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 頁數(shù)：28 Pages

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小數(shù)N/整數(shù)N分頻PLL頻率合成器

ADF4151結(jié)合外部電壓控制振蕩器(VCO)、環(huán)路濾波器和外部基準頻率使用時，可實現(xiàn)小數(shù)N分頻或整數(shù)N分頻鎖相環(huán)(PLL)頻率合成器。\n\n 它能夠與外部VCO器件配合使用，且與ADF4350尺寸兼容、軟件兼容。該器件由低噪聲數(shù)字鑒頻鑒相器(PFD)、精密電荷泵和可編程參考分頻器組成。它內(nèi)置一個Σ-Δ型小數(shù)插值器，能夠?qū)崿F(xiàn)可編程小數(shù)N分頻。INT、FRAC和MOD寄存器可構(gòu)成一個總N分頻器[N = (INT + (FRAC/MOD))]。RF輸出相位可通過編程設(shè)置，適合要求輸出與基準之間存在特定相位關(guān)系的應(yīng)用。ADF4151還具有周跳減少電路，可進一步縮短鎖定時間，而無需修改環(huán)路 ? 小數(shù)N分頻頻率合成器和整數(shù)N分頻頻率合成器\n\n? RF帶寬達3.5 GHz \n\n? 3.0 V至3.6 V電源供電\n\n? 1.8 V邏輯兼容 \n\n? 獨立的電荷泵電源(VP)可在3 V系統(tǒng)中提供擴展的調(diào)諧電壓（最高可達5.5 V）;

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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 頁數(shù)：29 Pages

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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 頁數(shù)：29 Pages

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亞德諾

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 頁數(shù)：29 Pages

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亞德諾

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 頁數(shù)：29 Pages

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亞德諾

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 頁數(shù)：29 Pages

AD

亞德諾

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 頁數(shù)：29 Pages

AD

亞德諾

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 頁數(shù)：29 Pages

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亞德諾

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 頁數(shù)：28 Pages

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