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参数资料
| 型号： | LV25300M |
| 元件分类： | 调谐器 |
| 英文描述： | 2-BAND, AUDIO TUNER, PQFP80 |
| 封装： | QIP-80 |
| 文件页数： | 2/4页 |
| 文件大小： | 64K |
| 代理商： | LV25300M |
LV25300M
No.8320-2/4
Continued from preceding page.
Wide band AGC sensitivity setting pin, and narrow band AGC sensitivity setting pin
Local oscillator circuit (oscillator 1)
AM/FM second mixing oscillator (oscillator 2)
FM second mixing (FM mixer 2)
Supports both FM Japan band and US band.
AM first oscillator coil for AM LW, MW, and SW frequency divider circuit, internal frequency divider with
reduced number of varactor diode
Weather band
FM IF
IF limiter amplifier (IFAMP: Also runs in AM mode.)
S-meter output (shared pin for AM), 6-stage pickup (VSM: for DSP)
Dedicated FM S-meter (for DSP and diversity circuit)
Coilless detector circuit
Digital detection buffer output
IF counter buffer output (also used for AM)
SD (IF counter buffer ON level) adjustment
SD output (active high) (also used for AM)
AM
Double balance mixer (first and second)
Elimimated IF amplification (AM 450kHz) AM IFT
Digital detection IF buffer output (also used for FM)
IF AGC (controlled by narrow band S-meter output)
RF AGC (Wide)
Pin diode drive pin (antenna damping)
Wide band S-meter output (shared pin for FM IF)
Narrow band S-meter output (detected by AM IF second amplifier)
IF counter buffer output function (shared pin for FM IF), directly connected to PLL counter
SD (IF counter buffer ON Level) adjustment
SD output (active high) (also used for FM)
AM noise canceller trigger output pin
PLL
Charge pump for high-speed locking
Internal FET for active LPF
Low radiation noise due to 3V operation
4-wire serial bus control circuit (SANYO’s original CCB bus format)
Reference divider
Programmable divider (pulse swallow type)
Crystal oscillator circuit
- FM band selection signal detection and control circuits
- AM, SW1, and SW2 reception
- Weather band
- AM/FM RF AGC voltage
- FM/AM RF DAC (9 bits
× 2)
ADC (6/8bits × 2, selectable)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LV25300M_0711 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:1-chip Tuner IC |
| LV25300M_10 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:1-chip Tuner IC |
| LV25350PW-MPB-E | 制造商:ON Semiconductor 功能描述:FM/AM TUNER FRONT END - Trays |
| LV25350PW-TLM-E | 功能描述:调谐器 RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度: |
| LV25-400 | 制造商:LEM 制造商全称:LEM 功能描述:Voltage Transducer LV 25-400 |
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