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应用UMA1014T锁相环合成器设计一个锁相环电路

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  • 标      签: UMA1014 应用

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This application note is intended as a guide to designing a phaselocked loop based on the Philips UMA1014T frequency synthesizerintegrated circuit. The UMA1014T is a low power single chip solutionto frequency synthesis in the range 100 MHz to 1100 MHz and isprimarily intended for use in analogue cellular radio applications.The device comprises of the following functional blocks:• RF dual-modulus prescaler.• RF programmable divider.• Reference oscillator.• Reference programmable divider.• Digital phase comparator.• In-lock detection circuitry.• I2C serial programming interface.
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