Inphase Parallel Subtraction Circuit

Published:2011/7/11 1:56:00 Author:Joyce | Keyword: Inphase , Parallel , Subtraction | From:SeekIC

As shown in the figure is an inphase parallel subtraction circuit. The relationship between input and output is shown as follows: The most obvious characteristic of the circuit is that it has a high input resistance. When the value of Rf1, Rf2 is not 0, changing the value of Rw can adjust the gain quite easily (but it is nonlinear). The external circuit does not need matched resistance. Its defect is that Vo is floating output, which would be inconvenient in some circumstances. Typical values of the main parameters of LF353:



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