基带可编程VGA滤波器

It is often beneficial to use a video driver at the output of a video encoder for power savings, line driving, and additional circuit protection. The video driver is typically configured as an active filter, also known as a reconstruction or anti-imaging filter. The purpose of the reconstruction filter is twofold: it blocks the higher frequency components (above the Nyquist frequency) that were introduced into the video signal as part of the digitization process and provides gain to drive the external 75 Ω cable to the video display.
产品选型表

CAT-5 Video Variable Filters

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SortOrderPart## of ChannelsBW -3 dB
(typ)
(Hz)
Temp RangeInput TypeIs
(typ)
(A)
Vs span
(min)
(V)
Vs span
(max)
(V)
Iout
(typ)
(A)
Prop Delay V p-p
(typ)
(s p-p)
Diff Gain Error
(typ)
(%)
Diff Phase Error
(typ)
(°)
Amplifier Primary FunctionUS Price 1000 to 4999
($ US)
1ADA4432-1Reference Circuit Available 1 10.5M -40 to 125°C Single-Ended 7.6m 2.6 3.6 37m- 0.38 0.69 Video Varible Filter $0.45
2ADA4433-1Reference Circuit Available 1 9.9M -40 to 125°C Differential 13.2m 2.6 3.6 29- 0.5 1.7 Video Varible Filter $0.85
3ADA4424-6 2 39M -40 to 85°C Single-Ended 93m 3.14 3.46-- 0.2 0.5 Video Varible Filter $1.59
4ADA4420-6 2 31M -40 to 85°C Single-Ended 36m 4.75 5.25 30m 15n 0.19 0.76 Video Varible Filter $0.69
5ADA4431-1 1 7.9M -40 to 85°C Single-Ended 4.7m 2.5 3.6 40m 30n 0.7 0.3 Video Varible Filter $0.62
6ADA4417-3 2 42M -40 to 85°C Single-Ended 24m 3.3 5 30m 26n 0.06 0.21 Video Varible Filter $0.80
7ADA4430-1Reference Circuit Available 1 9.7M -40 to 125°C Single-Ended 1.85m 2.5 6 40m- 0.25 0.15 Video Varible Filter $0.52
8ADA4412-3 3 37M -40 to 85°C Single-Ended 56m 4.5 12 30m 19n 0.16 0.05 Video Varible Filter $1.61
9ADA4411-3 3 37M -40 to 85°C Single-Ended 60m 4.5 12 30m 20n 0.16 0.05 Video Varible Filter $1.91
10ADA4410-6 2 36M -40 to 85°C Single-Ended 92m 4.5 12 30m 72n 0.09 0.37 Video Varible Filter $2.52