APPLICATIONS OF HIGH SPEED BUFFER AMPLIFIERS.

被引：0
|
作者：
Underwood, Bob
机构：
来源：
Electronic Product Design | 1987年 / 8卷 / 09期
关键词：
IMPEDANCE MATCHING;
D O I：
暂无
中图分类号：
TN7 [基本电子电路];
学科分类号：
080902 ;
摘要：
One of the main system applications of a buffer amplifier is to present a very light load to an input transducer or stimulus while driving a moderate-to-heavy load. If the input to a buffer amplifier can be dc coupled to the source, then the circuit input impedance will be simply the resistance and capacitance specified on the data sheet. Many buffers have a non-linear relationship between input bias current and input voltage, so the input resistance must be specified over the range of interest. The effect of increasing the speed of buffer amplifiers requires trade-offs to be made regarding the dc performance of the devices.
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页码：35 / 38
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