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NE570 Expander Output Biasing Calculator Excel Spreadsheet

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NE570 Expander Output Biasing Calculator Excel Spreadsheet

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Download: NE570 Expander Output Biasing Calculator Excel Spreadsheet

Description:

For best headroom in an expander circuit, the output of the NE570 should be biased up to 1/2 the supply voltage. This is accomplished by selecting external resistor R (which parallels internal resistor R4). The table below show the resultant bias for various choices of R; note that the supply voltage does not enter into the calculations.

NE570 Expander Output Biasing Calculator Excel Spreadsheet

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