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A Complete <strong>Design</strong> Example 329<br />

DB3 = 4.629 dB. (45)<br />

DB2=3.849. (44)<br />

DB1=36.40. (43)<br />

IIQL=66.00. (42)<br />

QL4 =2.129. (41)<br />

2. 1,=2>2, I K =3, a=1. (51)<br />

m=6(4+2-2)=24 dB/octave. (50)<br />

L K = 82.39 dB. (49)<br />

DB5= 1.779+ 14.64= 16.43. (48)<br />

DB4 = 9.54. (See comment in Section 8.6.12.) (47)<br />

DB3= -9.54. (45)<br />

DB2 = 34.08. (44)<br />

DBI = 37.89. (43)<br />

IIQL = 78.42. (42)<br />

QL4=2.223. (41)<br />

8.6.5. Q Effects<br />

QL4 = max(2.129, 2.223) = 2.223;<br />

also, 5.155> 2.223 .'. QL4 = 2.223.<br />

(52)<br />

QLJ = 1.206,<br />

Qu=4.055, Qu=7.216, QL4=2.223.<br />

(3)<br />

QLJ = 6.029E - 3,<br />

Q u = 0.0203,<br />

Qu = 0.0361,<br />

Q L4 =0.0 Ill.<br />

(53)<br />

Lo'"0.323 dB.<br />

(54)<br />

8.6.6. <strong>Design</strong> Limitations<br />

?<br />

L o =0.323

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