Datasheet

LM146, LM346
SNOSBH5B –MAY 2004–REVISED SEPTEMBER 2004 www.ti.com
• If resistive biasing is used to set the LM346 performance, the Q
o
of this filter building block is nearly insensitive to
the op amp's GBW product temperature drift; it has also better noise performance than the state variable filter.
Figure 35. A Simple-to-Design BP, LP Filter Building Block
Circuit Synthesis Equations
•For the eventual use of amplifier C, see comments above. (2)
Figure 36. A 3-Amplifier Notch Filter (or Elliptic Filter Building Block)
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Product Folder Links: LM146 LM346