A software controllable modular RF signal generator with multichannel transmission capabilities

Z. Shaw, W. Feilner, B. Esser, James Dickens, Andreas Neuber

Research output: Contribution to journalArticlepeer-review

Abstract

© 2017 Author(s). A software controllable system which generates and transmits user defined RF signals is discussed. The system is implemented with multiple, modular transmitting channels that allow the user to easily replace parts such as amplifiers or antennas. Each channel is comprised of a data pattern generator (DPG), a digital to analog converter (DAC), a power amplifier, and a transmitting antenna. All channels are controlled through a host PC and synchronized through a master clock signal provided to each DAC by an external clock source. Signals to be transmitted are generated through the DPG control software on the PC or can be created by the user in a numerical computing environment. Three experiments are discussed using a two- and four-channel antenna array incorporating Chebyshev tapered TEM horn antennas. Transmitting distinct sets of nonperiodic bipolar impulses through each of the antennas in the array enabled synthesizing a sinusoidal signal of specific frequency in fr
Original languageEnglish
JournalReview of Scientific Instruments
StatePublished - Sep 1 2017

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