MMIC PAM applied with pre‐distorter having independent operation of nonlinear signal | Zendy

Oh InnYeal | Zendy; Kim KiByoung | Zendy; Ra KeukHwan | Zendy; Park ChulSoon | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Premium

MMIC PAM applied with pre‐distorter having independent operation of nonlinear signal

Author(s) -

Oh InnYeal,

Kim KiByoung,

Ra KeukHwan,

Park ChulSoon

Publication year - 2008

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.23235

Subject(s) - amplifier , electrical engineering , wibro , linearity , heterojunction bipolar transistor , engineering , electronic engineering , predistortion , linearizer , wireless broadband , wireless , cmos , telecommunications , transistor , voltage , wireless network , bipolar junction transistor

A dynamic pre‐distorter with two paths to set nonlinear signal level and phase encourages power amplifier module (PAM) for wireless broadband (Wibro) service to enhance linearity. We proposed a linearizer having a new IM generator, which is made up of the InGaP/GaAs HBT operated at saturation region of a common collector circuit. The targeted Wibro PAM is designed using InGaP/GaAs HBT technology, and the pre‐distorter, drive and power amplifier are fully integrated in single chip within 960 × 2400 μm. Even though PAM is designed to have just a 5‐dB back‐off, PAM is compatible with linearity standards up to maximum output power 21 dBm, and has a 17.5% efficiency by having a low leakage and improving spurious of 6 dB in the 64QAM form based on IEEE802.16e‐2005 standards. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 851–855, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23235

This content is not available in your region!

Continue researching here.

Having issues? You can contact us here

Accelerating Research