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1997 Aug 14 19
Philips Semiconductors Preliminary specification
2 × 23 W high efficiency car radio power
amplifier
TDA1561Q
Fig.19 THD + noise as a function of frequency.
handbook, halfpage
10
1
10
−1
10
−2
MBH700
10 10
2
10
3
10
4
f (Hz)
THD + N
(%)
10
5
(1)
(2)
(1) P
o
=10W.
(2) P
o
=1W.
Fig.20 Power bandwidth at THD = 1%.
handbook, halfpage
16
18
20
14
12
10
MBH701
10 10
2
10
3
10
4
f (Hz)
B
p
(W)
10
5
(1)
(2)
(1) For OUT2.
(2) For OUT1.
Fig.21 Gain as a function of frequency.
handbook, halfpage
32
34
36
30
28
26
MBH702
10 10
2
10
3
10
4
f (Hz)
G
v
(dB)
10
6
10
5
V
in
=50mV.
Fig.22 SVRR as a function of frequency.
handbook, halfpage
−120
−100
−80
−60
−40
−20
MBH703
10 10
2
10
3
10
4
f (Hz)
SVRR
(dB)
10
5
on
mute
off
V
ripple(p-p)
=2V.