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參數(shù)資料
| 型號： | CLC5623IMX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Triple, High Output, Video Amplifier |
| 中文描述： | TRIPLE OP-AMP, 8000 uV OFFSET-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大?。?/td> | 182K |
| 代理商： | CLC5623IMX |
http://www.national.com
10
Single Supply Cable Driver
The typical application shown below shows one of the
CLC5623 amplifiers driving 10m of 75
coaxial cable.
The CLC5623 is set for a gain of +2V/V to compensate
for the divide-by-two voltage drop at V
o
.
Figure 12: Single Supply Cable Driver
Figure 13: Response After 10m of Cable
Single Supply Lowpass Filter
Figures 14 and 15 illustrate a lowpass filter and design
equations. The circuit operates from a single supply of
+5V. The voltage divider biases the non-inverting input to
2.5V. And the input is AC coupled to prevent the need for
level shifting the input signal at the source.
design equations to determine R
1
, R
2
, C
1
, and C
2
based
on the desired Q and corner frequency.
Use the
Figure 14: Lowpass Filter Topology
Figure 15: Design Equations
This example illustrates a lowpass filter with Q = 0.707
and corner frequency f
c
= 10MHz. A Q of 0.707 was
chosen to achieve a maximally flat, Butterworth
response. Figure 16 indicates the filter response.
Figure 16: Lowpass Response
Differential Line Driver With Load
Impedance Conversion
The circuit shown in the
Typical Application
schematic
on the front page and in Figure 17, operates as a
differential line driver. The transformer converts the load
impedance to a value that best matches the CLC5623’s
output capabilities. The single-ended input signal is
converted to a differential signal by the CLC5623. The
line’s characteristic impedance is matched at both the
input and the output. The schematic shows Unshielded
Twisted Pair for the transmission line; other types of lines
can also be driven.
M
Frequency (Hz)
3
0
-3
-6
-9
-12
-15
-18
-21
-24
-27
-30
1M
10M
100M
Gain
K
1
R
R
Corner frequency
1
R R C C
Q
1
R C
R C
R C
R C
(1 K)
R C
R C
For R
R
R and C
C
C
1
RC
Q
1
(3 K)
f
g
c
2
2
1
2
1
2
c
=
= +
=
=
=
+
+
=
=
=
=
=
=
ω
ω
+
-
R
f
1k
0.1
μ
F
C
1
V
o
V
in
R
g
0.1
μ
F
5k
11
0.1
μ
F
5k
R
1
158
5
6
+5V
0.1
μ
F
100
1.698k
R
2
158
C
2
100pF
1/3
CLC5623
4
7
1
20ns/div
V
in
= 10MHz, 0.5V
pp
+
-
CL1/3
1k
0.1
μ
F
6.8
μ
F
+
V
o
V
in
+5V
5
6
11
4
7
1k
5k
5k
0.1
μ
F
10m of 75
Coaxial Cable
75
0.1
μ
F
75
0.1
μ
F
Application Circuits
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CLC5623IN | Triple, High Output, Video Amplifier |
| CLC5623IM | Triple, High Output, Video Amplifier |
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| CLC5632IM | Dual, High Output, Programmable Gain Buffer |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CLC5623IN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CLC5623M WAF | 制造商:Texas Instruments 功能描述: |
| CLC5632 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual, High Output, Programmable Gain Buffer |
| CLC56321MX | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CLC5632IM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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