Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Quanwen Qi"'
Publikováno v:
IEEE Access, Vol 11, Pp 26224-26236 (2023)
This paper describes an N-path sub-GHz ultra-low power receiver exploiting an N-path notch filter topology in 90nm CMOS process. The receiver achieves the flexibility in the operating frequency due to an adjustable internal impedance matching network
Externí odkaz:
https://doaj.org/article/323742fbecc44d408b8eac152c964add
Autor:
Chenxuan Fan, Zhiming Chen, Zicheng Liu, Xiao Li, Xiaoran Li, Quanwen Qi, Wei Gu, Xinghua Wang
Publikováno v:
IEEE Access, Vol 9, Pp 152646-152656 (2021)
This paper presents a wideband dB-linear variable-gain amplifier (VGA) with a DC-offset cancellation network in a 90-nm CMOS technology for high-speed applications. The VGA consists of a four-stage Cherry-Hooper amplifier, which is based on a feedbac
Externí odkaz:
https://doaj.org/article/a10799da73254bc5aebfcdf1aa1308a2
Publikováno v:
Electronics; Volume 11; Issue 12; Pages: 1833
This paper presents a differential 19.6–39.4 GHz broadband low-noise amplifier (LNA) in 65-nm CMOS technology. The LNA consists of two cascode stage and one common-source stage. To achieve a wide bandwidth and low average noise figure, inter-stage
Publikováno v:
Electronics; Volume 11; Issue 24; Pages: 4111
This paper presents a multi-band ultra-low power (ULP) receiver with N-Path Switched-Capacitor (NPSC) networks in 90 nm CMOS process. The NPSC is integrated into the feedback loop of the low noise amplifier (LNA) to flexibly provide narrowband input
Publikováno v:
Electronics; Volume 11; Issue 19; Pages: 3255
This paper presents a multi-band low-noise amplifier (LNA) in the 45-nm CMOS silicon-on-insulator (SOI) process. The LNA consists of three stages, with the differential cascode amplifier as the core structure. The first stage is mainly responsible fo
Publikováno v:
Electronics; Volume 11; Issue 16; Pages: 2508
In this article, we present an ultra-wideband, fully-differential quadrature signal generation network for 5G applications. The ultra-wideband network is composed of a passive balun and cascaded transformer-based quadrature hybrid. Passive balun conv
Autor:
Zhiming Chen, Quanwen Qi
Publikováno v:
IEEE Microwave and Wireless Components Letters. 28:150-152
This letter proposes a new temperature compensation method that automatically generates the adaptive bias voltage for a microwave amplifier to obtain nearly constant gain over a wide temperature range. The method uses a two-segment polyline to linear