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參數(shù)資料
| 型號： | MSA180 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Piezo Speaker Amplifier |
| 中文描述： | 壓電揚聲器放大器 |
| 文件頁數(shù)： | 5/17頁 |
| 文件大?。?/td> | 147K |
| 代理商： | MSA180 |
5/16
MSA180
Semiconductor
APPLICATION CIRCUITS
How to Adjust Gain
Gain control adjustment of the input signal level is shown below. When using OKI's speech
synthesizer devices, insert a diode in series with the variable resistor to reduce pop noise.
The circuit below also implements gain adjustment for a higher impedance signal source.
Signal
R1
100 k
W
C1
0.1
m
F
A
IN
MSA180
V
DD
BASE
MODE2
V
CC
SP
SP
GND
MODE1
PIEZO SPEAKER
Signal
R1
20 k
W
C1
0.1
m
F
A
IN
MSA180
V
DD
BASE
MODE2
V
CC
SP
SP
GND
MODE1
PIEZO SPEAKER
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