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LM248 Scheda tecnica(PDF) 10 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Il numero della parte LM248
Spiegazioni elettronici  Quad 741 Op Amps LM149 Wide Band Decompensated (AV MIN = 5)
PDF  15 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM248 Scheda tecnica(HTML) 10 Page - National Semiconductor (TI)

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Typical Applications—LM148 (Continued)
A 1 kHz 4 Pole Butterworth
00778612
Use general equations, and tune each section separately
Q1stSECTION = 0.541, Q2ndSECTION = 1.306
The response should have 0 dB peaking
A 3 Amplifier Bi-Quad Notch Filter
00778613
Ex: fNOTCH = 3 kHz, Q = 5, R1 = 270k, R2 = R3 = 20k, R4 = 27k, R5 = 20k, R6 = R8 = 10k, R7 = 100k, C1 = C2 = 0.001 µF
Better noise performance than the state-space approach.
www.national.com
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