Datenblatt-Suchmaschine für elektronische Bauteile |
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LC75366M Datenblatt(PDF) 10 Page - Sanyo Semicon Device |
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LC75366M Datenblatt(HTML) 10 Page - Sanyo Semicon Device |
10 / 11 page Loudness Function External Circuit Constant Calculation Example First, refer to the LC75366 and LC75366M 10 dB step internal equivalent circuit shown on page 5. Figure 1 below shows this circuit simplified with the external components used for the loudness function connected for this calculation. The sample calculation below uses this diagram to acquire a 5 dB boost at f = 100 Hz. (f = 100 Hz, 5 dB boost) Let R and C in Figure 1 be: R1 = R2 = 10 k Ω R3 = 1 k Ω C1 = Z1, C2 = Z2 Then: Solving the above equations gives: Z1 ≠ 178.3 kΩ and Z2 = 176 Ω No. 4929-10/11 LC75366, 75366M VOUT = (at = 1 kHz) + R2 (R3 + Z2) R2 + R3 + Z2 = –20 dB R1 · Z1 R1 + Z1 R2 (R3 + Z2) R2 + R3 + Z2 VOUT = (at = 100 Hz) + = –15 dB R1 · 10 · Z1 R1 + 10 · Z1 R2 (R3 + 10 · Z2) R2 + R3 + 10 · Z2 R2 (R3 + 10 · Z2) R2 + R3 + 10 · Z2 |
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