參數(shù)資料
型號: TDA7340G
廠商: 意法半導體
英文描述: AUDIO SIGNAL PROCESSOR
中文描述: 音頻信號處理器
文件頁數(shù): 18/27頁
文件大?。?/td> 205K
代理商: TDA7340G
80KHz LP
SIGNAL PATH
ATC
AUTOMATIC
THRESHOLD
CONTROL
PEAK+VTH
RECT-PEAK
BUF
PEAK
AMP
RECT
-
+
PEAK COMP
REF.
BLANK COMP
-
2
4
5
I2C-BUS
ADDITIONAL THRESHOLD
CONTROL
(ATC-SB, MPX_RECT)
40
μ
s
LEFT
RIGHT
to OUTPUTS
MPX IN
VR
VSB
C
PEAK
47nF
R
PEAK
82K
C
BLANK
330pF
D95AU330
+
140KHz HP
120KHz HP
LEVEL
Figure 4:
Block Diagram of the Noise Blanker
65mV
30mV
8 STEPS
NOISE
ADJUSTED
TRIG. THRESHOLD
MIN. TRIG. THRESHOLD
260mV(01)
220mV(10)
180mV(11)
140mV(00)
0.9V
VTH
1.5V
VPEAK(V)
D95AU331
Figure 5:
Trigger Thresholdvs. V
peak
TDA7340G
18/27
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