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A 13 dB IIP3 improved low-power CMOS RF programmable gain amplifier using differential circuit transconductance linearization for various terrestrial mobile D-TV applications

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5 Author(s)
Tae Wook Kim ; Dept. of Electr. Eng. & Comput. Sci., KAIST, Gyounggi-do, South Korea ; Bonkee Kim ; Youngho Cho ; Boeun Kim
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A CMOS RF digitally programmable gain amplifier, covering various terrestrial mobile digital TV standards (DMB, ISDB-T, and DVB-H) is implemented. 13 dB IIP3 improvement is attained without losing out on other performance criteria like gain, NF, CMRR, etc. at similar power consumption. This is achieved by applying a newly proposed differential circuit gm" cancellation technique. The IC exhibits 55 dB gain range with 0.25 dB resolution, 4.5 dB NF; a -4 dBm IIP3 (maximum 30 dBm) and 25 dB gain at 16mW power consumption.

Published in:

VLSI Circuits, 2005. Digest of Technical Papers. 2005 Symposium on

Date of Conference:

16-18 June 2005