LV25200M_10 Datasheet, PDF (7/45 Pages) Sanyo Semicon Device – Single chip Tuner IC for Car Radio

LV25200M
Continued from preceding page.
Soft mute setting
Mute attenuation setting
IF counter buffer (FM circuits)
SD (IF counter buffer activation level) setting
SD output (active-high) (also used by AM circuits)
IF output Driver for DSP (AF out, non-muting)
SD: Station Detector
IF Gain
3. AM Block (back end of AM tuner)
Double balance 2^nd mixer
IF amplifier
AM detector
RF Narrow AGC
Wide AGC
Pin diode drive AGC output
S-meter output
IF counter buffer
SD (IF counter buffer activation level) setting
SD output (active-high)
Detector output frequency adjusting pin (Low-cut, De-emphasis)
4. FM NC
High-Pass-Filter (1st-order)
Delay circuit of Low-Pass-Filter (4th order)
Noise-AGC (Sensitivity:2 Bit-control)
Pilot signal compensation
Noise sensitivity setting
Modulation index
5. AM NC
AM Noise canceller Gate-Time
AM Noise canceller OFF Level
6. MPX
VCO (Free-Run Frequency:6 Bit-control)
Level following pilot canceller
Automatic stereo/mono switching
VCO oscillator stop (AM mode)
Forced monaural
Stereo indicator (active-low)
Anti-birdie filter (f=114kHz, 190kHz)
SNC (stereo noise control)
HCC (high-cut control)
Separation setting
7. MRC (Multipath-noise Rejection Circuit)
Noise Amplifier Gain (sensitivity setting)
DC Level-Shifter
SNC driving
Time constant control circuit
5 bit DAC
6 bit DAC
10.7MHz
5 bit DAC
4 bit DAC
4 bit DAC
4 bit DAC
4 bit DAC
2 bit DAC
5 bit DAC
2 bit DAC
6 bit DAC
5 bit DAC
6 bit DAC
2 bit (3 step adj.)
5 bit DAC
5 bit DAC
6 bit
2 bit
2 bit
-0.5dB to -25dB
450kHz
304kHz
64 steps
4 step
4 step
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