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LA1833N 数据表(PDF) 5 Page - Sanyo Semicon Device |
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LA1833N 数据表(HTML) 5 Page - Sanyo Semicon Device |
5 / 10 page No. 6568-5/10 LA1833N, 1833NM Continued from preceding page. Pin No. Pin Voltage (V) Functional description Equivalent circuit 20 S meter Also functions as the AM AGC 0.2 (FM) 0.9 (AM) ILA00235 20 R Internal load resistor R = 13.9 k Ω. The SD response speed during seek operations is set by the value of the external capacitor connected to pin 20. 21 ILA00236 21 AM RF-IN Vreg Pin 21 and pin 22 (the AFC voltage) are used at the same potential ILA00237 22 22 AFC Vreg The FM SD bandwidth can be adjusted by an external resistor connected between pin 22 and pin 3 (the regulator voltage). Note: A bandwidth of 180 kHz or higher is appropriate for the FM SD bandwidth. ILA00238 23 23 OSC VCC The oscillator coil is connected between pin 23 and pin 9 (the VCC voltage). Note: The oscillator coil impedance (secondary side) must be at least 5 k Ω. ILA00239 24 R 24 Oscillator buffer Also functions as the FM SD adjustment VCC – 1.4 The FM SD sensitivity can be adjusted with an external resistor on pin 24. R = 200 Ω Note: The resistance of the pin 24 external resistor must be at least 3.3 k Ω. |
类似零件编号 - LA1833N |
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类似说明 - LA1833N |
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