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| NS带ADSL的机顶盒(STB)解决方案 | |||||
作者：NS 文章来源：本站 点击数： 更新时间：2007-3-18  |
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 The set-top box (STB) is driving a digital revolution in home entertainment. With new boxes allowing users to receive both SD and HD formats, consumers experience life-like motion in their homes. With new added features like email, web surfing, customized information such as stock quotes, weather and traffic updates, on-line shopping, and video-on-demand right through your television, set-top boxes are becoming a norm even with the average consumer. National Semiconductor has many proprietary technologies that allow us to have a wide product offering in power, amplifiers, audio, data conversion, and interface applications. Our solutions give manufacturers the flexibility of having the newest and most advanced features, without compensating for video quality or cost.  1 A /D ADC08060 ADC08100 ADC081000 2 BUF (NTSC/PAL) LMH6609 LMH6639 LMH6642 3 BUF (S-Video) LM7372 LMH6622 LMH6643 4 Amp (Audio Out) LMV722LD LMV722LDX LMV722M 5 Amp (Audio In) LMP7712MM LMP7712MMX LMP7716MM 6 Amp (Mic In) LMV1012 LMV1015 LMV1032 7 AV97 Audio Codec DS90CP22MTX DS90CP22MT DS90CP04TLQX 8 Internal Mic 9 DSL AFE Digital Subscriber Line (DSL) is a technology that uses sophisticated modulation schemes to pack data onto copper wires. Without interfering with voice service, DSL uses the extra bandwidth on phone lines to transmit data and ultimately, provide a high-speed connection to the Internet. It dramatically increases the digital capacity of ordinary telephone lines from switching stations into the home/office. National offers DSL solutions at both ends of the last-mile in an effort to make the connection between the user and the Internet faster. Component Highlights * ADC - high-resolution, high-speed, and single-supply- operation ADCs provide an easy-to-implement DSL AFE solution. * Operational amplifiers - low-noise, low-distortion amplifiers support the high performance of DSL filters and front ends. With high output drive capability, selected amplifiers are also ideal for customer premises equipment and central office DSL drivers applications. (1) TX LM7372ILD LM7372IMA LM7372IMAX (2) LPE LMH6622 LMH6654 LMH6655 (3) DSP or A/D ADC10040CIMT ADC10065CIMT ADC10080CIMT (4) RX LMH6622MA LMH6622MAX LMH6622MM 10 Ethernet DP83847ALQA56AX DP83847ALQA56A DP83848TSQ |
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