| 摘要 |
A load sensing circuit detects an input load signal across a transformer based on changes in electric current conducted through a primary winding of the transformer. A triangle wave signal is provided to the primary winding of the transformer to induce a corresponding signal at a secondary winding of the transformer. The signal at the secondary winding varies as a function of the input load signal to effect corresponding changes in the electric current conducted through the primary winding. An output circuit provides an indication of the value of the load signal based on the current conducted through the primary winding.
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