A 20 Mb/s phase modulator based on a 3.6 GHz digital PLL with− 36 dB EVM at 5 mW power

G Marzin, S Levantino, C Samori… - IEEE Journal of Solid …, 2012 - ieeexplore.ieee.org
This paper presents a low-power high-bit-rate phase modulator based on a digital PLL with
single-bit TDC and two-point injection scheme. At high bit rates, this scheme requires a …

A 2.4-GHz 20–40-MHz channel WLAN digital outphasing transmitter utilizing a delay-based wideband phase modulator in 32-nm CMOS

A Ravi, P Madoglio, H Xu… - IEEE Journal of Solid …, 2012 - ieeexplore.ieee.org
A digital outphasing transmitter is presented for 2.4-GHz WiFi. The transmitter consists of two
delay-based phase modulators and a 26-dBm integrated switching class-D power amplifier …

Wideband beamforming with rainbow beam training using reconfigurable true-time-delay arrays for millimeter-wave wireless [feature]

CC Lin, V Boljanovic, H Yan, E Ghaderi… - IEEE circuits and …, 2022 - ieeexplore.ieee.org
The decadal research in integrated true-time-delay arrays have seen organic growth
enabling realization of wideband beamformers for large arrays with wide aperture widths …

Low-jitter multi-output all-digital clock generator using DTC-based open loop fractional dividers

A Elkholy, S Saxena, G Shu, A Elshazly… - IEEE Journal of Solid …, 2018 - ieeexplore.ieee.org
An all-digital reconfigurable multi-output clock generator is presented. A digital phase-
locked loop provides a high-frequency clock to multiple independent open loop ΔΣ fractional …

CMOS transmitters for 2.4-GHz RF devices: Design architectures of the 2.4-GHz CMOS transmitter for RF devices

TI Badal, MBI Reaz, MAS Bhuiyan… - IEEE Microwave …, 2018 - ieeexplore.ieee.org
The fully integrated complementary metal-oxide-semiconductor (CMOS) transmitter (Tx), an
essential component in every wireless communication system, ensures highly efficient …

A Multi-Frequency Multi-Standard Wideband Fractional- PLL With Adaptive Phase-Noise Cancellation for Low-Power Short-Range Standards

Y Zhang, JH Mueller, B Mohr, L Liao… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
This paper presents a wideband fractional-N frequency synthesizer design with a low-effort
adaptive calibration technique for ΣΔ quantization noise cancellation. After adopting from the …

Low-Power Process and Temperature-Invariant Constant Slope-and-Swing Ramp-Based Phase Interpolator

S Mohapatra, CC Lin, S Gupta… - IEEE Journal of Solid …, 2023 - ieeexplore.ieee.org
This article presents a process-and temperature-invariant high-resolution and highly linear
low-power phase interpolator (PI) as an enabler for discrete-time spatial signal processors …

Polar quantizer for wireless receivers: Theory, analysis, and CMOS implementation

P Nazari, BK Chun, F Tzeng… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
This paper presents the theory and analysis of IF polar receiver (PRX) architecture. By using
new quantization techniques in the polar domain, the proposed receiver can boost the …

Reduction of aliasing effects of RF PWM modulated signals by cross point estimation

D Seebacher, P Singerl, C Schuberth… - … on Circuits and …, 2014 - ieeexplore.ieee.org
The trend in transmitter systems is to move the digital domain closer toward the antenna
using digital modulators and drivers to reduce circuit complexity and to save power. One …

Design and Analysis of a Fractional Frequency Synthesizer With 90-fs Jitter and 103-dBc Spurious Tones Using Digital Spur Cancellation

M Zeinali, SY Hung, S Pamarti - IEEE Journal of Solid-State …, 2024 - ieeexplore.ieee.org
In this article, we describe an advanced multi-output fractional frequency synthesizer (FFS)
featuring an innovative digital spur cancellation technique. This technique not only …