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Flicker Noise Improved CMOS Mixer Using Feedback Current Bleeding
- Authors
- Lee, Ji-Young; Park, Ji-Ye; Yun, Tae-Yeoul
- Issue Date
- Aug-2017
- Publisher
- Institute of Electrical and Electronics Engineers
- Keywords
- Current bleeding; direct conversion; flicker noise; mixer; negative feedback
- Citation
- IEEE Microwave and Wireless Components Letters, v.27, no.8, pp 730 - 732
- Pages
- 3
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- IEEE Microwave and Wireless Components Letters
- Volume
- 27
- Number
- 8
- Start Page
- 730
- End Page
- 732
- ISSN
- 1531-1309
1558-1764
- Abstract
- A CMOS mixer using a negative-feedback current-bleeding circuit is presented with low flicker noise and robustness to process-voltage-temperature variations. The proposed technique reduces the common-mode flicker noise generated by the RF transconductance stage and the current-bleeding circuit, thus reducing conversion to the differential-mode flicker noise caused by mismatch and process variations. In addition, the proposed technique achieves stability against the voltage and temperature variations due to the negative feedback. Measurement results show a voltage conversion gain of 19 dB, an IIP3 of -7 dBm, and a flicker-noise figure of 14.2 dB at 10 kHz. The proposed mixer dissipates 3 mW from a 1.3 V supply voltage.
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Related Researcher
- Yun, Tae Yeoul
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)