參數(shù)資料
型號: TEF6890H/V2,518
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): 26/55頁
文件大小: 315K
代理商: TEF6890H/V2,518
2003 Oct 21
32
Philips Semiconductors
Product specication
Car radio integrated signal processor
TEF6890H
11.2.6
SUBADDRESS 8H; HIGHCUT
Table 30 Format of data byte 8H with default setting
Table 31 Description of data byte 8H
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
HST2
HST1
HST0
HSL1
HSL0
HCF2
HCF1
HCF0
01101111
BIT
SYMBOL
DESCRIPTION
7 to 5
HST[2:0]
High cut control start (weak signal processing). See Fig.9.
4 and 3
HSL[1:0]
High cut control slope (weak signal processing). See Fig.10.
2 to 0
HCF[2:0]
Fixed high cut control (maximum HCC bandwidth). See Table 32 and Fig.11.
handbook, full pagewidth
MHC336
0
0.5
Veq (V)
12
1.5
α
HCC
(dB)
2.5
3
3.5
0
12
15
9
6
3
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Fig.9 High cut control attenuation
αHCC as a function of equivalent level voltage Veq (start).
(5) HST[2:0] = 100 = 2.5 V.
(6) HST[2:0] = 101 = 3 V.
(7) HST[2:0] = 110 = 3.5 V.
(8) HST[2:0] = 111 = 4 V.
HCF[2:0] = 111, HCSF = 0,
HSL[1:0] = 10 and faudio =10kHz
(1) HST[2:0] = 000 = 1.5 V.
(2) HST[2:0] = 001 = 1.75 V.
(3) HST[2:0] = 010 = 2 V.
(4) HST[2:0] = 011 = 2.25 V.
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