Analog Electronics with LabVIEW®

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P7.5. Amplifier Frequency Response

Procedure

In FreqRespNMOS.vi, the frequency of the with source voltage (sine-wave Chan1_out) is swept from 1 to 1000 Hz. Chan2_in should be disconnected to reduce the stray capacitance at the gate. In the Front Panel of the VI, set VDDbias and Vs at the values determined in the gain measurement with GainNMOS.vi.
Along with FreqRespNMOS.vi, open FG1Chan.vi to observe the output waveform. Verify that C_s is installed and run the VI to obtain a value for f_3dB.
Open, from the Diagram of FreqRespNMOS.vi, Frame ...

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