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uaf42通用低通滤波器
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The UAF42 is a universal active filter that can be
– Low-Pass, High-Pass configured for a wide range of low-pass, high-pass,
– Band-Pass, Band-Reject and band-pass filters. It uses a classic state-variable analog architecture with an inverting amplifier and two
· SIMPLE DESIGN PROCEDURE integrators. The integrators include on-chip 1000pF
· ACCURATE FREQUENCY AND Q: capacitors trimmed to 0.5%. This architecture solves
– Includes On-Chip 1000pF ±0.5% Capacitors one of the most difficult problems of active filter
design—obtaining tight tolerance, low-loss capacitors.
A DOS-compatible filter design program allows easy
· TEST EQUIPMENT implementation of many filter types, such as
· COMMUNICATIONS EQUIPMENT Butterworth, Bessel, and Chebyshev. A fourth, · MEDICAL INSTRUMENTATION uncommitted FET-input op amp (identical to the other three) can be used to form additional stages, or for
· DATA ACQUISITION SYSTEMS special filters such as band-reject and Inverse
· MONOLITHIC REPLACEMENT FOR UAF41 Chebyshev.
The classical topology of the UAF42 forms a
time-continuous filter, free from the anomalies and
switching noise associated with switched-capacitor
filter types.
The UAF42 is available in 14-pin plastic DIP and
SOIC-16 surface-mount packages, specified for the
–25°C to +85°C temperature range.
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独自玩耍的座头鲸
2018-04-16
0 回复 举报可以ma 收起回复
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yangchao1990
2011-08-21
0 回复 举报技术手册！！！ 收起回复
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