參數(shù)資料
型號(hào): EL4095CS
英文描述: Video Gain Control/Fader/Multiplexer
中文描述: 視頻增益控制/前后/復(fù)用器
文件頁(yè)數(shù): 8/24頁(yè)
文件大小: 457K
代理商: EL4095CS
EL4095C
Video Gain ControlFaderMultiplexer
Application Information
Contd
Although another amplifier is needed to gain the
output back to standard level the reduced error
currents bring the differential phase error to less
than 01 over the entire input range
A useful technique to reduce video distortion is to
DC-restore the video level going into the EL4095
and offsetting black level to b035V so that the
entire video span encompasses g035V rather
than the unrestored possible span of g07V (for
standard-sized signals) For the preceding leveler
circuit the black level should be set more toward
b
07V to accommodate the largest input
or
made to vary with the gain control itself (large
gain small offset small gain larger offset)
The EL4095 can be wired as a four quadrant mul-
tiplier
EL4095 Connected as a Four-Quadrant Multiplier
4095 – 32
16
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