參數(shù)資料
型號: LV25450PNW
元件分類: 調(diào)諧器
英文描述: AUDIO TUNER, PQFP64
封裝: 10 X 10 MM, SQFP-64
文件頁數(shù): 3/40頁
文件大?。?/td> 1251K
代理商: LV25450PNW
LV25450PNW
No.A1668-11/40
Functions
AM/FM front-end AGC block
FM Image rejection Mixer (IQ-MIX)
Gain switching : 1 bit
FM IQ-MIX phase adjust (For the Japanese FM band)
Injection switching
1 bit
for East Band Receive
AM Double balance Mixer
Pin diode drive AGC output (AM/FM)
Wide AGC sensitivity setting (AM/FM)
4 bit DAC
Narrow AGC sensitivity setting (AM/FM)
4 bit DAC
Keyed AGC adjust (FM)
4 bit DAC
AM RF AGC
4 bit DAC
Local oscillator
133MHz to 262MHz
Local osc divider (FM/AM)
Division by 1, 2, or 3
Local osc divider (AM)
Division by 20, 16, 12, or 8
ANT/RF DAC (FM)
9 bit DAC
× 2
AM 1st IF AMP block
1st-IF amplifier 10.7M
IF-Lim-Amp/S-meter block
S-meter shifter
5 bit DAC
IF Limiter Amplifier 6 stage
for FM-S-meter
S-meter (DC for keyed AGC) (FM)
IF-AGC-Amp/IF-Amp for Diversity block
IF AGC Amplifier (control Voltage from DSP)
IF output Driver for DSP
10.7MHz IF
IFAGC-Amp Gain Adjust.
IF-Amplifier for Diversity (Fixed Gain)
10.7MHz IF
IF-Output Driver for DIV-IF
10.7MHz IF
PLL
Fast lock PLL
Filter SW
Charge-Pomp switching
other
Tuner off
1 bit SW
2.7V Regurator adjust
2 bit DAC
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