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通过OPA621电压反馈放大器和OPA603电流反馈放大器的
消耗积分:5 |
格式:rar |
大小:30 |
2009-06-06
362163
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Designers specify amplifiers based on certain key parameters,
one of which is bandwidth. Traditionally, the gainbandwidth
product of an amplifier told the user everything
he needed to know about its small-signal AC performance.
The useful bandwidth of an amplifier was determined by
dividing the gain-bandwidth product (GBW) by the desired
closed-loop gain. However, this simple formula cannot be
used with current-feedback amplifiers.
one of which is bandwidth. Traditionally, the gainbandwidth
product of an amplifier told the user everything
he needed to know about its small-signal AC performance.
The useful bandwidth of an amplifier was determined by
dividing the gain-bandwidth product (GBW) by the desired
closed-loop gain. However, this simple formula cannot be
used with current-feedback amplifiers.
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