參數(shù)資料
型號(hào): TEA6886
廠商: NXP Semiconductors N.V.
英文描述: Up-level Car radio Analog Signal Processor CASP
中文描述: 截至級(jí)車電臺(tái)模擬信號(hào)處理器支持核心計(jì)劃
文件頁(yè)數(shù): 5/92頁(yè)
文件大?。?/td> 376K
代理商: TEA6886
2000 Nov 21
5
Philips Semiconductors
Product specification
Up-level Car radio Analog Signal
Processor (CASP)
TEA6886HL
5
BLOCK DIAGRAM
handbook, full pagewidth
MHB818
50/75
s
DE-EMPHASIS
AND
AM STEREO INPUT
FM BUFFER
AND
FM NB-GATES
MATRIX
AND
SOFT-MUTE
V/I
CONVERTER
STEREO
DECODER
PLL
INPUT BUFFER
AND
80 kHz
LOW-PASS
STEREO
DECODER
OUTPUT
AVERAGE
DETECTOR
(USN1)
AVERAGE
DETECTOR
(WBAM1)
PEAK
DETECTOR
(USN2)
AVERAGE
DETECTOR
(MUTE/HCC)
AM
GATE
LEVEL
ADC
(6-BIT)
LEVEL
INPUT
BUFFER
20 kHz
BAND-PASS
AND
AMWB
DETECTOR
HCC
SNC
de-emphasis
I
2
C-BUS
AND
CONTROL LOGIC
I
2
C-bus
to NICE
I
2
C-bus
to NICE
from AM/FM
level detector
I
2
C-bus
detector hold
detector reset
test
NOISE
AND
INTERFERENCE
DETECTOR
FM
PULSE
FORMER
sensitivity
start/
slope
BUS
start/
slope
38 kHz
19 kHz
38 kHz
mute slope
mute start
bus controls
22 k
82 k
100 k
22 k
6
5
4
3
77
76
75
7
8
VDD(5 V)
4.7 nF
10 nF
4.7 nF
74
73
2.7 nF
2.7 nF
72
71
3.3 nF
70
69
65
64
63
59
58 57 56
55
54
53
52
66
67
10 nF
220 nF
68
10
μ
F
10 nF
3.3 nF
220
nF
33 pF
H
G
E
PEAK
DETECTOR
(WBAM2)
PEAK
DETECTOR
(SNC)
D
C
F
detector
detector
B
A
detector
test
sep.adj.
60 kHz
HIGH-PASS
AND
USN
DETECTOR
PULSE
SEPARATOR
120 kHz
HIGH-PASS
AMPLIFIER
sensitivity
pilot
ind.
MPX
RIN 182 k
470 k
nF
6.8 nF
100
nF
22
nF
6.8 nF
68 k
10
nF
100 nF
100
k
220 k
33 nF
AM
mono
input
from
NICE
(FMHOLD)
from
NICE
(AFSAMPLE)
fref
(75.4 kHz)
trigger sensitivity
TEA6886HL
AGC
SDAQ
TUSN1
TWBAM1
FMRBUF
FMLBUF
DEEMR
DEEML
FMNCAP
MPXIN
TSNC
MPXRDS
TMUTE
AMNBIN
AMHIN
FMHOLD
S
L
S
S
D
T
A
P
f
P
T
T
I
A
Fig.1 Block diagram (continued in Fig.2).
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