ETL Systems offers a series of Variable Gain Amplifiers operating in the L-band (850-2150 MHz). These amplifiers have 0 to 30 dB gain settable in 1 dB gain steps with a built in regulator. Model options are available with end-to-end connectors or connectors on the same face, and are either in-line powered or externally powered. Field applications for these devices include telecom infrastructures, satellite systems, microwave links, test and instrumentation, military communications, and radar networks.
The VGLA20RPDC GPS Variable Gain Line Amplifier is a one input, one output device featuring a variable gain block with 26dB of dynamic range.
The VGLCDLA30RPDC is a variable gain GPS line amplifier featuring a range of 0 to 30 dB with LCD display and push button controls in 1 dB increments. The frequency response covers L1/L2/L5 and Galileo/GLONASS bands. The push button control along with the LCD display allows users to make precise adjustments quickly and view the output power at any given time to make testing more efficient.