A Linearization Technique for a Transconductor Using Vertical Bipolar Junction Transistors in a CMOS Process
In: IEEE transactions on microwave theory and techniques, Jg. 61 (2013), Heft 1, S. 195-203
Online
academicJournal
- print, 18 ref 1
Zugriff:
In this paper, a linearization technique for a transconductor using vertical NPN (V-NPN) bipolar junction transistors (BJTs) in a deep n-well CMOS process is proposed to achieve high linearity performance without degrading power efficiency and noise performance. The proposed transconductor consists of a V-NPN BJT pseudodifferential transconductor (PDT) and a V-NPN BJT fully differential transconductor (FDT). The linearity of the proposed transconductor is improved by canceling the negative peak value of gm in the FDT with the positive one in the PDT and by making overall gm of the proposed transconductor close to zero. To verify the proposed linearization method, an RF amplifier and a first-order Gm-C low-pass filter adopting the proposed transconductor are designed and implemented in a 0.18-μm deep n-well CMOS process. The implemented RF amplifier and Gm-C low-pass filter achieve 5.8- and 8.5-dB improvements over conventional circuits in the output-referred third-order intercept point, respectively.
Titel: |
A Linearization Technique for a Transconductor Using Vertical Bipolar Junction Transistors in a CMOS Process
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Autor/in / Beteiligte Person: | KWON, Kuduck ; NAM, Ilku |
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Zeitschrift: | IEEE transactions on microwave theory and techniques, Jg. 61 (2013), Heft 1, S. 195-203 |
Veröffentlichung: | New York, NY: Institute of Electrical and Electronics Engineers, 2013 |
Medientyp: | academicJournal |
Umfang: | print, 18 ref 1 |
ISSN: | 0018-9480 (print) |
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