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FMS6419 Datasheet(PDF) 6 Page - Fairchild Semiconductor

Part No. FMS6419
Description  Selectable RGB (YUV) HD/SD Video Filter Driver with Y, C, Composite Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FMS6419 Datasheet(HTML) 6 Page - Fairchild Semiconductor

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6
REV. 4C June 28, 2004
DATA SHEET
FMS6419
General Description
The FMS6419 offers comprehensive filtering for set top box
or DVD applications. This part consists of triple 6th order
filters with selectable 30MHz or 8MHz frequencies and a
dual filter for filtering Y, C with a composite summer. 2 to 1
multiplexers are provided on the triple filters as well as
provisions for auxiliary input to the composite channel. The
triple filters are intended for either YUV or RGB signals.
All channels accept DC coupled ground-referenced 1V
signals. The filters outputs 2Vpp signals into AC coupled
terminated loads. The low-pass filters are powered by 3.3V
and output buffers are powered by 5.0V.
The FMS6419 is a next generation filter solution from
Fairchild Semiconductor addressing the expanding filtering
needs for set top boxes, and DVD players. The product
provides selectable filtering from 30MHz to 8MHz on the
RGB channels. Thus, the FMS6419 addresses the require-
ment for a single set top box to be compatible with a variety
of resolution standards. Additionally, the product provides
additional filters for Y, C, and Composite Video (CV) out-
puts. Multiplexers on the RGB and CV channels provide
further flexibility.
For DVD applications, the product provides filtering and
output drive amplification for 6 channels of outputs. These
include R, G, B, Y, C, and CV outputs.
For Set top boxes, this product provides for 2 channels of
video to be filtered, as well as the flexibility of selectable
high order filtering for multiple resolution standards.
Additional flexibility is provided by the Y (Luma) and C
(Chroma) filters with a composite summer.
All channels provide 6dB gain, accept 1V ground referenced
inputs, and drive AC coupled loads. The filters for the R, G,
B, Y, C, and CV channels are powered from a 3.3V supply
and the outputs from 5V.
High Definition Typical Performance Characteristics
(TC = 25°C, Vi = 1Vpp; VCCA = 3.3V, VCCO = 5.0V, FSEL = 1, all inputs AC coupled with 0.1
µF,
all outputs AC coupled with 220
µF into 150Ω, referenced to 400kHz; unless otherwise noted)
Frequency Response RGB Channels
Frequency (MHz)
400kHz
20
40
60
80
90
Group Delay vs. Freq. RGB Channels
1
1 = 32MHz (4.98ns)
-40
-30
-20
-10
0
10
Frequency (MHz)
400kHz
20
10
30
40
50
60
-12
-10
-8
-6
-4
-2
0
2
4
6
8
1
Noise vs. Frequency RGB Channels
-75
-95
-135
-55
0
1.0
2.0
3.0
4.0
5.0
Frequency (MHz)
-125
-115
-105
-85
-65
-45
2
3
Mkr Frequency
Amplitude
Ref
400kHz
6dB
1
26.57MHz
-1dB BW
2
31.5MHz
-3dB BW
3
74.25MHz
-33.53dB
f
SBHD = Amplitude(ref) – Amplitude(3) = 39.53dB


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