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university:courses:electronics:electronics-lab-pulse-width-modulation [26 Oct 2018 12:43] – [Further Reading] add Fritzing files Antoniu Miclaus | university:courses:electronics:electronics-lab-pulse-width-modulation [03 Jan 2021 22:21] – fix links Robin Getz | ||
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Consider the circuit in Figure 1. | Consider the circuit in Figure 1. | ||
- | <WRAP centeralign> | + | <WRAP centeralign> |
<WRAP centeralign> | <WRAP centeralign> | ||
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==== Procedure ==== | ==== Procedure ==== | ||
- | Use the first waveform generator as the carrier signal providing a 4V amplitude, 2.5V offset, 1 kHz triangle wave excitation to the circuit. Use the second waveform generator as the modulation signal with 3V amplitude, 2.5V offset, 50Hz sine wave. | + | Use the first waveform generator as the carrier signal providing a 4V amplitude |
Supply the op amp with +5V from the power supply. Configure the scope so that the input signal is displayed on channel 1 and the output signal is displayed on channel 2 . | Supply the op amp with +5V from the power supply. Configure the scope so that the input signal is displayed on channel 1 and the output signal is displayed on channel 2 . | ||
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Consider the circuit in Figure 5. | Consider the circuit in Figure 5. | ||
- | <WRAP centeralign> | + | <WRAP centeralign> |
<WRAP centeralign> | <WRAP centeralign> | ||
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==== Procedure ==== | ==== Procedure ==== | ||
- | Use the first waveform generator as source Vin to provide a 5V amplitude, 1 kHz triangle wave excitation to the circuit. Use the second waveform generator as constant voltage source with 5V amplitude. | + | Use the first waveform generator as source Vin to provide a 5V amplitude |
Supply the op amp to +5V from the power supply. Configure the scope so that the input signal is displayed on channel 1 and the output signal is displayed on channel 2. | Supply the op amp to +5V from the power supply. Configure the scope so that the input signal is displayed on channel 1 and the output signal is displayed on channel 2. | ||
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Consider the circuit in Figure 8. | Consider the circuit in Figure 8. | ||
- | <WRAP centeralign> | + | <WRAP centeralign> |
<WRAP centeralign> | <WRAP centeralign> | ||
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Consider the circuit presented in Figure 11. | Consider the circuit presented in Figure 11. | ||
- | <WRAP centeralign> | + | <WRAP centeralign> |
<WRAP centeralign> | <WRAP centeralign> | ||
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Build the above discussed circuits using AD8561 from the Parts Kit and discuss any noticeable changes of the circuit behavior and the input/ | Build the above discussed circuits using AD8561 from the Parts Kit and discuss any noticeable changes of the circuit behavior and the input/ | ||
+ | <WRAP round download> | ||
**Lab Resources: | **Lab Resources: | ||
- | * Fritzing files: [[ https://minhaskamal.github.io/DownGit/#/home? | + | * Fritzing files: [[downgit> |
+ | * LTspice files: [[downgit> | ||
+ | </ | ||
===== Further Reading ===== | ===== Further Reading ===== | ||
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* [[https:// | * [[https:// | ||
* [[university: | * [[university: | ||
- | * [[http:// | + | * [[adi>en/ |
**Return to Lab Activity [[university: | **Return to Lab Activity [[university: | ||