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參數(shù)資料
| 型號： | EL2082CS |
| 廠商： | ELANTEC |
| 元件分類： | 模擬運(yùn)算功能 |
| 英文描述： | Current Mode Multiplier |
| 中文描述： | ANALOG MULTIPLIER OR DIVIDER, 150 MHz BAND WIDTH, PDSO8 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 357K |
| 代理商： | EL2082CS |
EL2082C
Current-Mode Multiplier
Applications Information
Contd
Using the VIN Pin
The VIN pin can be used instead of the IIN pin so
Gm e
IOUT
VIN
e
b
Vg
1v
1
Rg a 95X
J
The VIN pin used
as signal input
2082 – 17
This connection is useful when a high input impedance is required There are a few caveats when using
the VIN pin The first is that VIN has a 250 V ms slew rate limitation The second is that the inevitable
CSTRAY across Rg causes a gain zero and gain INCREASES above the 1(2q CSTRAY Rg) frequency
and can peak as much as 20 dB with large CSTRAY A graph of gain vs frequency for several CSTRAYS
is included in the typical performance curves In general if wide bandwidth and frequency flatness is
desired the IIN pin should be used
The VIN pin does make an excellent ground reference pin for instance when low-frequency noise is to
be rejected The next schematic shows the EL2082 VIN pin rejecting possible 60 Hz hum induced on an
RF input cable
Using the VIN pin
as a ground reference
to reject hum and noise
2082 – 18
This example shows VIN rejecting low-frequency field-induced noise but not adding peaking since the
001
mF bypass capacitor shunts high-frequency signals to local ground
Reactive Couplings with the EL2082
The following sketch is an excerpt of a receiver IF amplifier showing methods of connecting the
EL2082 to reactive networks
Example Reactive
2082 – 19
Couplings with EL2082’s
11
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| EL2082J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Multiplier |
| EL208-V | 功能描述:晶體管輸出光電耦合器 Optocouplers RoHS:否 制造商:Vishay Semiconductors 輸入類型:DC 最大集電極/發(fā)射極電壓:70 V 最大集電極/發(fā)射極飽和電壓:0.4 V 絕緣電壓:5300 Vrms 電流傳遞比:100 % to 200 % 最大正向二極管電壓:1.65 V 最大輸入二極管電流:60 mA 最大集電極電流:100 mA 最大功率耗散:100 mW 最大工作溫度:+ 110 C 最小工作溫度:- 55 C 封裝 / 箱體:DIP-4 封裝:Bulk |
| EL2090 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:100MHz DC-Restored Video Amplifier |
| EL2090C | 制造商:ELANTEC 制造商全稱:ELANTEC 功能描述:100 MHz DC-Restored Video Amplifier |
| EL2090CM | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:100MHz DC-Restored Video Amplifier |
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