sensitivity test for this circuit indicate that the output voltage is increased by 666.66mV for every 1-volt increase in the input source voltage, it is decreased by -1.111 mV for every 1 Ohm change in the first resistor's value, and it is increased by 555.55 microvolts for every 1 Ohm change in the second resistor's value. Note that these are all small-signal operating point results.
<table><tr><td> [[File:b2MAN_Fig231.png|thumb|200pxleft|300px|The output of a DC Sensitivity Test.]]</td></tr></table>
===Device Output Parameters Test===
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