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ML6420CS-7 Triple/Dual Phase-Equalized, Low-Pass Video Filter
型号:   ML6420CS-7
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描述:   Triple/Dual Phase-Equalized, Low-Pass Video Filter
文件大小 :   273 K    20 页
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品牌   MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
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September 1999
PRELIMINARY
ML6420*
Triple/Dual Phase-Equalized, Low-Pass Video Filter
GENERAL DESCRIPTION
The ML6420 monolithic BiCMOS 6th-order filters provide
fixed frequency low pass filtering for video applications.
These triple output phase-equalized filters are designed for
input anti-aliasing filtering.
Cut-off frequencies are either 3.0, 5.5, 8.0, or 9.3MHz.
Each channel incorporates a 6th-order low-pass filter, a
first order all-pass filter, and a 75W coax cable driver. A
control pin (Range) is provided to allow the inputs to
swing to ground by providing a 0.5V offset to
the input.
The filters are powered from a single 5V supply, and can
drive 1V
P-P
over 75W (0.5V to 1.5V), or 2V
P-P
over 150W
(0.5V to 2.5V).
FEATURES
s
s
s
s
s
s
3.0, 5.5, 8.0, or 9.3 MHz bandwidth
1X or 2X gain
6th-order filter with equalizer
>40dB stopband rejection
No external components or clocks
±10% maximum frequency accuracy over supply
and temperature
<2% differential gain, <2° differential phase
<25ns group delay variation
5V ±10% operation
ML6420 available with 6dB gain
Drives 1V
P-P
into 75
W
, or 2V
P-P
into 150
W
s
s
s
s
s
* Some Packages Are End Of Life
ML 6420 BLOCK DIAGRAM
V
CC
B
8
V
CC
C
6
V
CC
5
V
CC
A
11
V
IN
A 15
3k
BUF
LOW PASS
A
ALL PASS
A
1X/2X
BUF
3.33K
10 V
OUT
A
I
BIAS
1k
V
IN
B 16
3k
BUF
LOW PASS
B
ALL PASS
B
1X/2X
BUF
3.33K
9
V
OUT
B
I
BIAS
1k
LOW PASS
C
I
BIAS
RANGE 14
1k
12
GND
13
GNDA
4
GNDC
1
GNDB
3
GND
ALL PASS
C
V
IN
C 2
3k
BUF
1X/2X
BUF
3.33K
7
V
OUT
C
1X GAIN
ML6420-1
FILTER A
FILTER B
FILTER C
5.5MHZ
5.5MHZ
5.5MHZ
2X GAIN
ML6420-4
8.0MHZ
3.0MHZ
3.0MHZ
ML6420-3
8.0MHZ
8.0MHZ
8.0MHZ
ML6420-5
5.5MHZ
2.5MHZ
2.5MHZ
ML6420-7
9.3MHZ
9.3MHZ
9.3MHZ
Triple Input/Anti-aliasing Video Filter
1
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