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参数资料
| 型号： | AU5517 |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 运动控制电子 |
| 英文描述： | Dual Operational Transconductance Amplifier(双运算跨导放大器) |
| 中文描述： | 双路运算跨导放大器（双运算跨导放大器） |
| 文件页数： | 9/14页 |
| 文件大小： | 186K |
| 代理商： | AU5517 |
NE5517, NE5517A, AU5517
http://onsemi.com
9
Stereo Amplifier With Gain Control
Figure 24 shows a stereo amplifier with variable gain via
a control input. Excellent tracking of typical 0.3 dB is easy
to achieve. With the potentiometer, R
P
, the offset can be
adjusted. For AC-coupled amplifiers, the potentiometer
may be replaced with two 510 resistors.
Modulators
Because the transconductance of an OTA (Operational
Transconductance Amplifier) is directly proportional to I
ABC
,
the amplification of a signal can be controlled easily. The
output current is the product from transconductance
×
input
voltage. The circuit is effective up to approximately 200 kHz.
Modulation of 99% is easy to achieve.
4
3
+
NE5517/A
11
+V
CC
8
V
OUT1
V
CC
13
6
14
+
NE5517/A
9
V
C
R
S
V
OUT2
V
CC
INT
V
IN1
V
IN2
R
IN
R
IN
R
P
+V
CC
R
D
1
16
12
R
L
10k
+V
CC
INT
+V
CC
R
L
10k
10
I
ABC
I
ABC
15
R
P
+V
CC
R
D
1k
R
C
10k
1k
Figure 24. Gain-Controlled Stereo Amplifier
10k
30k
15k
15k
5.1k
V
CC
4
6
3
+
NE5517/A
8
R
S
V
OUT
V
CC
INT
V
IN1
CARRIER
1
11
+V
CC
R
L
10k
5
I
D
2
R
C
30k
V
IN2
SIGNAL
I
ABC
7
INT
+V
CC
V
OS
Figure 25. Amplitude Modulator
15k
1k
10k
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AU5517D | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Dual operational transconductance amplifier |
| AU5517DR2 | 功能描述:跨导放大器 Transconductance RoHS:否 制造商:Texas Instruments 通道数量:1 封装 / 箱体:SOIC-14 带宽: 输入补偿电压:40 mV at +/- 5 V 电源电压-最大:+/- 5 V 电源电流: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| AU5517DR2G | 功能描述:跨导放大器 TWO CURRENT- CONTROLLED TR RoHS:否 制造商:Texas Instruments 通道数量:1 封装 / 箱体:SOIC-14 带宽: 输入补偿电压:40 mV at +/- 5 V 电源电压-最大:+/- 5 V 电源电流: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| AU5544-WH | 制造商:Pass & Seymour/Legrand 功能描述:LYRIQ STUDIO MLT-SRC 4-Z KIT |
| AU5780 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:SAE/J1850/VPW transceiver |
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