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| 型號： | PT2254AS |
| 廠商： | Princeton Technology Corporation |
| 英文描述： | Electronic Volume Controller IC |
| 中文描述： | 電子音量控制IC |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 117K |
| 代理商： | PT2254AS |
Princeton Technology Corp.
Tel : 886-2-29162151
Fax : 886-2-29174598
URL:
http://www.princeton.com.tw
Electronic Volume Controller IC PT2254A
PT2254A v 2.4
Page 4
Revised August 1998
APPLICATION CIRCUIT 2
Dual Power Supply
(Only One Channel for Reference)
Vss
L-OUT1
L-IN1
A-GND
L-IN2
L-OUT2
ST
GND
Vcc
R-OUT1
R-IN1
A-GND
R-IN2
R-OUT2
DATA
CK
PT2254A
ST
OUTPUT
10 F
10 F
10 F
0.15uF
A-GND
INPUT
CK
DATA
10 F
51 K
LM 358
3
2
VDD +6V
Vss -6V
1
110 K
68 pF
8
4
+
+
Note: The OP and R,C components form a bandpass filter. Its f
L
(Low Frequency at –3dB
point) is about 20 Hz, f
H
(High Frequency at –3dB point) is about 22 KHz and the flat
gain (A
0
) is 3.15. Therefore, there is a limitation on the input voltage source: (i) The
amplitude should not be more than 1 Vrms, (ii) The bandwidth of input should be within
the range of 20 to 22 K; otherwise too much distortion will be generated.
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| PT2255 | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Electronic Volume Controller IC |
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| PT2255A-D | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Electronic Volume Controller IC |
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