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LM124W 데이터시트(PDF) 9 Page - STMicroelectronics |
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LM124W 데이터시트(HTML) 9 Page - STMicroelectronics |
9 / 13 page LM124W - LM224W - LM324W 9/13 TYPICAL SINGLE - SUPPLY APPLICATIONS ACTIVER BANDPASS FILTER HIGH INPUT Z, DC DIFFERENTIAL AMPLIFIER USING SYMETRICAL AMPLIFIERS TO REDUCE INPUT CURRENT (GENERAL CONCEPT) 1/4 LM124W 1/4 LM124W R3 10kW 1/4 LM124W e 1 e O R8 100k W R7 100k W C3 10m F VCC R5 470k W C2 330pF R4 10M W R6 470k W R1 100k W C1 330pF Fo = 1kHz Q = 50 Av = 100 (40dB) 1/4 LM124W R1 100k W R2 100k W R4 100k W R3 100k W +V2 +V1 Vo 1/4 LM124W For (CMRR depends on this resistor ratio match) R 1 R 2 ------- R 4 R 3 ------- = e0 (e2 - e1) As shown e0 = (e2 - e1) 1 R 4 R 3 ------- + 1/4 LM124W I B 2N 929 0.001m F I B 3M W I B eo I I e I I B I B Aux. amplifier for input current compensation 1.5M W 1/4 LM124W |
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유사한 설명 - LM124W |
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