TDA2320A
Figure 14 : Second Order 2kHz Butterworth
Crossover Filter for Hi-Fi Active
Boxes
Figure 15 :Third Order 2.8kHz Bessel
Crossover Filter for Hi-Fi
Actives Boxes
+15V
100nF
0.22µF 10kΩ
12nF
10kΩ
5.6nF
6
8
1/2
TDA2320A
7 0.47µF
5
4
5kΩ
100nF
fc = 2kHz
-15V
5.6kΩ
10kΩ
2
1/2
1 0.1µF
TDA2320A
IN
5.6nF
5.6nF
3
5kΩ
22kΩ
5.6kΩ
TO
WOOFER
AMPLIFIER
TO
TWEETER
AMPLIFIER
+15V
100nF
C1 R1
0. 22µF 12kΩ
C2
4.7nF
R2
12kΩ
INPUT
fc = 2.8kHz
C6
4.7nF
C7
4.7nF
R5
12kΩ
C3
6.8nF
R3
12kΩ
C4
1.2nF
6
8
1/2
TDA2320A
C5
7 0.47µF
5
4
P1
5kΩ
100nF
-15V
R4
5.6kΩ
R6
8.2k Ω
C8
4.7nF
R7
47kΩ
2
1/2
TDA2320A
3
C9
1 0.1µF
5kΩ P2
R8
5.6kΩ
WOOFER
AMPLIFIER
TWEETER
AMPLIFIER
Figure 16 : Frequency Response
(circuit of figure 14)
Figure 17 : Frequency Response
(circuit of figure 15)
8/12