demo_09 - 6.002 Demo# 09GS ( Load Set up demo#09GS.set)...

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6.002 Demo# 09GS ( Load Set up demo#09GS.set) MOSFET Inverting Amplifier Small signal Fall 00 Lectures 9 and 10 Purpose: This demo shows the amplification of small waveforms using a MOSFET, along with the limitations of such an amplifier. Using a biased sine wave as input, the output is seen as an inverted triangle wave. By increasing the amplitude or changing the bias, the output is shown to become distorted. This corresponds to amplifier operation outside the saturation region. Steps: 1. Show a small sine wave and the inverted and amplified output on the scope. 2. Increase the amplitude of the input until the output becomes distorted. (Alternatively, it is more instructive to show distorted output (since amp is nonlinear), and then reduce amplitude to show more or less linear behavior.) . Small input signal & ouput Large input signal & output Oscilloscope Setup CH V/DIV OFFSET MODE FUNC MATH VERTICAL HORIZONTAL 1 on 500 mV 1.382 DC off 2 on 1 4.130 DC off Horizontal: 200 uS Acquisition:
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This note was uploaded on 03/05/2010 for the course ACCT 322 taught by Professor Dilss during the Spring '10 term at École Normale Supérieure.

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demo_09 - 6.002 Demo# 09GS ( Load Set up demo#09GS.set)...

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