參數資料
型號: TEF6892H/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: 27/59頁
文件大小: 329K
代理商: TEF6892H/V2,518
2003 Oct 21
33
Philips Semiconductors
Product specication
Car radio integrated signal processor
TEF6892H
Table 46 FM stereo channel separation and adjustment
11.2.7
SUBADDRESS 6H; MULTIPATH
Table 47 Format of data byte 6H with default setting
Table 48 Description of data byte 6H
Table 49 Setting of the time constants of the LEVEL detector
Table 50 Setting of the time constants of the MPH detector (level, WAM and USN)
CSA3
CSA2
CSA1
CSA0
FM STEREO CHANNEL SEPARATION AND
ADJUSTMENT (dB)
0000
0
0001
0.2
::::
:
1110
2.8
1111
3.0
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
USS1
USS0
WAS1
WAS0
LET1
LET0
MPT1
MPT0
01010000
BIT
SYMBOL
DESCRIPTION
7 and 6
USS[1:0]
USN sensitivity for weak signal processing. See Fig.5.
5 and 4
WAS[1:0]
WAM sensitivity for weak signal processing. See Fig.6.
3 and 2
LET[1:0]
LEVEL detector time constant. See Table 49.
1 and 0
MPT[1:0]
MPH detector time constants (level, WAM and USN). See Table 50.
LETF
LET1
LET0
tLEVEL (s)
ATTACK
DECAY
000
3
001
3
6
0
1
0
1.5
0
1
0.5
1.5
1
0
0.5
1
0
1
0.17
0.5
1
0
0.06
0.17
1
0.06
MPT1
MPT0
tMPH (s)
ATTACK
DECAY
0
0.5
12
0
1
0.5
24
1
0
0.5
6
1
0.25
6
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