摘要
SP5730是支持快速I2C总线协议的低噪声PLL频率合成器。其合成频率高达1.3GHz,参考时钟如采用4MHz晶振,最小步长可达8.9kHz。主要应用于数字电视的电缆和地面接收系统。介绍该电路的工作原理及使用方法,并给出它的典型应用。
SP5730 is a single-chip I2C bus low noise frequency synthesizer for tuning system up to 1.3 GHz. The minimum stepsize is 8. 9 kHz based on 4 MHz crystal oscillator. It is optimized for cable of digital TV, terrestrial receiving system. Its operating principle and application method are introduced. The typical application is also given.
出处
《电子元器件应用》
2004年第2期34-37,共4页
Electronic Component & Device Applications
关键词
频率合成器
锁相环
数字电视
应用
frequency synthesizer
PLL
digital television
application
