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Analog Electronics
book

Analog Electronics

by Ian Hickman
October 2013
Intermediate to advanced content levelIntermediate to advanced
342 pages
16h 43m
English
Newnes
Content preview from Analog Electronics
Audio-frequency signals and reproduction 107
0.22μΡ
+12 V C3
Ο.ΟΟΙμΡ
0.0015μΡ
10 100
Frequency (Hz)
(b)
Figure
4.17 Equalization.
(a) The reactive elements in the feedback circuit cause the gain to fall (feedback increasing) with increasing frequency.
(b) Approximate response.
(a)
Ν
03
03
•log/
(b)
A.
-log/
Figure 4.18
10 8
Analog Electronics
ζ:
(Ν
O
>
Threshold of feeling Loudness level (phons)
120
100
80
60
40
20
0
Threshold of hearing
I 1 1
I I
111 J I I I I I 11
20 100 500 1000 5000 10000
Frequency in hertz
(a)
Input audio signal
40%
ta
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Publisher Resources

ISBN: 9781483162287