LV25400W_0712 Datasheet, PDF (13/42 Pages) Sanyo Semicon Device – For Automotive Applications DSP Tuner Front End

Functions
AM/FM front-end AGC block
FM Image rejection Mixer (IQ-MIX)
FM IQ-MIX phase adjust (For the Japanese FM band)
AM Double balance Mixer
Pin diode drive AGC output (AM/FM)
Wide AGC sensitivity setting (AM/FM)
Narrow AGC sensitivity setting (AM/FM)
Keyed AGC adjust (FM)
AM RF AGC
Local oscillator
Local osc divider (FM/AM)
Local osc divider (AM)
ANT/RF DAC (FM)
AM 1st IF AMP block
1st-IF amplifier 10.7M (Narrow)
FM IF block
S-meter shifter
IF Limiter Amplifier 6 stage
S-meter (DC for keyed AGC) (FM)
IF output Driver for DSP/iBoc (10.7MHz output)
IF-AGC block
IF AGC Amplifier (control Voltage from DSP)
IF output Driver for DSP/iBoc
IF Buffer Output for Diversity
IF Gain Adjust
IF AGC Amp-OFF-Sw
PLL
Fast lock PLL
Filter SW
other
Tuner off
2.7V Regurator adjust
LV25400W
Gain switching : 1 bit
2 bit DAC
4 bit DAC
4 bit DAC
4 bit DAC
4 bit DAC
155MHz to 262MHz
Division by 1, 2, or 3
Division by 10, 8, 6, or 4
9 bit DAC
5 bit DAC
10.7MHz IF
10.7MHz IF
4 bit DAC
For the analog system and the iBoc system ; 1 bit each
1 bit SW
1 bit SW
2 bit DAC
No.A0633-13/42