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A ×4 frequency multiplier chip is presented in this paper. The MMIC was realized in a 35-nm mHEMT technology. It contains a chain of two differential frequency doublers followed by an amplifier. A ver...
This paper presents a frequency doubler with wide tuning range, high efficiency, and high harmonic rejection ratio for E, V, and U-band applications. A novel transformer balun architecture is used to ...
Two frequency doublers operating at 220–260 GHz offer high fundamental rejection in a 250-nm Indium Phosphide (InP) HBT process. A second-harmonic termination technique at the input is adopted in both...
In this paper, a mode-extended non-Z₀ pseudo-Doherty load modulated balanced amplifier (N-PD-LMBA) by utilizing a non-Z₀ termination is presented for enhanced load modulation of the balanced amplifier...
The introduction of the Load Modulated Balanced Amplifier (LMBA) by Prof Cripps in 2016 has opened a new direction of research that has led already to many different variants of the architecture, usin...
This paper presents a millimeter-wave (mmW) bi-directional Gilbert-cell mixer with low conversion loss (CL) and local oscillating (LO) power in a 90-nm CMOS process. The proposed double-balanced mixer...
This article presents a wideband load modulated balanced amplifier (LMBA) with harmonic tuned using composite right-/left-handed transmission line (CRLH TL) stub. The LMBA is capable of wideband and h...
Transmission of emerging signals with complex constellations, wide bandwidths and high PAPR requires attention to linearity and high backoff efficiency. This presentation discusses linearity requireme...
mm-Wave 5G NR OFDM signals can have up to 12dB PAPR and 2000MHz channel bandwidth, posing significant linearity, efficiency, and speed challenges for PA design. Doherty PA architecture has emerged as ...
Novel types of high-efficiency broadband dual-input Outphasing PAs (OPA) have emerged. They are realized by exploiting the design space provided by the 2D continuum of high-efficiency load-pulling mod...