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參數(shù)資料
| 型號： | ML6421 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Triple Phase and Sinx/x Equalized, Low-Pass Video Filter(三相和Sinx/x相均衡的視頻低通濾波器) |
| 中文描述： | 三階段和氮化硅/ x均衡，低通視頻濾波器（三相和氮化硅/ x相均衡的視頻低通濾波器） |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 239K |
| 代理商： | ML6421 |
April 1997
PRELIMINARY
ML6421
Triple Phase and Sinx/x Equalized,
Low-Pass Video Filter
1
BLOCK DIAGRAM
Triple Input/Anti-aliasing Video Filter
15
5
6
4
BUF
1X/2X
BUF
LOW PASS
FILTER A
V
IN
A
10 V
OUT
A
3k
1k
3.33k
16
1
BUF
LOW PASS
FILTER B
V
IN
B
9
3
V
OUT
B
3.33k
2
14
BUF
LOW PASS
FILTER C
V
IN
C
7
V
OUT
C
3.33k
V
CC
C
8
V
CC
B
V
CC
11
V
CC
A
GNDC
13
GNDA
12
GND
GND
RANGE
GNDB
I
BIAS
I
BIAS
I
BIAS
3k
1k
3k
1k
SINX/X
EQUALIZER
SINX/X
EQUALIZER
SINX/X
EQUALIZER
ALL
PASS
FILTER
ALL
PASS
FILTER
ALL
PASS
FILTER
1X/2X
BUF
1X/2X
BUF
GENERAL DESCRIPTION
The ML6421 monolithic BiCMOS 6th-order filter provides
fixed frequency low pass filtering for video applications.
This triple phase-equalized filter with Sinx/x correction is
designed for reconstruction filtering at the output of a
Video DAC.
Cut-off frequencies are either 5.5, 8.0, 3.0 or 1.8MHz.
Each channel incorporates a 6th-order lowpass filter, a first
order all-pass filter, a gain boost circuit, and a 75y coax
cable driver. A control pin (RANGE) is provided to allow
the inputs to swing from 0 to 1V, or 0.5 to 1.5V, by
providing a 0.5V offset to the input.
The unity gain filters are powered from a single 5V supply,
and can drive 1V
P-P
over 75y (0.5V to 1.5V), or 2V
P-P
over 150y (0.5V to 2.5V) with the internal coax drivers.
FEATURES
I
5.5, 8.0, 9.3, 3.0, 1.8 or 2.5MHz bandwidth
I
1x or 2x gain
I
6th-order filter with phase and amplitude equalizer
I
>40dB stopband rejection
I
No external components or clocks
I
±10% frequency accuracy over maximum supply
and temperature variation
I
<2% differential gain <2° differential phase
I
<25ns group delay variation
I
Drives 1V
P-P
into 75
W
, or 2V
P-P
into 150
W
I
5V ±10% operation
1x GAIN
2x GAIN
ML6201-1
5.5MHz
5.5MHz
5.5MHz
ML6421-2
5.5MH
1.8MH
1.8MH
ML6421-3
8.0MHz
8.0MHz
8.0MHz
ML6421-4
8.0MHz
3.0MHz
3.0MHz
ML6421-5
5.5MHz
5.5MHz
5.5MHz
ML6421-6
5.5MH
2.5MH
2.5MH
ML6421-7
9.3MHz
9.3MHz
9.3MHz
ML6421-8
9.3MHz
3.3MHz
3.3MHz
Filter A
Filter B
Filter C
相關PDF資料 |
PDF描述 |
|---|---|
| ML6423 | Dual S-Video Lowpass Filter with Phase and Sinx/x Equalization(相和Sinx/x相均衡的雙S-視頻低通濾波器) |
| ML6424 | 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) |
| ML6425 | 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) |
| ML6427 | 75W Quad Video Cable Drivers and Filters with Switchable Inputs |
| ML6427CS | 75W Quad Video Cable Drivers and Filters with Switchable Inputs |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML6421CS-1 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Triple Phase and Sinx/x Equalized, Low-Pass Video Filter |
| ML6421CS1 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| ML6421CS2 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| ML6421CS-3 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Triple Phase and Sinx/x Equalized, Low-Pass Video Filter |
| ML6421CS3 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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