vicorpower.com AC17V1 ©2017 Vicor Corporation. All rights reserved. The Solution The re-engineered auxiliary supply comprised two ZVS Buck regulators (10 x 10mm) that converted the 48V transmitter supply to 5.5V for the subsystem and to 12V for the motors A ZVS Buck-Boost regulator (10 x 14mm) provided the tightly regulated 24V rail necessary for the driver for the new power amplifier. The Customer's Challenge In order to extend mobile signal coverage economically in remote areas this base station manufacturer wanted to leverage new GaN technology to effectively double the base station transmitter power. However, they needed to accomplish this upgrade without increasing the overall system size. To accommodate the larger power amplifier needed, and the associated power supply, t

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