| http://www.w3.org/ns/prov#value | - Finally, because the impedance 408 shown in each of FIGS. 11 through 14 decouples the amplifier stages from their shared bias current for AC purposes, two or more stages--that is, N stages, where N is an integer greater than or equal to two--may be stacked in totem-pole fashion between first reference potential 388 and the second reference potential 398, so long as the bias current connection betw
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