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  1. Stimulator/Isolator Comparison Chart
    April 30, 2013
    WPI offers a range of isolators and stimulators. Use the chart below to find the components that are compatible. Isolators  Features Input Output Compatible Stimulators DLS100
  2. Isolated Stimulation Explained
    April 26, 2013
    Isolated Stimulation and Stimulus Isolators The term stimulation refers to the delivery of energy of some kind to a biological tissue in order to elicit an observable response. Although the energy used in stimulation may be chemical, thermal, mechanical or electrical, this discussion will focus on electrical stimulation. Electrical stimulation of biological tissues involves the delivery of current and voltage to the stimulation site. The two quantities are related by Ohm's law: V=IR Where V is the applied voltage, I is the current and R is the electrical resistance of the tissue and or the stimulating electrodes. This simple equation shows that if voltage is constant, current flow will diminish if the tissue/electrode resistance goes up, and will increase if the resistance decreases. More commonly, the resistance of tissue differs from sample to sample, and
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