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daqmaster
Site Admin
Joined: 27 Jun 2005
Posts: 385
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 Posted: Wed Sep 17, 2008 9:30 pm Post subject: Modulator/Demodulator Coupling (Noise Reduction) |
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Low-cost isolation amplifiers couple dc signals by modulating the signal, coupling its ac equivalent through a substrate capacitor connecting the stages, and then demodulating the signal to restore it to its original dc value.
Topic: Isolation and Noise Reduction |
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