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MC1776 Fiches technique(PDF) 9 Page - ON Semiconductor |
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MC1776 Fiches technique(HTML) 9 Page - ON Semiconductor |
9 / 12 page MC1776C 9 MOTOROLA ANALOG IC DEVICE DATA Figure 13. Wien Bridge Oscillator Figure 14. Multiple Feedback Bandpass Filter Figure 15. Multiple Feedback Bandpass Filter (1.0 kHz) Figure 16. Gated Amplifier Figure 17. High Input Impedance Amplifier MC1776C 22 k 200 k 2 3 C R VO 10 k Rset 7 6 8 4 –15 V R C – + +15 V fo = 1 2 π RC (for fo = 1.0 kHz) R= 16 k Ω C = 0.01 µF Choose a value for C, then R5 = R1 = R2 = MC1776C C C 2 3 – + 7 6 VO Rset 4 R5 R2 VEE R1 Vin VCC Q R5 2A (fo) R1,R5 QO fo GBW ≤ 0.1 8 MC1776C +15 V Input Output –15 V 2.0 M 8 4 C R2 R1 R5 2 3 6 7 – + for a 1.0 kHz filter with Q = 10 and A (fo) = 1 R1 = 160 k R2 = 820 R5 = 300 k C = 0.01 µF MC1776C Input Output – + 2 3 –15 V 8 4 6 VCC 15 V 2.7 M 270 k 7 10 k 1 M Q Gate +15 V 10 k 10 k 5.6 k MC1776C 50 M 10 k 90 k Output Input 500 k 500 k 50 M – + 2 3 6 7 4 8 +15 V 30 M –15 V C For a given: fo = center frequency A (fo) = Gain at center frequency Q = quality factor To obtain less than 10% error from the operational amplifier: where fo and GBW are expressed in Hz. GBW is available from Figure 6 as a function of Set Current, Iset. πfoC 4Q2 R1–R5 |
Numéro de pièce similaire - MC1776 |
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Description similaire - MC1776 |
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