Philips Semiconductors
4 × 44 W into 4 Ω or 4 × 75 W into 2 Ω
quad BTL car radio power ampliï¬er
Preliminary speciï¬cation
TDA8591J
handboαokc, sh0alfpage
(dB)
− 20
MGW461
− 40
(1)
(2)
− 60
(3)
− 80
− 100
10
102
103
104
105
f (Hz)
Po = 1 W.
(1) Separation between channels 1 and 3.
(2) Separation between channels 1 and 4.
(3) Separation between channels 1 and 2.
Fig.16 Channel separation as a function of
frequency; channel 1 driven.
handboαokc, sh0alfpage
(dB)
− 20
MGW462
− 40
(1)
− 60
(2)
(3)
− 80
− 100
10
102
103
104
105
f (Hz)
Po = 1 W.
(1) Separation between channels 2 and 1.
(2) Separation between channels 2 and 3.
(3) Separation between channels 2 and 4.
Fig.17 Channel separation as a function of
frequency; channel 2 driven.
handboαokc, sh0alfpage
(dB)
− 20
MGW463
− 40
(1) (2)
(3)
− 60
− 80
− 100
10
102
103
104
105
f (Hz)
Po = 1 W.
(1) Separation between channels 3 and 1.
(2) Separation between channels 3 and 2.
(3) Separation between channels 3 and 4.
Fig.18 Channel separation as a function of
frequency; channel 3 driven.
2002 Jan 14
handboαokc, sh0alfpage
(dB)
− 20
MGW464
− 40
(1)
(2)
(3)
− 60
− 80
− 100
10
102
103
104
105
f (Hz)
Po = 1 W.
(1) Separation between channels 4 and 1.
(2) Separation between channels 4 and 2.
(3) Separation between channels 4 and 3.
Fig.19 Channel separation as a function of
frequency; channel 4 driven.
18