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參數(shù)資料
| 型號(hào)： | THS4031D |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| 中文描述： | 100 MHz的低噪聲高速放大器 |
| 文件頁數(shù)： | 27/38頁 |
| 文件大?。?/td> | 674K |
| 代理商： | THS4031D |
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THS4031, THS4032
100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
SLOS224C – JULY 1999 – REVISED APRIL 2000
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
general configurations
When receiving low-level signals, limiting the bandwidth of the incoming signals into the system is often
required. The simplest way to accomplish this is to place an RC filter at the noninverting terminal of the amplifer
(see Figure 52).
VI
VO
C1
+
–
RG
RF
R1
f–3dB
1
2 R1C1
VO
VI
1
RF
RG
1
1
sR1C1
Figure 52. Single-Pole Low-Pass Filter
If even more attenuation is needed, a multiple-pole filter is required. The Sallen-Key filter can be used for this
task. For best results, the amplifier should have a bandwidth that is 8 to 10 times the filter frequency bandwidth.
Otherwise, phase shift of the amplifier can occur.
VI
C2
R2
R1
C1
RF
RG
R1 = R2 = R
C1 = C2 = C
Q = Peaking Factor
(Butterworth Q = 0.707)
(
=
1
Q
2 –
)
RG
RF
_
+
f–3dB
1
2 RC
Figure 53. 2-Pole Low-Pass Sallen-Key Filter
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| THS4031JG | 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031DGN | 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031EVM | 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031FK | 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031MFK | 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS4031DGN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031-EP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031EVM | 功能描述:放大器 IC 開發(fā)工具 THS4031 Hi-Spd Amp Eval Mod RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| THS4031FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
| THS4031ID | 功能描述:高速運(yùn)算放大器 100MHz Low Noise RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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