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| LV25200M_10 Datasheet, PDF (19/45 Pages) Sanyo Semicon Device – Single chip Tuner IC for Car Radio | |||
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Continued from preceding page.
Pin
Function
59 AM RFAGC
BYPASS
LV25200M
Discription
RF AGC rectifier capacitor
Determination of the distortion ratio during
low-frequency modulation
Increase C59 and C64;
Distortion â improved
Response â slow
Decrease C59 and C64;
Distortion â worse
Response â quick
Unit (Resistance: Ω, Capacitance: F)
Internal Equivalent Circuit
64 RF AGC
RF AGC rectifier capacitor
Determination of distortion ratio during
low-frequency modulation
Increase C59 and C64;
Distortion â improved
Response â slow
Decrease C59 and C64;
Distortion â worse
Response â quick
60 AM IF AMP IN
61
AM 450kHz AMP input
Input impedance=2kΩ
62
FM 2nd MIX input
63 FM AMP input
FM 2nd MIX
10.7MHz â 450kHz
FM AMP (10.7MHz)
AMP for S-meter voltage
65
AM/FM 1st IF AMP
OUTPUT
Output impedance=330Ω
Continued on next page.
No.A0976-19/45
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