International Rectifier IRAUDAMP4, Руководство пользователя, Страница: 22 / 44

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RD-0617
Typical Performance
±B supply = ± 35 V, load impedance = 4 Ω , 1 kHz audio signal,
Self oscillator @ 400 kHz and internal volume-control set to give required output with
1 Vrms input signal, unless otherwise noted.
Green CH1 - 4 Ω , 2 V Output
Red CH1 - 8 Ω , 2 V Output
Figure 18. Frequency Characteristics vs. Load Impedance
Red CH2 – CH1, 60 W, Self Oscillator @ 400 kHz
Green CH2 – CH1, 60 W, Internal Clock @ 300 kHz
Figure 19. Channel Separation vs. Frequency
Hz
-120
+0
-100
-80
-60
-40
-20
d
B
20 20k 50 100 200 500 1k 2k 5k 10k
Self
Int.
Hz
4
Ω
8
Ω
-10
+4
-8
-6
-4
-2
+0
+2
d
B
r
A
20 200k 50 100 200 500 1k 2k 5k 10k 20k 50k