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university:courses:electronics:electronics-lab-envelope-detector [03 Jan 2021 22:21] Robin Getz fix links |
university:courses:electronics:electronics-lab-envelope-detector [10 Mar 2021 17:35] Cristina Suteu updated math equation to work with Scopy's (v1.2.0) signal generator |
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| * ω<sub>m</sub> = 100Hz | * ω<sub>m</sub> = 100Hz | ||
| * A = 3 | * A = 3 | ||
| - | To generate the AM signal use the math function from the Scopy signal generator. Set the main frequency to 100Hz and apply the following function: //(1+0.5*cos(t))*3*cos(100*t)//. The generated waveform is presented in Figure 3. | + | To generate the AM signal use the math function from the Scopy signal generator. Set the record length to 20ms, the sample rate to 75MSPS and apply the following function: //(1+0.5*cos(2*pi*100*t))*3*cos(2*pi*100*100*t)//. The generated waveform is presented in Figure 3. |
| <WRAP centeralign>{{:university:courses:electronics:env_detector-wgen.png|}}</WRAP> | <WRAP centeralign>{{:university:courses:electronics:env_detector-wgen.png|}}</WRAP> | ||
| Line 136: | Line 136: | ||
| * ω<sub>m</sub> = 100Hz | * ω<sub>m</sub> = 100Hz | ||
| * A = 3 | * A = 3 | ||
| - | To generate the AM signal use the math function from the Scopy signal generator. Set the main frequency to 100Hz and apply the following function: //(1+0.5*cos(t))*3*cos(100*t)//. The generated waveform is presented in Figure 11. (with 5 displayed periods) | + | To generate the AM signal use the math function from the Scopy signal generator. Set the record length to 50ms and apply the following function: //(1+0.5*cos(2*pi*100*t))*3*cos(2*pi*100*100*t)//. The generated waveform is presented in Figure 11. (with 5 displayed periods) |
| <WRAP centeralign>{{:university:courses:electronics:ext_env_detector-wgen.png|}}</WRAP> | <WRAP centeralign>{{:university:courses:electronics:ext_env_detector-wgen.png|}}</WRAP> | ||
university/courses/electronics/electronics-lab-envelope-detector.txt · Last modified: 10 Mar 2021 17:35 by Cristina Suteu