A 53–78 GHz complementary push–push frequency doubler with implicit dual resonance for output power combining

X Wu, Z Kang, Y Wang, L Wu - IEEE Transactions on Circuits …, 2022 - ieeexplore.ieee.org
This paper presents a millimeter-wave (mmW) frequency doubler based on complementary
push-push (CPP) configuration achieving wideband, low-power and high-efficiency …

Analysis and linearization of frequency-multiplier-based RF beamforming transmitters over a wide steering range

AB Ayed, I Jaffri, M ElAdwy, AM Darwish… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This article first analyzes the nonlinear behavior of frequency-multiplier (FM)-based radio
frequency (RF) beamforming transmitters TXs) over a wide range of steering angles. Then …

A 60 GHz low phase noise VCO with second harmonic tail extraction in 40-nm CMOS

ID Psycharis, V Tsourtis, G Kalivas - AEU-International Journal of …, 2024 - Elsevier
This work presents a 60 GHz continuously adjustable mm-wave cross-coupled voltage−
controlled oscillator (VCO) utilizing an innovative frequency doubling technique in 40 nm …

A 120-GHz Class-F Frequency Doubler With 7.8-dBm POUT in 55-nm Bulk CMOS

Z Yang, K Ma, F Meng, B Liu - IEEE Journal of Solid-State …, 2023 - ieeexplore.ieee.org
This article analyzes the 2nd-order harmonic power generation with power level boosted by
fundamental and 3rd-order harmonic based on the Krummenacher–Vittoz (EKV) models …

A CMOS complementary common gate capacitive cross-coupled frequency doubler

J Jang, H Lim, TW Kim - … on Circuits and Systems II: Express …, 2022 - ieeexplore.ieee.org
This brief proposes a complementary common gate frequency doubler with a cross-coupling
technique for conversion gain enhancement. The proposed frequency doubler enables a …

Proof-of-concept of millimeter-wave RF beamforming transmitter architecture employing frequency-multiplier-based up-converters

AB Ayed, I Jaffri, AM Darwish, P Mitran… - IEEE Microwave and …, 2022 - ieeexplore.ieee.org
This letter proposes a millimeter-wave (mm-wave) RF beamforming transmitter (TX)
architecture that employs frequency multipliers (FMs) as frequency up-converters to avoid …

A Frequency Doubler With Second Harmonic Feedback for Wideband, Efficient Frequency Multiplication at Millimeter-Wave

A Aghighi, M Essawy… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Frequency multipliers are widely used in scalable millimeter-wave (mm-wave) arrays in
communication and radar. This article presents an mm-wave frequency doubler (FDB) …

Digital Predistortion of Frequency Multiplier-Based Vector Signal Sources With Constrained Transmitter and Observation Receiver Bandwidth

AB Ayed, I Jaffri, AM Darwish, P Mitran… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This article proposes a novel digital predistortion (DPD) scheme to linearize frequency
multiplier (FX)-based vector signal sources that are subject to constrained transmitter and …

A 43–84 GHz, Wideband Frequency Doubler with a Symmetric, AC-Terminated Transformer Balun

W Lim, A Moradinia, S Lee, JW Teng… - 2024 IEEE/MTT-S …, 2024 - ieeexplore.ieee.org
This paper presents a frequency doubler with wide tuning range, high efficiency, and high
harmonic rejection ratio for E,VI and U-band applications. A novel transformer balun …

A V-Band 16% Efficiency Frequency Doubler-Based RF Beamforming Front-End Module for Vector Modulated Signal Transmission

M Eladwy, AB Ayed, AM Darwish… - 2023 53rd European …, 2023 - ieeexplore.ieee.org
This paper presents a millimeter-wave frequency multiplier (FM)-based RF beamforming
front-end (FE) suitable for high-frequency vector signal transmission. The design …