![]() ![]() And military users have learned that millimeter-wave frequencies, in addition to serving radar systems, offer reliable battlefield communications for both soldiers and robots: They provide bandwidth to receive full sensor data from drone vehicles, including unmanned aerial vehicles (UAVs) and unmanned ground vehicles (UGVs). ![]() Industrial users have enjoyed the benefits of wide-bandwidth millimeter-wave links for sensor and communications links on oil fields. Commercial cellular systems operators, for example, have found available bandwidth at 60 GHz for line-of-sight backhaul links from cellular towers. Higher-frequency (millimeter-wave) bands are of growing interest for commercial, industrial, and military users as bandwidth is consumed by the growing number of wireless applications. With single-sweep frequency range of 70 kHz to 110 GHz, and usable frequency range from 40 kHz to 125 GHz, a ME7838A VNA forms one component of the millimeter-wave on-wafer test solution the other component is a set of compact frequency-extension modules from Cascade Microtech that is compatible with on-wafer test probe stations. But a solution has arrived, in the form of the latest members of the VectorStar family of VNAs from Anritsu, the ME7838A Series VNAs. On-wafer measurements at millimeter-wave frequencies were once a "cumbersome luxury." In addition to a vector network analyzer (VNA) with the right frequency range, the measurements required costly millimeter-wave frequency-extension modules that were too large to mount near the test probes needed for on-wafer measurements. ![]()
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