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university:courses:electronics:electronics-lab-eh [12 Apr 2017 12:53] – rename Antoniu Miclaus | university:courses:electronics:electronics-lab-eh [03 Nov 2021 20:35] (current) – [Activity: Energy Harvesting] Doug Mercer | ||
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- | ====== Activity: Energy Harvesting ====== | + | ======Activity: |
===== Objective: ===== | ===== Objective: ===== | ||
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The large but still finite 1 megaohm input resistance of the scope channel will load down the peak voltage generated by the transducer. Remove the connection to scope channel 1 and again rapidly flick the transducer. The DC voltage seen at the output should be significantly higher now. | The large but still finite 1 megaohm input resistance of the scope channel will load down the peak voltage generated by the transducer. Remove the connection to scope channel 1 and again rapidly flick the transducer. The DC voltage seen at the output should be significantly higher now. | ||
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<WRAP centeralign> | <WRAP centeralign> |