Simple current waveform probe for microwave amplifiers

Author

Ali, N.T. ; McEwan, N.J. ; El-khazmi, E.A.

Author_Institution

Etisalat Coll., Sharjah, United Arab Emirates

Volume

1

fYear

2002

fDate

25-28 Nov. 2002

Firstpage

38

Abstract

A probe for sensing current waveforms in microstrip-based microwave power amplifiers is demonstrated. Its simple transfer function permits real-time current waveform displays using a sampling oscilloscope, without computer correction of the responses. Sample waveforms are presented for an active transmitting antenna, where the operating frequency is 2.3 GHz and harmonics up to the 5^th are correctly reproduced.

Keywords

active antennas; calibration; electric current measurement; microstrip circuits; microwave amplifiers; microwave antennas; power amplifiers; probes; transfer functions; transmitting antennas; 2.3 GHz; 50 ohm; UHF; active transmitting antenna; current probe design; current waveform probe; current waveforms sensing; harmonics reproduction; inverse filtering; microstrip-based microwave power amplifiers; microwave amplifiers; operating frequency; probe calibration; real-time current waveform displays; sampling oscilloscope; transfer function; Computer displays; Frequency; Microstrip; Microwave amplifiers; Oscilloscopes; Power amplifiers; Probes; Sampling methods; Transfer functions; Transmitting antennas;

fLanguage

English

Publisher

ieee

Conference_Titel

Communication Systems, 2002. ICCS 2002. The 8th International Conference on

Print_ISBN

0-7803-7510-6

Type

conf

DOI

10.1109/ICCS.2002.1182433

Filename

1182433