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RFMD公司生產(chǎn)高性能射頻IC，用于寬帶和電纜通訊領(lǐng)域。生產(chǎn)的產(chǎn)品包括功率放大器、線性放大器、LNA/混合器、求積調(diào)制器/解調(diào)器、上變頻器、前端設(shè)備、開關(guān)和收發(fā)器等。除了提供標(biāo)準(zhǔn)產(chǎn)品外，RFMD公司還為用戶設(shè)計定制產(chǎn)品。公司擁有兩座硅片工廠，其中包括全球最大的GaAsHBT生產(chǎn)廠。公司在美國有設(shè)五個設(shè)計中心。

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射頻混合器

詳細(xì)描述, ,The RFFC5072 is a reconfigurable frequency conversion device with integrated fractional-N phased locked loop (PLL) synthesizer, voltage controlled oscillator (VCO) and a high linearity mixer. The fractional-N synthesizer takes advantage of an advanced sigma-delta modulator that delivers ultra-fine step sizes and low spurious products. The PLL/VCO engine combined with an external loop filter allows the user to generate local oscillator (LO) signals from 85MHz to 4200MHz. The LO signal is buffered and routed to the integrated RF mixer which is used to convert frequencies ranging from 30MHz to 6000MHz. The mixer bias current is programmable and can be reduced for applications requiring lower power consumption. , ,RFFC5072?can be configured to work as a signal source by bypassing the integrated mixer. Device programming is achieved via a simple 3-wire serial interface. In addition, a unique programming mode allows up to four devices to be controlled from a common serial bus. This eliminates the need for separate chip-select control lines between each device and the host controller. Up to six general purpose outputs are provided, which can be used to access internal signals (LOCK signal, for example) or to control front end components. The RFFC5072 operates with a 2.7V to 3.3V power supply. ,特點,85MHz to 4200MHz LO Frequency Range,Fractional-N Synthesizer with Very Low Spurious Levels,Typical Step Size 1.5Hz,Fully Integrated Low Phase Noise VCO and LO Buffers,High Linearity RF Mixer(s),30MHz to 6000MHz Mixer Frequency Range,Input IP3 +23dBm,Mixer Bias Adjustable for Low Power Operation,2.7V to 3.3V Power Supply,Low Current Consumption,3- or 4-Wire Serial Interface

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詳細(xì)描述,The RF7201 is a high-power, high-efficiency, dual-band, linear power amplifier designed for use as final amplification stages in 3V, 50Ω WCDMA mobile cellular equipment and spread-spectrum systems. This PA is developed for UMTS Bands 1 and 8 which operates in the transmit frequency bands from 1920MHz to 1980MHz and 880MHz to 915MHz, respectively. The RF7201 uses two digital control pins to select one of three power modes to optimize performance and current drain at lower power levels. The part also has one integrated directional coupler output which eliminates the need for an external discrete coupler for each band. The RF7201 is fully HSDPA compliant and is assembled on a 14-pin, 4mm x 5mm laminate module.,特點,Dual-Band 1/8 UMTS PA,HSDPA Compliant,Low Voltage Positive Bias Supply (3.0V to 4.2V),High Efficiency Operation: 41% at POUT=+28.0dBm (Band 1) 41% at POUT=+28.5dBm (Band 8) 19% at POUT=+19.0dBm (without DC/DC converter),Low Quiescent Current in Low Power Mode: 16mA,Internal Voltage Regulator Eliminates the Need for External Reference Voltage (VREF),Common VMODE Control Lines Between Bands,3-Mode Power States for Each Band with Digital Control Interface,Supports DC/DC Converter Operation (VCC Pin),Integrated Power Coupler,Integrated Blocking and Collector Decoupling Caps

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產(chǎn)品分類：

詳細(xì)描述,The RF7234 is a high-power, high-efficiency, linear power amplifier designed for use as the final RF amplifier in 3V, 50Ω TD-SCDMA mobile cellular equipment and spread-spectrum systems. This PA is developed for TD-SCDMA 1880MHz to 1920MHz and 2010MHz to 2025MHz frequency band, plus W-CDMA Band 1. The RF7234 has two digital control pins to select one of three power modes to optimize performance and current drain at lower power levels. The part also has an integrated directional coupler which eliminates the need for an external discrete coupler at the output. The RF7234 is fully TD-SCDMA/W-CDMA/HSDPA-compliant and is assembled in a 10-pin, 3mmx3mm module.,特點,TD-SCDMA and HSDPA Compliant,Low Voltage Positive Bias Supply (3.4V to 4.2V),+28dBm Linear Output Power W-CDMA (+26.5dBm HSDPA),+27.5dBm Output Power TD-SCDMA,High Efficiency Operation 35% at POUT=+27.5dBm (TD-SCDMA),20% at POUT=+19.0dBm (Without DC/DC Converter),Low Quiescent Current in Low Power Mode: 17mA,Internal Voltage Regulator Eliminates the Need for External Reference Voltage (VREF),3-Mode Power States with Digital Control Interface,Supports DC/DC Converter Operation,Integrated Power Coupler,Integrated Blocking and Collector Decoupling Capacitors

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產(chǎn)品分類：

詳細(xì)描述,RFMD’s SGC2363Z is a high performance SiGe HBT MMIC amplifier utilizing a Darlington configuration with a patented active-bias network. The active bias network provides stable current over temperature and process Beta variations. Designed to run directly from a 3V supply, the SGC2363Z does not require a dropping resistor as compared to typical Darlington amplifiers. The SGC2363Z is designed for high linearity 3V gain block applications that require small size and minimal external components. It is internally matched to 50Ω. ,特點,Single, Fixed 3V Supply,No Dropping Resistor Required,Patented Self-Bias Circuitry,P1dB = 10.1dBm at 1950MHz,OIP3 = 23dBm at 1950MHz,Robust 1000V ESD, Class 1C HBM

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產(chǎn)品分類：

詳細(xì)描述,The RF5632 is a linear power amplifier IC designed specifically for WiMAX final or driver stage applications. The device is manufactured on an advanced InGaP Heterojunction Bipolar Transistor (HBT) process and is provided in a leadless chip carrier with a backside ground. The RF5632 is designed to maintain linearity over a wide range of temperatures and power outputs. The external match offers tunability for output power over multiple bands. RF5632 features internal input and interstage match power down mode and dual power detectors.,特點,Single 5.0V Power Supply,36dB Small Signal Gain,Supports Low Gain Mode,2.5% EVM WiMAX +28dBm 5.0V,Single Output Power Detector,Multiple Frequency Ranges,High Efficiency

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產(chǎn)品分類：

詳細(xì)描述, ,The RF5643 is a linear power amplifier IC designed specifically for WiMAX final or driver stage applications. This product is an MCM Power Amplifier intently specified to address 700MHz to 3.8GHz WiMAX systems. The device is provided in a leadless chip carrier with a backside ground. The RF5643 is designed to maintain linearity over a wide range of temperatures and power outputs. The external match offers tunability for output power over multiple bands.,特點,11dB Small Signal Gain (Typ.),Supports Low Gain Mode,3% EVM WiMAX +30dBm, 6.0V,Single Output Power Detectors,Multiple Frequency Ranges,High Efficiency

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產(chǎn)品分類：

詳細(xì)描述, ,The RF5643 is a linear power amplifier IC designed specifically for WiMAX final or driver stage applications. This product is an MCM Power Amplifier intently specified to address 700MHz to 3.8GHz WiMAX systems. The device is provided in a leadless chip carrier with a backside ground. The RF5643 is designed to maintain linearity over a wide range of temperatures and power outputs. The external match offers tunability for output power over multiple bands.,特點,11dB Small Signal Gain (Typ.),Supports Low Gain Mode,3% EVM WiMAX +30dBm, 6.0V,Single Output Power Detectors,Multiple Frequency Ranges,High Efficiency

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產(chǎn)品分類：

詳細(xì)描述, ,The RF5652 is a High Power Amplifier that is intently specified to address IEEE 802.11b/g/n WiFi 2.4?GHz to 2.5?GHz customer premises equipment (CPE) applications; and WiMAX (2.5?GHz to 2.7GHz) CPE applications. The PA has a intergrated 3-stage Linear Power Amplier, with 30?dBm (1 Watt) linear power at PA output. This product will be housed in an 5?mm?x?5?mm QFN. ,特點,Single Supply Voltage 5.0?V,37?dB Typical Gain Across Frequency Band,POUT = 30?dBm?3?% EVM,2.4?GHz to 2.7?GHz Frequency Range,Integrated 3-stage PA

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產(chǎn)品分類：

詳細(xì)描述,The RF6281 is a high-power high-efficiency linear amplifier module specifically designed for 3V handheld systems. This amplifier uses a balanced architecture?which makes the PA load insensitive and therefore eliminates the need for an isolator. The device is manufactured on an advanced eighth generation GaAs HBT process and was designed for use as the final RF amplifier in 3V UMTS handheld digital cellular equipment spreadspectrum systems and other applications in the 1710MHz to 1980MHz band? (Bands I II III IV IX). The RF6281 has an analog bias control pin to reduce idle? current at low power levels. The RF6281 is assembled in 16-pin 4mm x 4mm laminate package.,特點,?Multiple Band Coverage (Bands I II III IV IX),?Input/Output Internally Matched at 50Ω,?27dBm Linear Output Power(HSDPA),?35% Peak Linear Efficiency (ULRMC 12.2Kbps),?24% Linear Efficiency at 16dBm,?-40dBc ACLR?at ±5MHz,?Analog Bias Control,?Load Insensitive

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產(chǎn)品分類：

詳細(xì)描述, ,The RF6559 front end module is intended for use in 915MHz AMR solutions. The RF6559 addresses the need for aggressive size reduction for a typical 915MHz AMR front end design and greatly reduces the number of components outside the RF6559 thus minimizing the footprint and assembly cost of the overall solution. The RF6559 contains an integrated three stage Power Amplifier which provides 42dB of Gain and typical Power output of 28dBm. The RF6559 allows for Tx/Rx on a single Antenna via the 2 integrated SPDT switches. Tx filtering, built in Power Detector and a two stage LNA which provides a typical 32dB of Gain round out the inside of this module. All the functionality ofthe RF6559 is packaged in a 28-pin, 6mm?x?6mm laminate package with backside ground. Greatly minimizes next level board space and allows for simplified integration. ,特點,Tx Output Power: 28dBm,Tx Gain: 42dB,Integrated Single Port Rx/Tx 50? Bi-directional Transceiver Interface,LNA with Bypass Mode

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