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GaAs FET Amplifier

 

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RF amplifiers are devices that accept a varying input signal and produce an output signal that varies in the same way, but with larger amplitude.
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  • M524: Suggested Circuit Controller for a Dual-Control FET VVA in AGC Temp Comp
    This application note describes a useful broadband technique of temperature compensation for GaAs FET amplifiers. A control circuit is given for use with M/A-COM's dual bias 20 dB attenuator MMIC. Although the transfer function for attenuator control is non-linear, reasonably good results have been
  • Using the TC1142 for Biasing a GaAs Power Amplifier
    frequency, higher breakdown voltage, lower noise figure, and higher power-added efficiency. This translates to lower power dissipation and longer talk time for cellular subscribers. Single Cell Li-Ion Battery and High-Side FET Switch. Using the TC1142 for Biasing a GaAs Power Amplifier
  • Amplifier Specifications Definitions
    and Current Consumption. Addition Specifications. · Gain Variation vs.Temperature. · Overall Gain Window. · Intercept Point. · Dynamic Range. · Harmonic Suppression. · Reverse Isolation. · Phase andAmplitude Matching andTracking. · Phase Linearity. · Recovery from Saturation. GaAs FET AMPLIFIERS
  • TA028: GaAs MMIC Processes Enable Multi-Function Integration, Increasing Reliability While Reducing Chip Size and Cost
    FET noise figure is under 1.5 dB at 18 GHz. Functions that can readily be integrated to form multi-function MMICs are variable gain. amplifiers, microwave switches through Ka band, and mixers through millimeter-wave (e.g.,. IF upconverters, RF downconverters, subharmonically-pumped single-sideband
  • Trends in Microwave/Millimeter-Wave Front-End Technology
    , linear millimeter-wave power amplifiers for point-to-point radio links, millimeter wave switches using GaAs PIN diodes, and combining GaAs HBT, PHEMT, and VPIN technology in a 77-GHz Tx/Rx front-end for automotive radar. Finally, future GaN HEMT technology is showcased by discrete transistors
  • TA047: High Voltage, Low Cost FETs for HPA MMIC Applications
    power density at 65 percent poweradded efficiency (PAE) while operating at 14 GHz and 10 V drain voltage. Using this process, the company supplies some of the highest power GaAs MMICs available. The practical power limit for a MSAG high power amplifier (HPA) is set by the ability to implement

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