Fractional-N/Integer-N PLL Synthesizer

GENERAL DESCRIPTION The ADF4151 allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers if used with an external voltage controlled oscillator (VCO), loop filter, and external reference frequency. FEATURES Fractional-N synthesizer and integer-N

文件：462.4 Kbytes 页数：28 Pages

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亚德诺

小数N/整数N分频PLL频率合成器

ADF4151结合外部电压控制振荡器(VCO)、环路滤波器和外部基准频率使用时，可实现小数N分频或整数N分频锁相环(PLL)频率合成器。\n\n 它能够与外部VCO器件配合使用，且与ADF4350尺寸兼容、软件兼容。该器件由低噪声数字鉴频鉴相器(PFD)、精密电荷泵和可编程参考分频器组成。它内置一个Σ-Δ型小数插值器，能够实现可编程小数N分频。INT、FRAC和MOD寄存器可构成一个总N分频器[N = (INT + (FRAC/MOD))]。RF输出相位可通过编程设置，适合要求输出与基准之间存在特定相位关系的应用。ADF4151还具有周跳减少电路，可进一步缩短锁定时间，而无需修改环路 • 小数N分频频率合成器和整数N分频频率合成器\n\n• RF带宽达3.5 GHz \n\n• 3.0 V至3.6 V电源供电\n\n• 1.8 V逻辑兼容 \n\n• 独立的电荷泵电源(VP)可在3 V系统中提供扩展的调谐电压（最高可达5.5 V）;

ADI

亚德诺

10 GHz, Integer-N/Fractional-N PLL Synthesizer

GENERAL DESCRIPTION The ADF41510 is an ultra-low noise frequency synthesizer that can be used to implement local oscillators (LOs) as high as 10 GHz in the upconversion and downconversion sections of wireless receivers and transmitters. The ADF41510 is designed on a high-performance silicon g

文件：2.38147 Mbytes 页数：29 Pages

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亚德诺

10 GHz, Integer-N/Fractional-N PLL Synthesizer

FEATURES ► 1 GHz to 10 GHz bandwidth ► Ultra-low noise phase locked loop (PLL) ► Integer-N = −235 dBc/Hz, fractional-N = −231 dBc/Hz ► High maximum phase frequency detector (PFD) frequency ► Integer-N = 250 MHz, fractional-N = 125 MHz ► 25-bit fixed/49-bit variable fractional modulus mode ►

文件：2.37598 Mbytes 页数：29 Pages

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亚德诺

10 GHz, Integer-N/Fractional-N PLL Synthesizer

FEATURES ► 1 GHz to 10 GHz bandwidth ► Ultra-low noise phase locked loop (PLL) ► Integer-N = −235 dBc/Hz, fractional-N = −231 dBc/Hz ► High maximum phase frequency detector (PFD) frequency ► Integer-N = 250 MHz, fractional-N = 125 MHz ► 25-bit fixed/49-bit variable fractional modulus mode ►

文件：2.37598 Mbytes 页数：29 Pages

AD

亚德诺

10 GHz, Integer-N/Fractional-N PLL Synthesizer

FEATURES ► 1 GHz to 10 GHz bandwidth ► Ultra-low noise phase locked loop (PLL) ► Integer-N = −235 dBc/Hz, fractional-N = −231 dBc/Hz ► High maximum phase frequency detector (PFD) frequency ► Integer-N = 250 MHz, fractional-N = 125 MHz ► 25-bit fixed/49-bit variable fractional modulus mode ►

文件：2.37598 Mbytes 页数：29 Pages

AD

亚德诺

10 GHz, Integer-N/Fractional-N PLL Synthesizer

GENERAL DESCRIPTION The ADF41510 is an ultra-low noise frequency synthesizer that can be used to implement local oscillators (LOs) as high as 10 GHz in the upconversion and downconversion sections of wireless receivers and transmitters. The ADF41510 is designed on a high-performance silicon g

文件：2.38147 Mbytes 页数：29 Pages

AD

亚德诺

10 GHz, Integer-N/Fractional-N PLL Synthesizer

GENERAL DESCRIPTION The ADF41510 is an ultra-low noise frequency synthesizer that can be used to implement local oscillators (LOs) as high as 10 GHz in the upconversion and downconversion sections of wireless receivers and transmitters. The ADF41510 is designed on a high-performance silicon g

文件：2.38147 Mbytes 页数：29 Pages

AD

亚德诺

10 GHz, Integer-N/Fractional-N PLL Synthesizer

FEATURES ► 1 GHz to 10 GHz bandwidth ► Ultra-low noise phase locked loop (PLL) ► Integer-N = −235 dBc/Hz, fractional-N = −231 dBc/Hz ► High maximum phase frequency detector (PFD) frequency ► Integer-N = 250 MHz, fractional-N = 125 MHz ► 25-bit fixed/49-bit variable fractional modulus mode ►

文件：2.37598 Mbytes 页数：29 Pages

AD

亚德诺

Fractional-N/Integer-N PLL Synthesizer

GENERAL DESCRIPTION The ADF4151 allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers if used with an external voltage controlled oscillator (VCO), loop filter, and external reference frequency. FEATURES Fractional-N synthesizer and integer-N

文件：462.4 Kbytes 页数：28 Pages

AD

亚德诺