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RF和IF放大器

Analog Devices,Inc.,（ADI公司）利用其业界领先的放大器，同时结合RF IC设计经验，开发出丰富多样的单端输入/输出固定增益RF/IF放大器，工作频率为低频至最高6 GHz，包括增益模块、低噪声放大器、中频放大器、驱动器放大器和功率放大器。这些器件提供高线性、低噪声系数和多种固定增益选项，功耗低，并且能在整个频率、温度和电源电压范围内提供额定性能，适合各种蜂窝、医疗和仪器仪表应用。无论您有何种放大器设计需求，ADI公司均可提供适当的解决方案。

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RF/IF Amplifiers
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Part#
Results: 18
Frequency Range (MHz)Gain (dB)Output IP3 (dBm)1 dB Comp Point (dBm)Noise Figure (dB)Supply Current Specs @ (MHz)FunctionPackagePrice* (1000-4999)
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AD83531 to 270019.823.69.15.341mA900Gain Block8-Lead LFCSP $0.49
AD83541 to 270019.5194.64.223mA900Gain Block8-Lead LFCSP $0.49
ADL5320400 to 270013.74225.74.4104mA2140DriverSOT-89 $2.58
ADL53212300 to 4000144125.7490mA2600DriverSOT-89 $2.58
ADL5322700 to 100019.945.327.95320mA900Driver8-Lead LFCSP $3.52
ADL53231700 to 240019.543.5285320mA2140Driver8-Lead LFCSP $3.52
ADL5521400 to 400020.83721.80.960mA900LNA8-Lead LFCSP $2.18
ADL5523400 to 400021.534210.860mA900LNA8-Lead LFCSP $2.18
ADL5530dc to 100016.83721.83110mA190IFA8-Lead LFCSP $1.58
ADL553120 to 50020.94120.42.5100mA70IFA8-Lead LFCSP $1.87
ADL553420 to 5002140.420.42.598mA70Dual IFA16-Lead LFCSP $3.00
ADL554150 to 600014.739.216.33.890mA2000Gain Block8-Lead LFCSP $1.67
ADL554250 to 600018.739183.293mA2000Gain Block8-Lead LFCSP $1.67
ADL55702300 to 240029-31-130mA2350Pwr Amp w/ Power Control 16-Lead LFCSP $5.06
ADL55712500 to 270029-31-135mA2600WiMAX Power Amplifier16-Lead LFCSP $5.06
ADL560150 to 40001543193.785mA900Gain Block3-Lead SOT-89 $1.75
ADL560250 to 400019.54219.33.389mA2000Gain BlockSOT-89 $1.75
ADL5604400 to 270014.242.6294.2325mA2140Driver16-Lead LFCSP**
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Gain Blocks

Gain blocks are general-purpose broadband amplifiers that operate from low frequencies up to 6 GHz. All devices are 50 Ω internally matched with integrated internal bias circuitry, therefore minimizing the need for external components. Note that the 10 dB separation rule between P1dB and OIP3 no longer applies due to internal linearization circuitry. ADI’s gain blocks are fully ESD rated at 1 kV Class 1C or higher, and are available in the smallest footprint LFCSP packaging as well as in the industry standard SOT-89 package.

Driver Amplifiers

ADI’s driver amplifier family offers the highest linearity for a given output power to enable low distortion and high output drive directly to the power amplifier stages. This family offers unprecedented flexibility with both narrow- and broadband solutions that incorporate internal active biasing. The narrowband parts are also internally matched to further reduce the external component count. The broadband drivers enable the user to tune the amplifier with a minimal number of external components to a desired frequency range with industry-leading linearity and minimal current consumption. Find one that suits your design needs here:

  • ADL5320
  • ADL5321
  • ADL5322
  • ADL5323
  • ADL5604

    • Low Noise Amplifiers (LNAs)

    As the first amplifier in the receive path, the LNA is a critical component in defining overall system performance and must be able to successfully amplify very low level signals without adding a significant amount of noise. ADI’s LNA family sets an industry performance benchmark by operating from 400 MHz to 4 GHz while achieving a low noise figure with the optimum amount of gain and current consumption. The new LNA family includes integrated active bias circuitry, requires minimal external matching components, and is available in the smallest footprint LFCSP packaging.

    • ADL5521: 400 MHz to 4000 MHz Low Noise Amplifier
    • ADL5523: 400 MHz to 4000 MHz Low Noise Amplifier

    Intermediate Frequency Amplifiers (IFAs)

    Designed to operate in the IF frequency range typically below 500 MHz, ADI’s family of single- and dual-channel IFAs are fully specified and characterized to support applications across he most commonly used IF frequencies of 70 MHz, 140 MHz, 240 MHz, and 380 MHz. The new IFA amplifier family provides the highest linearity specifications and is supplied within the smallest footprint LFCSP packaging. Furthermore, ADI’s IFAs integrate active bias circuitry, require minimal external matching components, and support 1 kV Class 1C ESD. Find one that suits your design needs here:

    • ADL5530: DC to 1000 MHz IF Gain Block
    • ADL5531: 20 MHz to 500 MHz IF Gain Block
    • ADL5534 (Dual): 20 MHz to 500 MHz IF Amplifier

    Power Amplifiers

    A RF power amplifier converts a low-power radio frequency signal into a larger signal of significant power, typically for driving the antenna of a transmitter. ADI’s power amplifiers are optimized to have industry-leading efficiency, output power compression (P1dB), return loss on the input and output, gain and heat dissipation. Find one that suits your design needs here:

    • ADL5570: 2.3 GHz to 2.4 GHz WiMAX Power Amplifier
    • ADL5571: 2.5 GHz to 2.7 GHz WiMAX Power Amplifier