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Linearity analysis of CMOS for RF application
The linearity of CMOS is analyzed. Transconductance and output conductance are two dominant nonlinear sources of CMOS. Capacitances and substrate leakage network do not generate any significantExpand
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Investigation of a Class-J Power Amplifier With a Nonlinear $C_{\rm out}$ for Optimized Operation
This paper presents the operation principle of Class-J power amplifiers (PAs) with linear and nonlinear output capacitors (Couts). The efficiency of a Class-J amplifier is enhanced by the nonlinearExpand
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Advanced Doherty Architecture
For modulated signals with a high peak-to-average power ratio (PAPR), the transmitter has to be operated with its average output power backed off for an acceptable linearity at the expense of lowExpand
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Adaptive Digital Feedback Predistortion Technique for Linearizing Power Amplifiers
  • Y. Woo, J. Kim, +4 authors B. Kim
  • Computer Science
  • IEEE Transactions on Microwave Theory and…
  • 7 May 2007
We have developed a new adaptive digital predistortion (DPD) linearization technique based on analog feedback predistort (FBPD). Expand
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A New RF CMOS Gilbert Mixer With Improved Noise Figure and Linearity
The noise figure of an RF CMOS mixer is strongly affected by flicker noise. The noise figure can be improved using pMOS switch circuits, which insert current at the on/off crossing instants of theExpand
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The Doherty Power Amplifier: Review of Recent Solutions and Trends
In this paper, an extensive review of the most up-to-date papers on microwave Doherty power amplifiers is presented. The main applications are discussed, together with the employed semiconductorExpand
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Highly Linear mm-Wave CMOS Power Amplifier
A Ka-band highly linear power amplifier (PA) is implemented in 28-nm bulk CMOS technology. Using a deep class-AB PA topology with appropriate harmonic control circuit, highly linear and efficient PAsExpand
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Efficient Digital Quadrature Transmitter Based on IQ Cell Sharing
In this paper, we proposed and designed a digitally configured versatile RF quadrature transmitter. Expand
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Analysis and experiments for high-efficiency class-F and inverse class-F power amplifiers
This paper presents analytic and experimental comparisons for high-efficiency class-F and inverse class-F amplifiers. The analytic formula of the efficiencies, output powers, dc power dissipations,Expand
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Accurate dB-Linear Variable Gain Amplifier With Gain Error Compensation
This paper describes use of a novel exponential approximation for designing dB-linear variable gain amplifiers (VGAs). Expand
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