It uses the classical statevariable analog architec ture with a summing amplifier plus two integrators This topology offers low sensitivity of filter design parameters f natural frequency and Q to external component variations along with simultaneou ID: 31524
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2 BURR-BROWN does not authorize or warrant and Q can be indepen- and R FIGURE 3. 60Hz Notch Filter Response. R250kW R350kW UAF42R150kW RF12.65MWC11000pF 8714 Out1 2 RQ4.99kWVIN 450kW RF22.65MWRZ12kWRZ22kWRZ312.1kWLow-passOutBand-passOutVOUT 6 109 =R R Ð6040Frequency (Hz)Gain (dB) 507080 Ð3dB fL fH fNOTCH 6020 IMPORTANT NOTICETexas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinueany product or service without notice, and advise customers to obtain the latest version of relevant informationto verify, before placing orders, that information being relied on is current and complete. All products are soldsubject to the terms and conditions of sale supplied at the time of order acknowledgment, including thosepertaining to warranty, patent infringement, and limitation of liability.TI warrants performance of its semiconductor products to the specifications applicable at the time of sale inaccordance with TI's standard warranty. Testing and other quality control techniques are utilized to the extentTI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarilyperformed, except those mandated by government requirements.In order to minimize risks associated with the customer's applications, adequate design and operatingTI assumes no liability for applications assistance or customer product design. TI does not warrant or representthat any license, either express or implied, is granted under any patent right, copyright, mask work right, or otherintellectual property right of TI covering or relating to any combination, machine, or process in which suchsemiconductor products or services might be or are used. TI's publication of information regarding any thirdparty's products or services does not constitute TI's approval, warranty or endorsement thereof. 2000, Texas Instruments Incorporated