TEA6845AH Просмотр технического описания (PDF) - Philips Electronics
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TEA6845AH Datasheet PDF : 48 Pages
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Philips Semiconductors
New In Car Entertainment (NICE) car radio
Product specification
TEA6845AH; TEA6845H
6
handbook, Vfullel pvaeglewidth
(V)
5
MHB484
4
(1)
3
(2)
2
(3)
1
0
10 −3
10 −2
10 −1
1
10
10 2
10 3
Vi (mV)
(1) Level DAA setting byte 6 = FFH.
(2) Level DAA setting byte 6 = 84H (standard setting).
(3) Level DAA setting byte 6 = 00H.
Vi = VAMIF2IN − VAMIF2DEC
Fig.3 AM level output voltage (DAA) as a function of AM level circuit input voltage.
handbook, full pagewidth
Trep
VP
TEA6845AH
TEA6845H
test signal
16 17
13
50 Ω 4.7 nF
VP 100 Ω
100 Ω
4V
8.5 V
58
59
61
1 kΩ
64
1 kΩ
63
Test signal: Trep = 2 ms, tr < 50 ns, tf < 50 ns, and duty factor 50%.
Fig.4 Test circuit for AM noise blanker.
2001 Apr 12
25
Vlevel
3V
8.5 V
oscilloscope,
counter
MHB876
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