RF PLL Frequency Synthesizers

GENERAL DESCRIPTION The ADF4110 family of frequency synthesizers can be used to implement local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters. They consist of a low noise digital PFD (phase frequency detector), a precision charge pump, a progra

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300 MHz to 1000 MHz Quadrature Modulator

GENERAL DESCRIPTION The ADL5370 is the first in the fixed-gain quadrature modulator (F-MOD) family designed for use from 300 MHz to 1000 MHz. Its excellent phase accuracy and amplitude balance enable high performance intermediate frequency or direct radio frequency modulation for communication sy

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400 MHz to 6 GHz Broadband Quadrature Modulator

GENERAL DESCRIPTION The ADL5375 is a broadband quadrature modulator designed for operation from 400 MHz to 6 GHz. Its excellent phase accuracy and amplitude balance enable high performance intermediate frequency or direct radio frequency modulation for communication systems. FEATURES Outpu

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Fractional-N Frequency Synthesizer

GENERAL DESCRIPTION The ADF4153 is a fractional-N frequency synthesizer that implements local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters. It consists of a low noise digital phase frequency detector (PFD), a precision charge pump, and a progr

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單通道、整數(shù)N分頻、4.0 GHz PLL，內(nèi)置可編程預(yù)分頻器和電荷泵

ADF4110系列頻率合成器可以用來(lái)在無(wú)線接收機(jī)和發(fā)射機(jī)的上變頻和下變頻部分實(shí)現(xiàn)本振。上述器件由低噪聲數(shù)字鑒頻鑒相器(PFD)、精密電荷泵、可編程基準(zhǔn)分頻器、可編程A和B計(jì)數(shù)器以及雙模預(yù)分頻器(P/P+1)組成。A（6位）、B（13位）計(jì)數(shù)器與雙模預(yù)分頻器(P/P+1)配合，可實(shí)現(xiàn)N分頻器(N = BP+A)。 \n\n 此外，14位參考分頻器（R分頻器）允許PFD輸入端的REFIN 頻率為可選值。如果頻率合成器與外部環(huán)路濾波器和電壓控制振蕩器(VCO)一起使用，則可以實(shí)現(xiàn)完整的鎖相環(huán)(PLL)。 所有片內(nèi)寄存器均通過(guò)簡(jiǎn)單的三線式接口進(jìn)行控制。這些器件采用2.7 V至5.5 ? ADF4110：550 MHz\n\n? ADF4111：1.2 GHz\n\n? ADF4112：3.0 GHz\n\n? ADF4113：4.0 GHz\n\n? +2.7 V至+5.5 V電源供電\n\n? 獨(dú)立的電荷泵電源(VP)可在3 V系統(tǒng)中提供擴(kuò)展的調(diào)諧電壓;

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RF PLL Frequency Synthesizers

GENERAL DESCRIPTION The ADF4110 family of frequency synthesizers can be used to implement local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters. They consist of a low noise digital PFD (phase frequency detector), a precision charge pump, a progra

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RF PLL Frequency Synthesizers

GENERAL DESCRIPTION The ADF4110 family of frequency synthesizers can be used to implement local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters. They consist of a low noise digital PFD (phase frequency detector), a precision charge pump, a progra

文件：263.71 Kbytes 頁(yè)數(shù)：24 Pages

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RF PLL Frequency Synthesizers

GENERAL DESCRIPTION The ADF4110 family of frequency synthesizers can be used to implement local oscillators in the upconversion and downconversion sections of wireless receivers and transmitters. They consist of a low noise digital PFD (phase frequency detector), a precision charge pump, a progra

文件：263.71 Kbytes 頁(yè)數(shù)：24 Pages

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High Voltage Charge Pump, PLL Synthesizer

GENERAL DESCRIPTION The ADF4113HV is an integer-N frequency synthesizer with a high voltage charge pump (15 V). The synthesizer is designed for use with voltage controlled oscillators (VCOs) that have high tuning voltages (up to 15 V). Active loop filters are often used to achieve high tuning vol

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High Voltage Charge Pump, PLL Synthesizer

GENERAL DESCRIPTION The ADF4113HV is an integer-N frequency synthesizer with a high voltage charge pump (15 V). The synthesizer is designed for use with voltage controlled oscillators (VCOs) that have high tuning voltages (up to 15 V). Active loop filters are often used to achieve high tuning vol

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