3. The voltage vout was measured using an oscilloscope and the voltage gain AVG-D = vout/vin was calculated. The input voltage was adjusted if the output waveform was distorted.
4. The function generator was varied to obtain the necessary data to plot a frequency response curve for the voltage gain.
5. The input impedance ri was measured using the setup shown in the circuit diagram in Figure 8-6. The original input signal from the function generator (100mVp-p @ 1kHz) was used.
6. The value of vin was measured and an equation relating …show more content…
The PC was turned on.
8. The NI ELVIS unit was turned on but not the Prototyping Board switch
9. The NI ELVIS Prototyping Board switch was turned on.
10. The "SIGEX Rx_x.exe" Main VI was launched.
11. The number corresponding to the NI ELVIS was entered.
12. The Exp 9 tab on the SIGEx SFP was selected.
The Spectrum of the Impulse Train
1. The pulse generator was connected to the BASEBAND LPF per Figure 10-1.
2. The PULSE/CLK GENERATOR was set to 500 Hz and the DUTY CYCLE was set to 0.1 (10%). The time base was set to 40 ms and the rising edge trigger was connected to CH1. The trigger level was set to 1V and CH1 was connected to the input. CH0 was connected to the output of the BASEBAND LPF. Finally, the Y-scale was set to Linear mapping.
3. The pulse train was observed on the scope. The width and repetition interval was measured, and it was confirmed that these were the expected results for the settings on the PULSE GENERATOR selected.
4. The spectrum of this pulse train was observed. The spectrum analyzer was set for a linear frequency axis and linear scale for the vertical axis. The time base was varied, to provide a convenient balance between range and resolution in the frequency