鈩?/div>
.
鈥?7.1MHz 4
th
order video 鏗乴ters
鈥?7.1MHz Y and C 鏗乴ters, with CV out
鈥?42dB stopband attenuation at 27MHz on Y, C, and CV
鈥?Better than 1dB 鏗俛tness to 4.5 MHz on Y, C, and CV
鈥?No external frequency select components or clocks
鈥?9ns group delay 鏗俛tness on Y, C, and CV output
鈥?AC coupled inputs and outputs
鈥?0.4% differential gain with 0.4
擄
differential phase
鈥?Integrated DC Restore / Clamp circuitry with low tilt
General Description
The FMS6410 Dual Channel Video Filter 鈥?Driver Chip with
CV Summer offers comprehensive video 鏗乴tering for set top
box or DVD applications. This part consists of two 4
th
order
Butterworth 7.1MHz low pass 鏗乴ters for video signals. The
鏗乴ters are optimized for low overshoot and 鏗俛t group delay.
The device also contains a summing circuit to generate
filtered composite video.
Integrated video drivers are
included to facilitate a direct drive to the outside world.
In a typical application, the Y and C input signals from
DACs are AC coupled into the 鏗乴ter. Both channels have DC
restore circuitry to clamp the DC input levels during video
sync. The Y and C channels use a separate feedback clamp.
The clamp pulse is derived from the Y channel.
The outputs are AC coupled. The Y, C and, CV outputs are
buffered to drive 2V
P-P
into a 150
鈩?/div>
load (1V
P-P
into a
doubly terminated 75
鈩?/div>
coax load) with up to 35pF of load
capacitance at the output pin. The Y, C, and CV channels
have a gain of approximately 2 (6dB) with 1V
P-P
input
levels. There is an option for the video output to be DC
coupled which limits the drive output to one output on each
channel.
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
CCTV
Cable and Satellite Set top boxes
DVD players
Televisions
Personal Video Recorders (PVRs)
Video On Demand (VOD)
Distribution Ampli鏗乪rs
Functional Block Diagram
1
YIN
SYNC STRIP, REF,
AND TIMING
6dB
YOUT
8
gM
2
1V
NC (Reserved)
VCC_VIDEO
7
FMS6410
3
GND_VIDEO
CVOUT 6
gM
1V
4
CIN
6dB
COUT 5
REV. 0.0.2 9/3/02
FMS6410CSX 產(chǎn)品屬性
2,500
集成電路 (IC)
線性 - 視頻處理
-
視頻濾波器
錄音機，機頂盒
表面貼裝
8-SOIC（0.154"，3.90mm 寬）
8-SOICN
帶卷 (TR)
FMS6410CSX相關(guān)型號PDF文件下載
-
型號
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描述
廠商
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