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BA3570FS 数据表(PDF) 6 Page - Rohm |
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BA3570FS 数据表(HTML) 6 Page - Rohm |
6 / 10 page R8+R9 fCH2 = 2 π S (R6R8+R8R10+R6R10) S C10 : (Hz) R13 GV(D) = 20log R13+R14 (dB) R9 GH1 = 20log R8+R9 +9.5+15 (dB) R9 GH2 = 20log R6 //R8+R9 +9.5+15 (dB) R18 GV(ATT2) = 20log R17+R18 (dB) R19+R20 GV(D) = 20log R19 (dB) GV (OFF) = GV (ATT2) +GV (D) +GV (MUTE) +GV (E) = 15 (dB) 15 *6 )60 559 Audio ICs BA3570F / BA3570FS HPF cutoff frequency 2 Amp D gain : Furthermore, as R14 = 2R13, GV(D) = +9.5 (dB) The total gain GH1 for the frequency band f tfCH1 is and the total gain GH2 for the frequency band fCH2 tf is 3) Combined frequency characteristics As shown in Fig. 6, the ALS characteristics can be ob- tained from the bass characteristics (Fig. 4) and the treble characteristics (Fig. 6). (2) ALS OFF The signal circuit when ALS is off is shown in Fig. 7. The gain and cutoff frequency of each block is as follows: ATT2 attenuation: Amp D’ gain: As R17 = R18 and R19 = R20, the total gain GV(OFF) when ALS is off is and it is flat as shown in Fig. 8. |
类似零件编号 - BA3570FS |
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类似说明 - BA3570FS |
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