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Browse Journals & Magazines > Circuits and Systems II: Anal ...> Volume:44 Issue:6 Help

Low power transmitter experimental prototype and simulation for personal access communications system (PACS)

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4 Author(s)
Izadpanah, H. ; Hughes Res. Labs., Malibu, CA, USA ; Malkemes, R.C. ; Chukurov, D.D. ; Cordell, R.R.

In this paper, we look at the benefit of using InP semiconductor technology for RF power amplifiers to improve their overall linearity and efficiency. Experimental prototype and simulation results for a PACS subscriber unit (SU) transmitter RF power amplifier are presented. The role of power amplifier nonlinearity on the emission spectral spreading and the adjacent channel interfered power ratio (ACPR) variations is demonstrated for GaAs FET, GaAs HBT, and InP HBT technologies. A technique to improve the amplifier power added efficiency (PAE) and simultaneously reduce the battery consumption current is suggested and verified by simulation

Published in:
Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on  (Volume:44 ,  Issue: 6 )

Date of Publication: Jun 1997

Page(s):
482 - 487
ISSN :
1057-7130
INSPEC Accession Number:
5620355
Digital Object Identifier :
10.1109/82.592581
Product Type:
Journals & Magazines
Date of Current Version :
06 August 2002
Issue Date :
Jun 1997
Sponsored by :
IEEE Circuits and Systems Society

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