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參數(shù)資料
| 型號(hào)： | TA2123AF |
| 廠商： | Toshiba Corporation |
| 英文描述： | 1.5V Stereo Headphone Amplifier |
| 中文描述： | 1.5V的立體聲耳機(jī)放大器 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大小： | 427K |
| 代理商： | TA2123AF |
TA2123AF
2002-10-30
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.
V
O
/ V
i
= R3 / [R1
R2 / (R1 + R2)] × {j
ω
C4
R6 / [1 + j
ω
(C3
R4 + C4
R4 + C4
R6)
R4
R6]}
ω
2
C3
C4
Fig.2
AMS system
V
REF OUT
V
REF OUT
MIX
+
COMP
C1 R1
C2 R2
PRE OUT
AMS
IN
AMS
MIX
R
R3
R4
CC4
AMS
SW
AMS
DET
R
V
REF OUT
AMS
OUT
R7
V
CC
Synchronizes with the MT SW
12
14
13
15
40
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