This paper presents a millimeter-wave fully differential transformer-based passive reflection-
type phase shifter (RTPS) capable of performing full span 360° continuous phase shift from …

This paper presents a transformer-based poly-phase network to generate fully differential
quadrature signals with low loss, compact area, and high-precision magnitude and phase …

This paper presents a digitally programmable bi-directional 7-bit passive phase shifter in a
65 nm CMOS technology. The core of this passive vector-synthesized phase shifter is a …

A 6-bit high-accuracy active phase shifter is developed in 0.13-μm CMOS technology for Ku-
band phased arrays. Improved transformer balun with wriggly stub is applied to split the …

This brief presents a new vector sum phase shifter topology utilizing a current mode RC poly
phase filter along with several current steering variable gain amplifiers. The phase shifter …

In this paper, a wideband vector-sum phase shifter with phase linearity enhancement
technology is proposed to minimize phase error. The digital phase shifter synthesizes the …

This paper presents a 21 to 30-GHz merged passive vector sum phase shifter (PS) and
programmable gain amplifier (PGA) with sub-degree phase resolution for 5-G phased array …

This paper presents a 32-40GHz 7-bit programmable passive vector synthesis phase shifter
in 65 nm CMOS. It mainly consists of a compact differential hybrid quadrature generator …

This brief presents a new digitally assisted vector-summing phase shifter (DA-VSPS)
featuring high accuracy and enhanced linearity. It begins by highlighting the RF …

This brief presents a 24–28-GHz variable-gain phase shifter (VG-PS) and a geometric-
projection-based three-point calibration scheme. The VG-PS achieves a 360° phase-shifting …