W-band dual channel AM/PM noise measurement system - an update

Published

August 29, 2005

Author(s)

Archita Hati, Craig Nelson, J Nava, David A. Howe, Fred L. Walls, Huascar Ascarrunz, Justin Lanfranchi, Bill Riddle

Abstract

We discuss the performance of a W-band (92-96) GHz amplitude modulated (AM) and phase modulated (PM) noise measurement system. The system uses two nearly identical channels to measure the residual noise in amplifiers in pulsed mode with a duty cycle of 10% to 100% (CW) at a given pulse repetition frequency (PRF). We describe details of the dual-channel measurement test set system and several design considerations that are essential for accurately extracting the device noise from measurement-system noise. We also discuss the modifications made to the synthesis scheme of the (92-96) GHz signal compared to the previous scheme. Finally, we present updated results for the source noise and the noise floor of the measurement system.

Proceedings Title

Proc. Joint Mtg. IEEE Intl. Freq. Cont. Symp. and PTTI Mtg.

Conference Location

, USA

Pub Type

Conferences

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Keywords

amplitude modulated noise, GaAs multiplier, Gunn oscillator, InP amplifier, phase locked loop, phase modulated noise, w-band synthesizer

Citation

Hati, A. , Nelson, C. , Nava, J. , Howe, D. , Walls, F. , Ascarrunz, H. , Lanfranchi, J. and Riddle, B. (2005), W-band dual channel AM/PM noise measurement system - an update, Proc. Joint Mtg. IEEE Intl. Freq. Cont. Symp. and PTTI Mtg., , USA, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50219 (Accessed October 4, 2024)