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I assume you mean a differential amplifier. A differential amplifier has two outputs, and two inputs. One input may be grounded out, so there is only one apparent input. When a signal is applied to the non grounded input, it is amplified at one output. The circuitry causes a negative ampification at the other output, so the two outputs taken together give double the output as opposed to using just one.
What else can I help you with?
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What is the difference between normal amplifier and magnetic amplifier?
normal amplifier is a mathametical operation analog the computer, magnetic amplifier is sound operation of the signal
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The amp for audio freq. is a AF amplifier. The RF amp is for radio freqs.
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mje b nae ata, jb pta chla bta dena
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