參數(shù)資料
型號: NE5517NG
廠商: ON SEMICONDUCTOR
元件分類: 運算放大器
英文描述: Dual Operational Transconductance Amplifier
中文描述: DUAL OP-AMP, 5000 uV OFFSET-MAX, 2 MHz BAND WIDTH, PDIP16
封裝: LEAD FREE, PLASTIC, DIP-16
文件頁數(shù): 9/14頁
文件大?。?/td> 194K
代理商: NE5517NG
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
相關(guān)PDF資料
PDF描述
NE5517ANG Dual Operational Transconductance Amplifier
NE5532AD8G Internally Compensated Dual Low Noise Operational Amplifier
NE5532AD8R2 Internally Compensated Dual Low Noise Operational Amplifier
NE5532AD8R2G Internally Compensated Dual Low Noise Operational Amplifier
NE5532ANG Internally Compensated Dual Low Noise Operational Amplifier
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