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8/18/2019 Analog Integrated Circuits -Tony Chou Carousel - ch14 solutions
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Analog Integrated Circuit Design
2nd
Edition
Chapter 14 Solutions
Compiled by:
Tony Chan Carusone
Solutions contributed by:
Tony Chan Carusone
Yunzhi (Rocky) Dong
Ali Sheikholeslami & Khoman Phang (1st ed. Solutions)
8/18/2019 Analog Integrated Circuits -Tony Chou Carousel - ch14 solutions
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Q 14.1)
Q 14.2)
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Q 14.3)
Q 14.4)
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Q 14.5)
Q 14.6)
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Q 14.7)
Q 14.8)
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Q 14.9)
Q 14.10)
Q 14.11)
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Q 14.12)
Q 14.13)
(14.37)
(14.37).
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Q 14.14)
Q 14.15)
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Q 14.16)
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Q 14.17)
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Q 14.18)
Q 14.19)
Advanced phases are indicated by checkmarks in the solution for Q 14.15.
(14.55) – (14.59)
(14.73) – (14.77)
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Q 14.20)
Following the method of Example 14.6 and combining equations (14.88-14.90), the output
offset is given by:
To minimize charge injections we take L = Lmin = 0.18m. We can then solve for the device
width W required to maintain a certain de offset:
Rounding to w=8m, we can find the resulting switch on resistance:
The settling time of C2 is given by 5 RC time constants of:
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Q 14.21)
For a settling time of 40ns, we require the switch on resistance to satisfy:
The switch effective gate-source voltage is:
To minimize charge injection, take L = Lmin = 0.18m. We can then solve for the device width:
By combining equations (14.88 – 14.90), we can calculate the dc offset:
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Q 14.22)
Q 14.23)
Reset ()
()⁄
⁄
()⁄
Valid output ()
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Q 14.24)
Fig. 14.37:
Fig. 14.38:
Q 14.25)
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