Single-Cell Circuits
This chapter is devoted to solving the problems involved with micropower circuits operating from a single-cell battery. The circuits here can be used immediately the way they are or, by altering component values, as a basis for simplified design of similar circuits. We start with a summary of the most obvious problems.
4.1 Single-Cell Design Limitations
In the past, one of the major problems with single-cell operation was the lack of components (particularly ICs) that could be operated from 1.5 V (or less). However, because of the increased use of battery-operated devices (laptop and palmtop computers, etc.), many IC manufacturers now include some devices designed specifically for use with a single cell.
Even ...
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