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參數(shù)資料
| 型號： | ML6425 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | CCIR601 Video Lowpass Filter with Optional Sinx/x Correction(可選Sinx/x校正器的CCIR601視頻低通濾波器) |
| 中文描述： | CCIR601視頻低通濾波器的任擇氮化硅/ x校正（可選氮化硅/ x校正器的CCIR601視頻低通濾波器） |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 185K |
| 代理商： | ML6425 |
September 1999
PRELIMINARY
ML6424/6425
CCIR601 Video Lowpass Filter
with Optional Sinx/x Correction
1
GENERAL DESCRIPTION
The ML6424 is a monolithic BiCMOS Video Lowpass
Filter IC, incorporating a 5th order Elliptic (Cauer)
lowpass filter, a third order allpass filter, and a 75
W
coax
cable driver. The ML6425 additionally provides sinx/x
amplitude correction. These active lowpass filters are
available with a 2.75MHz (-2) or a 5.50MHz (-1) cutoff
frequency.
The input signal can be either AC or DC coupled under
the control of the MODE pin. In the DC coupled case, a
control pin (RANGE) is provided to allow the inputs to
swing down to ground. Internal self clamping is provided
for AC coupled signals.
The ML6424 and ML6425 are powered by a single 5V
supply, and can drive 1V
PP
into 75
W
(0.5V to 1.5V), or
2V
PP
into 150
W
(0.5 to 2.5V). The maximum output swing
from 0.5V to 2.5V allows easy interface to the ML6400
family of A/D converters.
BLOCK DIAGRAM
FEATURES
I
External or internal input clamping with pulse output
for synchronous clamping of multiple filters
I
Frequency tunable with R
EXT
: ±10%
I
±0.25dB ripple
I
>40dB attenuation at f > 1.45 x f
C
(w/o sinx/x)
I
>35dB attenuation at f > 1.45 x f
C
(with sinx/x)
I
–12dB attenuation at f = 1.23 x f
C
I
Group delay distortion: ±20ns up to 0.9 x f
C
I
<1% peak overshoot and ringing on 2T test pulse
I
0.5% diff. gain and 0.5o diff. phase typical
I
THD <1% at 3.58 or 4.43MHz
I
Programmable input-output gain of 1x or 2x
I
5V ±5% operation
ML6424-1
5.50MHz
No
ML6424-2
2.75MHz
No
ML6425-1
5.50MHz
Yes
ML6425-2
2.75MHz
Yes
Bandwidth
Sinx/x
+5V
V
CC
V
CC
V
CC
V
CC
GAIN
13
V
OUT
M
V
OUT
P
R
EXT
10k
1%
GND
GND
GND
V
IN
M
V
IN
P
MODE
PULSE
I/O
15
16
7
6
8
5
11
3
1
9
10
14
2
12
4
+
–
+
–
5TH ORDER
LOW PASS
INPUT
CLAMP
PULSE
CONTROL
3RD ORDER
ALL PASS
FILTER BIAS
RANGE
BUF
BUF
SINX/X
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ML-6425 | 制造商:CPI 制造商全稱:CPI 功能描述:AM broadcast and industrial heating appli-cations |
| ML6425-1 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:CCIR601 Video Lowpass Filter with Optional Sinx/x Correction |
| ML6425-2 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:CCIR601 Video Lowpass Filter with Optional Sinx/x Correction |
| ML6426 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:High Bandwidth Triple Video Filters with Buffered Outputs for RGB or YUV |
| ML-6426 | 制造商:CPI 制造商全稱:CPI 功能描述:AM broadcast and industrial heating applications |
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