Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Chul Woo Byeon"'
Publikováno v:
IEEE Access, Vol 12, Pp 168010-168017 (2024)
In this paper, we present a 6-stage 120 GHz hybrid low noise amplifier (LNA) for sub-THz radar systems. To enhance the noise figure (NF) and gain performance of the LNA, we propose a hybrid architecture that utilizes a combination of 2-stage single-e
Externí odkaz:
https://doaj.org/article/60e14195fd594c149cbaaac1f174327f
Publikováno v:
IEEE Access, Vol 9, Pp 138571-138579 (2021)
We investigated the impact of window penetration loss (WinPL) on the frequency dependence of building entry loss (BEL) from 3.5 to 24 GHz. The WinPL characteristics of an ideal double-glazed glass and an actual double-glazed window were simulated and
Externí odkaz:
https://doaj.org/article/aab0d11877774290ad5e9bc91e30d1cb
Publikováno v:
IEEE Microwave and Wireless Technology Letters. 33:59-62
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 42:514-524
This paper presents a 120-GHz wideband phase-compensated variable gain amplifier (VGA) with a p-type metal–oxide–semiconductor (PMOS) switch using a 40-nm CMOS process. By applying a PMOS switch to the common source (CS) amplifier, the gain of th
Publikováno v:
IEEE Access, Vol 9, Pp 138571-138579 (2021)
We investigated the impact of window penetration loss (WinPL) on the frequency dependence of building entry loss (BEL) from 3.5 to 24 GHz. The WinPL characteristics of an ideal double-glazed glass and an actual double-glazed window were simulated and
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 68:5395-5407
This study presents the design and analysis of a 60-GHz low-power active vector-sum phase shifter with 5-bit phase resolution. An impedance-invariant variable gain amplifier (VGA) is proposed and applied to the vector modulator. The proposed VGA not
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 67:1710-1714
This brief presents a low-power-consuming and low-phase-noise 10 GHz voltage-controlled oscillator (VCO) using the 65 nm CMOS technology. We propose a new structure for the VCO using a center-tap transformer and stacked transistor, which realizes neg
Publikováno v:
Microwave and Optical Technology Letters. 62:3785-3790
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 68:2902-2910
This article presents a high data rate, high-efficiency 60-GHz on–off keying (OOK) CMOS transmitter and receiver. The transmitter consists of a voltage-controlled oscillator (VCO) and a modulator. The receiver consists of a low-noise amplifier, det
Publikováno v:
IEEE Microwave and Wireless Components Letters. 30:508-511
A CMOS power-efficient injection-locked (IL) frequency multiplier chain is presented in this letter. An input IL oscillator buffer, frequency tripler, and IL oscillator buffer were cascaded and designed under an optimum $V_{\mathrm {DD}}$ to achieve