參數(shù)資料
型號: TEF6890H/V2,557
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù): 30/55頁
文件大?。?/td> 315K
代理商: TEF6890H/V2,557
2003 Oct 21
36
Philips Semiconductors
Product specication
Car radio integrated signal processor
TEF6890H
Table 37 Input gain
Table 38 Noise blanker sensitivity
ING1
ING0
GAIN FOR
FMMPX INPUT
(dB)
GAIN FOR AM
AND MPXRDS
INPUT (dB)
00
0
01
3
10
6
1
23.5
0
NBS1
NBS0
SENSITIVITY
OF FM NOISE
BLANKER AT
MPXRDS INPUT
(mV)
SENSITIVITY
OF AM NOISE
BLANKER (%)
0
90
110
0
1
150
140
1
0
210
175
1
270
220
Fig.15 De-emphasis gain Gde-em as a function of audio frequency faudio.
(1)
τde-em =50 s.
(2)
τde-em =75 s.
handbook, full pagewidth
24
20
16
12
8
4
22
18
14
10
6
2
6
4
2
0
MHC342
10
(1)
(2)
Gde-em
(dB)
faudio (Hz)
102
103
104
105
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