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MC3458P1 Folha de dados(PDF) 7 Page - ON Semiconductor |
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MC3458P1 Folha de dados(HTML) 7 Page - ON Semiconductor |
7 / 8 page MC3458 MC3358 7 MOTOROLA ANALOG IC DEVICE DATA 1 2 R3 2 A(fo) R1 R5 4Q2 R1 – R3 Q π fo C 1 2 Figure 12. Function Generator Figure 13. Multiple Feedback Bandpass Filter Vref = VCC Triangle Wave Output Vref Square Wave Output Vref R2 R3 75 k 300 k R1 100 k Rf C – f = R1 +RC if, R3 = R2 R1 R2 +R1 + 1/2 MC3458 1/2 MC3458 – + 1/2 MC3458 – + Vin R1 C C R3 VCC VO CO CO = 10 C Vref R2 Vref = VCC fo = center frequency Given: A(fo) = gain at center frequency Choose value fo, C. Then: R3 = R2 = R1 = For less than 10% error from operational amplifier where, fo and BW are expressed in Hz. If source impedance varies, filter may be preceded with voltage follower buffer to stabilize filter parameters. Qo fo < 0.1 4 CRf R1 BW Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. |
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Descrição semelhante - MC3458P1 |
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