HOMEWORK PROBLEMS
SPRING
10
RAY’S READING SUGGESTIONS FOR BROADENING YOUR EDUCATIONAL FOUNDATION
QUOTE
:
Let each person pass their days in that wherein the skill is greatest.
–Sextus Propertius
ON HISTORY
His Excellency:
George Washington
by Joseph J. Ellis
(George was a vain man, but believed that
people and nations do things that are in their best interest and are true to treaties and the like, only in so
far as it is in the best interest of both groups.)
Bound to Canaan
by
Fergus Bordewich (An excellent rendition of the origins of the underground
railroad and the people who used it and the heros and heroines who became its conductors.)
ON PHILOSOPHY
Nonviolence: 25 Lessons from the History of a Dangerous Idea
by Mark Kurlansky
(Did you know that
no language in the world has a word for “nonviolence” that is not a negation of violence?)
Plato and a Platypus Walk into a Bar:
Understanding Philosophy through Jokes
by
Thomas Cathcart
and Daniel Klein.
(Great!)
On Bullshit
by Harry G. Frankfurt (Professor of Philosophy Emeritus at Princeton University)—
(Someone who tells a lie knows the truth and deliberately ignores it.
BS is so insidious because it
marginalizes, makes irrelevant both the truth and the lie—making no distinction.)
A very short book
since there is no …. in it.
DUE TUESDAY APRIL 6
(THIS IS AN EXTENDED DEADLINE—THE ORIGINAL DEADLINE WAS
MONDAY APRIL 5)
5758.
Work in MATLAB to the extent possible.
A HP filter has specs Amax = 1.5 dB, Amin = 32 dB,
fs = 1000 Hz, and fp = 4000 Hz.
The minimum Butterworth filter order is 3.
(a)
Determine the equivalent NLP specs,
(1,
A
max
) (
!
p
,
A
min
)
.
(b)
Verify that n = 3 is the minimum order of a LP Butterworth filter given the specs of (a).
(c)
Compute the 3
rd
order 3dB NLP Butterworth transfer function and write it as the product of
two transfer functions, one of which has a second order denominator and the other a first order
denominator, i.e.,
H
3
dBNLP
(
s
)
=
H
2
ndOrder
(
s
)
H
1
storder
(
s
)
.
(d)
Compute the NLP transfer function by frequency scaling using
K
f
1
=
!
c
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 Spring '06
 Operational Amplifier, H NHP, frequency magnitude response

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