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Compact 6 GHz USB RF Vector Spectrum Analyzer

Triarchy VSA6G2A02 March 2018 - Saelig Company announced the availability of the Triarchy Techologies VSA6G2A Vector Spectrum Analyzer - an economical USB RF tool that plugs into the USB port of a PC. It offers almost all of the functionality of a benchtop spectrum analyzer. Its frequency range of operation is from 100Hz to 6.2GHz, with an amplitude measurement range of -140dBm to 24dBm. The RBW (resolution bandwidth) range is from 0.2Hz to 10MHz and the noise level (DANL) is as low as -140dBm.

The VSA6G2A is very compact (4" x 1" x 1") and easy to use. The software user interface has been designed to resemble the front panel of a standard desktop spectrum analyzer, allowing users to use the application intuitively without a steep learning curve. Touch screen support is also provided, making the VSA6G2A quick to operate.

The VSA6G2A's demodulation capabilities allow it to measure analog and digitally modulated signals, such as AM, FM, PM, MSK, and QPSK. Additionally, the VSA6G2A has I and Q signal ports, enabling it to work as a wide-band I/Q receiver platform. Visualizing pulse modulated signals is usually not very easy, but with the VSA6G2A's trigger input it is straightforward to view these waveforms.

The analyzer's operation is divided into two bands to cover the complete operating range: a low band (100Hz to 2MHz) and a high band (1MHz to 6.2GHz). The VSA6G2A offers an N (female) RF signal input connector and a mini-B USB connector for interfacing with the PC. Four MMCX connectors provide I/Q port access.

Signal spectra are clearly displayed on the attached PC, as well as density, waterfall images, and demodulated waveforms and eye diagrams. The waterfall display helps in showing signals like frequency hopping Bluetooth. The VSA channel power function makes it simple to measure signal power automatically. Production testing is also facilitated when using preselected Pass/Fail criteria.

Weighing only 3.5oz and powered from a PC's USB port, the VSA6G2A is ideal for field test and installation since it can be easily slipped into a laptop bag and used for monitoring RF signals in temperatures from -10decC to +50degC. It is also suitable for use in benchtop EMC testing with near-field antennas.

Made by Triarchy Technologies Corp., an innovative Canadian RF design house, the VSA6G2A Vector Spectrum Analyzer is available now at $950 from Saelig Company, Inc. Fairport, NY, Triarchy's authorized US distributor.

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