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发表于 2006-5-22 12:54:00
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【文件名】:06522@52RD_0247_PDF_C06.rar
【格 式】:rar
【大 小】:148K
【简 介】:The ideal comparator is perfectly accurate and instantly provides the correct output. Again,real life intrudes and gives us limits. Finite gain
and non-zero propagation delays result in delays between the input signal
being applied and the output signal being available. Input offsets result
in errors in the comparison. However,these problems can be overcome,
and many circuits can be built from the basic comparator. Oscillators,
d/a converters and a/d converters all use some form of comparator,and
operational amplifiers are comparators with frequency compensation.
【目 录】:
6.1 Hysteresis
6.2 The Bandgap Reference Comparator
6.3 Operational Amplifiers
6.4 A Programmable Current Reference
6.5 A Triangle-Wave Oscillator
6.6 A Four-Bit Current Summing DAC
6.7 The MOS Case
6.8 Chapter Exercises
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