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Philips Semiconductors
2
23 W high efficiency car radio power
amplifier
ADDITIONAL APPLICATION INFORMATION
25
handbook, halfpage
P d
(W)
20
(1)
15
(2)
10
5
0
0
2
Input signal 1 kHz, sinusoidal; V
(1) For a conventional BTL amplifier.
(2) For TDA1561Q.
Fig.9 Dissipation; sine wave driven.
1997 Aug 14
MBH692
4
6
8
10
P o (W)
= 14.4 V.
P
2.2 F
430
3.3
input
k
25
handbook, halfpage
P d
(W)
20
15
10
5
0
0
(1) For a conventional BTL amplifier.
(2) For TDA1561Q.
Fig.10 Dissipation; pink noise through IEC-268
2.2 F
330
91
3.3
nF
k
Fig.11 IEC-268 filter.
16
Preliminary specification
(1)
(2)
2
4
6
filter.
470 nF
68
10
output
nF
k
MGC428
TDA1561Q
MBH693
8
10
P o (W)
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