Low-Flicker-Noise and High-Gain Mixer Using a Dynamic Current-Bleeding Technique
- Authors
- Lee, Ji-Young; Yun, Tae-Yeoul
- Issue Date
- Aug-2017
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- CMOS mixer; current reuse; dynamic current bleeding (DCB); flicker; folded
- Citation
- IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, v.27, no.8, pp.733 - 735
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
- Volume
- 27
- Number
- 8
- Start Page
- 733
- End Page
- 735
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/19501
- DOI
- 10.1109/LMWC.2017.2723979
- ISSN
- 1531-1309
- Abstract
- This letter presents a low-flicker-noise and high-gain folded-type mixer using current-reuse and dynamic current-bleeding (DCB) techniques. The current-reuse structure allows the use of the current-bleeding (CB) technique in the foldedt-ype mixer. A local oscillator signal at the IF port dynamically switches the CB circuit, which results in a low flicker noise and high gain. Because the DCB circuit is composed of a common-mode negative-feedback structure, it stabilizes the linearity and noise figure (NF) for process variation and mismatch. The measurements show a double-sideband NF of 8.2 dB at an IF of 10 kHz and a conversion gain of 24.1 dB at 2.1 GHz, while the mixer consumes 2.1 mW from a supply voltage of 1.2 V.
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