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參數(shù)資料
| 型號(hào)： | TA2123AFG |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.006 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封裝： | 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件頁(yè)數(shù)： | 19/20頁(yè) |
| 文件大小： | 430K |
| 代理商： | TA2123AFG |
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TA2123AFG
2004-12-01
8
Blank skip mode
The AMS SW is also turned of when the MT SW is turned off. And the comparator input level is
determined by external resistors (R4, R6) and capacitors (C3, C4) from mixer amplifier output
level.
The transfer function is as follows.
VO / Vi = R3 / [R1R2 / (R1 + R2)] × {jωC4R6 / [1 + jω (C3R4 + C4R4 + C4R6) ω2C3C4
R4R6]}
Fig.2
AMS system
VREF OUT
MIX
+
COMP
C1 R1
C2 R2
PRE OUT
AMS
IN
AMS
MIX
R5
R3
R4
C3
C4
AMS
SW
AMS
DET
VREF OUT
R6
AMS
OUT
R7
VCC
Synchronizes with the MT SW
12
14
13
15
40
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