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Demystifying Switched Capacitor Circuits
book

Demystifying Switched Capacitor Circuits

by Mingliang (Michael) Liu
June 2006
Intermediate to advanced content levelIntermediate to advanced
336 pages
10h 24m
English
Newnes
Content preview from Demystifying Switched Capacitor Circuits
Demystifying Switched-Capacitor Circuits
178
this circuit makes use of two comparators in addition to two logic gates (XOR and
NOR) to realize the subconverters. In this confi guration, when Φ
2
= 1, C
s
may be
connected to one of three potentials: +V
ref
, V
ref
, and ground, depending on the
comparator’s output. Similar to the preceding analysis of the 1-bit pipelined stage, we
can fi nd the ideal input/output relationship of the 1.5-bit pipelined stage as follows:
V
VVifV V
Vif V
out
in ref in ref
in r
=
−>
2025
2025
,.
,.
eef in ref
in ref in ref
VV
VVifV V
<<
+<−
025
2025
.
,.

(5.54)
Here, we also assume that the capacitance of C
s
is equal to that of C
f
. As ...
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Publisher Resources

ISBN: 9780750679077