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| 型號： | THS4051JG |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 70-MHz HIGH-SPEED AMPLIFIERS |
| 中文描述： | 70 - MHz的高速放大器 |
| 文件頁數(shù)： | 19/30頁 |
| 文件大?。?/td> | 487K |
| 代理商： | THS4051JG |
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THS4051, THS4052
70-MHz HIGH-SPEED AMPLIFIERS
SLOS238C– MAY 1999 – REVISED MAY 2000
19
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 amplifier
(see Figure 49).
VI
VO
C1
+
–
RG
RF
R1
f–3dB
1
2 R1C1
VO
VI
1
RF
RG
1
1
sR1C1
Figure 49. 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.
Failure to do this can result in phase shift of the amplifier.
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 50. 2-Pole Low-Pass Sallen-Key Filter
相關PDF資料 |
PDF描述 |
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| THS4052D | 70-MHz HIGH-SPEED AMPLIFIERS |
| THS4052DGN | 70-MHz HIGH-SPEED AMPLIFIERS |
| THS4052EVM | 70-MHz HIGH-SPEED AMPLIFIERS |
| THS4051DGN | 70-MHz HIGH-SPEED AMPLIFIERS |
| THS4051EVM | 70-MHz HIGH-SPEED AMPLIFIERS |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| THS4051MFK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:70-MHz HIGH-SPEED AMPLIFIERS |
| THS4051MFKB | 制造商:Texas Instruments 功能描述:OP Amp Single Volt Fdbk ±16.5V/33V 20-Pin LCCC Tube |
| THS4051MJG | 制造商:Texas Instruments 功能描述:OP Amp Single Volt Fdbk ±16.5V/33V 8-Pin CDIP Tube 制造商:Texas Instruments 功能描述:HIGH SPEED, SINGLE OP AMP |
| THS4051MJGB | 制造商:Texas Instruments 功能描述:OP Amp Single Volt Fdbk ±16.5V/33V 8-Pin CDIP Tube |
| THS4052 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:70-MHz HIGH-SPEED AMPLIFIERS |
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