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手机用收音芯片问题

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发表于 2007-5-30 11:10:22 | 显示全部楼层 |阅读模式
我想了解目前手机收音芯片的使用情况,除了si470*外,大家一般都用什么,推荐一下。
发表于 2007-5-30 11:36:09 | 显示全部楼层
Philips he MTK
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 楼主| 发表于 2007-5-30 16:20:20 | 显示全部楼层
现在具体型号是什么
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发表于 2007-6-10 16:34:16 | 显示全部楼层
硅动力的跟philips相对比优势是性价比较高,3767、3761、3760和philips的5767、5761、5760完全PIN TO PIN。缺点是停台灵敏度比philips稍低。Niigata是日本IC 优点是功耗比较低,缺点是软件比较难调试,sigmatel 只能用在自己的主控芯片上。

MSN:qyj9917(hotmail)
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发表于 2007-6-18 12:41:29 | 显示全部楼层
ding, 不错
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发表于 2007-6-18 15:20:54 | 显示全部楼层
三洋最新的 FM  芯片
LV24230,更快捷的调试方式,没有必须的外部器件,功耗小,灵敏度高,性价比高。。。。。。
The LV24230LP is FM tuner IC’s that requires absolutely no external components.
They incorporate the FM tuner functions as well in a compact VQLP package with dimensions of only 4 x 4 x 0.8mm.
These IC’s are simply ideal for incorporating FM tuner functions into mobile phones and other small mobile sets where space is always at a premium.
Functions
・ FM FE
・ FM IF
・ MPX Stereo Decoder
・ Tuning
Features
・ Easy to command control.
・ I2C bus to communicate with host.
・ No external components.
・ No alignments necessary.
・ Fully integrated low IF selectivity and demodulation. (130kHz or 150kHz Selection)
・ Built in adjacent channel interference total reduction. (114kHz and 190kHz)
・ Due to new tuning concept, the tuning is independent of the channel spacing.
・ Very high sensitivity due to integrated low noise RF input amplifier.
・ Very low power Standby mode. No power switch circuitry required.
・ MPX output for RDS application.
・ Frequency Locked Loop function .
・ 4 steps audio output level control
・ 4 levels programmable Soft Mute
・ 4 levels programmable Soft Stereo
・ In combination with the host, fast, low power operation of preset mode, manual search, automatic search and automatic preset store are possible.
・ Covers all Japanese, European and US bands.
・ Stereo pilot signal canceller
・ Built in voltage stabilizer
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发表于 2007-6-18 15:41:25 | 显示全部楼层
有需要SPEC 加偶的MSN [em04]
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发表于 2007-6-18 15:42:45 | 显示全部楼层
或者留下EMAIL[em02]
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