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单电源高频放大器线性性的介绍（涉及器件EL2044，EL22
消耗积分:5 |
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大小:152 |
2009-06-04
YYXIAO
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The trend toward lower power supply voltages
has recently inspired the design of integrated single-
supply high-frequency amplifiers. The greatest
use of these circuits is in passing video signals,
although there are many other applications.
Unity-gain bandwidths of the new offerings are
in the 90 MHz±160 MHz range.
The earliest single-supply IC amplifier is the
LM324, developed circa 1974. This is a 1 MHz
op-amp that set the definition of a single-supply
circuit:
has recently inspired the design of integrated single-
supply high-frequency amplifiers. The greatest
use of these circuits is in passing video signals,
although there are many other applications.
Unity-gain bandwidths of the new offerings are
in the 90 MHz±160 MHz range.
The earliest single-supply IC amplifier is the
LM324, developed circa 1974. This is a 1 MHz
op-amp that set the definition of a single-supply
circuit:
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