A general method for passband quantization noise suppression in pulsed transmitter architectures

Author

Gustavsson, Ulf ; Eriksson, Thomas ; Fager, Christian

Author_Institution

GigaHertz Centre, Ericsson AB, Stockholm, Sweden

fYear

2009

fDate

7-12 June 2009

Firstpage

1529

Lastpage

1532

Abstract

In this paper we describe a novel method for selective bandpass cancellation of the quantization-noise that occurs in pulsed transmitter architectures, where the signal is partially or completely quantized. A carrier bursting transmitter architecture, where the amplitude part is quantized and then recombined with a phase-modulated RF carrier, is used as a general example to demonstrate the principles of the method proposed. Measurements on a high efficiency 10 W LDMOS PA working at 1 GHz are used to verify the theoretical results.

Keywords

UHF power amplifiers; band-pass filters; interference suppression; microwave power amplifiers; phase modulation; quantisation (signal); radio transmitters; bandpass filter; carrier bursting; frequency 1 GHz; microwave power amplifier system; noise suppression; passband quantization; phase-modulated RF carrier; pulsed transmitter architecture; selective bandpass cancellation; Band pass filters; Hardware; Narrowband; Noise cancellation; Noise level; Passband; Power amplifiers; Pulse amplifiers; Quantization; Transmitters; ∑Δ-modulator; Carrier bursting; bandpass filter; noise-shaping; power amplifier; quantization noise;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Symposium Digest, 2009. MTT '09. IEEE MTT-S International

Conference_Location

Boston, MA

ISSN

0149-645X

Print_ISBN

978-1-4244-2803-8

Electronic_ISBN

0149-645X

Type

conf

DOI

10.1109/MWSYM.2009.5166000

Filename

5166000