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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大小： | 457K |
| 代理商： | EL4095CS |
EL4095C
Video Gain ControlFaderMultiplexer
Applications Information
The EL4095 is a general-purpose two-channel
fader whose input channels each act as a current-
feedback amplifier (CFA) input Each input can
have its own gain factor as established by exter-
nal resistors For instance the Test Circuit shows
two channels each arranged as a1 gain with the
traditional single feedback resistor RF connected
from VOUT to the bVIN of each channel
The EL4095 can be connected as an inverting
amplifier in the same manner as any CFA
Frequency Response
Like other CFA’s there is a recommended feed-
back resistor which for this circuit is 1 K
X The
value of RF sets the closed-loop b3 dB band-
width and has only a small range of practical
variation The user should consult the typical
performance curves to find the optional value of
RF for a given circuit gain In general the band-
width will decrease slightly as closed-loop gain is
increased RF can be reduced to make up for
bandwidth loss Too small a value of RF will
cause frequency response peaking and ringing
during transients On the other hand increasing
RF will reduce bandwidth but improve stability
EL4095C In Inverting Connection
4095 – 27
11
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