Abstract—This paper presents a simple class AB buffer which
is suitable for low-voltage (1.5 V) applications. The proposed
buffer uses an adaptive load to reduce the sensitivity of the
quiescent current to the process variation. The main feature of
this scheme is its simplicity. The circuit was fabricated in a 2.0
m digital CMOS process. Experimental results demonstrate that
the buffer can operate with a supply voltage below 2 V, and it
has the capability to drive small resistive loads.
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发表于 2008-2-15 19:53:50
