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Position:IcFull.com » IC Electronic information » AD9226AST Datasheet Pdf

AD9226AST DataSheet Pdf

Width of the frequency synthesizer used in frequency than the design of CMOS programmable divider

In Electronic Infomation Category: W | on April 28,2011

High-speed, wide frequency range of programmable frequency divider design is the RF frequency synthesizer design difficulties, it is the work of the speed limit of the frequency synthesizer output signal of the highest frequency, its phase noise frequency synthesizer band phase noise device. In this paper, the design of programmable divider tuner for mobile digital TV receiver chip that is compatible with the DVB-H, DAB standard, the receiving band covers 460 ~ 900 MHz, 1 400 ~ 1 500 MHz these two bands. According to the chip system design, the operating frequency is programmable divider 2.4 ~ 4.0 GHz, the divide ratio to achieve the range of 240 to 400, and AD9226AST datasheet and is continuous. Including the current high-speed programmable divider prescaler based on dual-mode pulse swallow frequency divider, a...

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