Environmental Engineering Reference
In-Depth Information
2.2 External Clocks
External clocks used for clocking switches are multi-phase and non-
overlapping, as shown in Fig.2.4, where denotes the period of the
clock and
K
denotes the number of phases in a clock period. Note that
and
2.3 Conventions
To avoid any ambiguity, the following conventions are adopted in this
topic.
If a switch changes its state at the time instant
we
shall use
to denote the time instant immediately
before
switching and
to denote the time instant immediately
after
switching.
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