High gain/power quotient variable‐gain wideband low‐noise amplifier for capsule endoscopy application | Zendy

Iji Ayobami | Zendy; Zhu Xi | Zendy; Heimlich Michael | Zendy

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High gain/power quotient variable‐gain wideband low‐noise amplifier for capsule endoscopy application

Author(s) -

Iji Ayobami,

Zhu Xi,

Heimlich Michael

Publication year - 2012

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.27111

Subject(s) - wideband , noise figure , impedance matching , electronic engineering , electrical engineering , bandwidth (computing) , low noise amplifier , amplifier , engineering , cmos , electrical impedance , telecommunications

An implantable high gain/power quotient variable‐gain wideband low‐noise amplifier (LNA) suitable for capsule endoscopy application is implemented in a 0.25 μm silicon‐on‐insulator CMOS process. With a current‐reused topology and wideband matching network, the presented LNA exhibits peak gain of 13.8 dB, 2.3 dB noise figure, more than 1 GHz bandwidth and 5 dB gain tuning range with good input and output impedance matching. The LNA consumes only 1.8 mW DC power from a supply voltage of 1.5 V. An excellent average gain/power quotient of 6.8 dB/mW is achieved. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:2563–2565, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27111

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