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參數(shù)資料
| 型號： | BUF600 |
| 英文描述： | HIGH-SPEED BUFFER AMPLIFIER |
| 中文描述： | 高速緩沖放大器 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 247K |
| 代理商： | BUF600 |
11
BUF600, 601
75
200
7
4
6
–5V
3
150
V
I
V
O
BUF601
68
120
470nF
2.2μF
+5V
1
5
8
470nF
2.2μF
–5V
4
V
O
BUF601
68
120
470nF
2.2μF
1
8
4
+5V
5
470nF
2.2μF
–5V
V
O
BUF601
68
120
470nF
2.2μF
1
8
4
+5V
2.2μF
470nF
5
–5V
100
2
250
+5V
OPA658
Z
O
BUF
Z
O
+5V
1
5
8
–5V
4
150
Z
O
V
O
V
I
Z
O
BUF
Z
O
+5V
1
5
8
–5V
4
150
Z
O
V
O
V
I
Direct Drive
A
V
=
Z
O
Z
O
+ R
O
R
OUT
=
Z
O
– R
O
A
V
=
– 6dB
Double Matched
R
OUT
FIGURE 4. Driving Cables.
DRIVING CABLES
The most obvious way is to connect the cable directly to the
output of the buffer. This results in a gain determined by the
buffer output resistance and the characteristic impedance of
the cable, assuming it is properly terminated.
Double termination of a cable is the cleanest way to drive it,
since reflections are absorbed on both ends of the cable. The
cable source resistor is equal to the characteristic impedance
less the output resistance of the buffer amplifiers. The gain
is –6dB excluding of the cable attenuation.
VIDEO DISTRIBUTION AMPLIFIER
In this broadcast quality circuit, the OPA623 provides a very
high input impedance so that it may be used with a wide
variety of signal sources including video DACs, CCD cam-
eras, video switches or 75
cables. The OPA623 provides a
voltage gain of 2.5V/V, while the potentiometer of 200
allows the overall gain to be adjusted to drive the standard
signal levels into the back-terminated 75
cables. Back
matching prevents multiple reflections in the event that the
remote end of the cable is not properly terminated.
FIGURE 5. Video Distribution Amplifier.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| BUF601 | HIGH-SPEED BUFFER AMPLIFIER |
| BUF600AP | HIGH-SPEED BUFFER AMPLIFIER |
| BUF600AU | HIGH-SPEED BUFFER AMPLIFIER |
| BUF601AU | HIGH-SPEED BUFFER AMPLIFIER |
| BUF630 | TRANSISTOR | BJT | NPN | 400V V(BR)CEO | 6A I(C) | TO-220AB |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BUF600/BUF601 | 制造商:BB 制造商全稱:BB 功能描述:BUF600. BUF601 - HIGH-SPEED BUFFER AMPLIFIER |
| BUF600AP | 制造商:Rochester Electronics LLC 功能描述:BUFFER AMP. - Bulk 制造商:Texas Instruments 功能描述: |
| BUF600AU | 功能描述:高速運算放大器 SOIC-8 High-Speed Bu RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| BUF601 | 制造商:BB 制造商全稱:BB 功能描述:HIGH-SPEED BUFFER AMPLIFIER |
| BUF601AU | 功能描述:高速運算放大器 SOIC-8 High-Speed Bu RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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