Direct Modulation/Waveform Generating, 6.1 GHz Fractional-N Frequency Synthesizer

GENERAL DESCRIPTION The ADF4158 is a 6.1 GHz, fractional-N frequency synthesizer with modulation and waveform generation capability. It contains a 25-bit fixed modulus, allowing subhertz resolution at 6.1 GHz. It consists of a low noise digital phase frequency detector (PFD), a precision charge

文件：455.54 Kbytes 頁數(shù)：36 Pages

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Direct Modulation/Waveform Generating Fractional-N Frequency Synthesizer

文件：561.71 Kbytes 頁數(shù)：35 Pages

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直接調(diào)制/波形產(chǎn)生6.1 GHz 小數(shù)N分頻頻率合成器

ADF4158是一款具有調(diào)制和波形產(chǎn)生能力的6.1 GHz小數(shù)N分頻頻率合成器，包含25位固定模數(shù)，可在6.1 GHz下提供次赫茲頻率分辨率。它由低噪聲數(shù)字鑒頻鑒相器(PFD)、精密電荷泵和可編程參考分頻器組成。該器件內(nèi)置一個Σ-Δ型小數(shù)插值器，能夠?qū)崿F(xiàn)可編程模數(shù)小數(shù)N分頻。INT和FRAC寄存器可構(gòu)成一個總N分頻器(N = INT + (FRAC/225)。?? \n\n ADF4158可用于實現(xiàn)頻移鍵控(FSK)和相移鍵控(PSK)調(diào)制?？捎玫念l率掃描模式也有很多，可在頻域內(nèi)產(chǎn)生各種波形，例如鋸齒波和三角波。ADF4158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)路濾波 ? RF 帶寬達6.1 GHz\n\n? 25位固定模數(shù)可提供次赫茲頻率分辨率 \n\n? 頻率與相位調(diào)制能力 \n\n? 頻域中的鋸齒波和三角波 \n\n? 拋物線斜坡\n\n? 斜坡與FSK疊加 \n\n? 具有兩種不同掃頻頻率的斜坡\n\n? 斜坡延遲\n\n? 斜坡頻率回讀;

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Direct Modulation/Waveform Generating, 6.1 GHz Fractional-N Frequency Synthesizer

GENERAL DESCRIPTION The ADF4158 is a 6.1 GHz, fractional-N frequency synthesizer with modulation and waveform generation capability. It contains a 25-bit fixed modulus, allowing subhertz resolution at 6.1 GHz. It consists of a low noise digital phase frequency detector (PFD), a precision charge

文件：455.54 Kbytes 頁數(shù)：36 Pages

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亞德諾

Direct Modulation/Waveform Generating, 6.1 GHz Fractional-N Frequency Synthesizer

GENERAL DESCRIPTION The ADF4158 is a 6.1 GHz, fractional-N frequency synthesizer with modulation and waveform generation capability. It contains a 25-bit fixed modulus, allowing subhertz resolution at 6.1 GHz. It consists of a low noise digital phase frequency detector (PFD), a precision charge

文件：455.54 Kbytes 頁數(shù)：36 Pages

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Direct Modulation/Waveform Generating Fractional-N Frequency Synthesizer

文件：561.71 Kbytes 頁數(shù)：35 Pages

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Direct Modulation/Waveform Generating Fractional-N Frequency Synthesizer

文件：561.71 Kbytes 頁數(shù)：35 Pages

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亞德諾

Direct Modulation/Waveform Generating Fractional-N Frequency Synthesizer

文件：561.71 Kbytes 頁數(shù)：35 Pages

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亞德諾

Direct Modulation/Waveform Generating Fractional-N Frequency Synthesizer

文件：561.71 Kbytes 頁數(shù)：35 Pages

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亞德諾

Direct Modulation/Waveform Generating Fractional-N Frequency Synthesizer

文件：561.71 Kbytes 頁數(shù)：35 Pages

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