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2 Product Description
The Tuner Genius XL™ (TGXL™) is a 2000W automatic antenna tuner with full frequency coverage from 1.8 MHz
to 54 MHz. It is designed to match an antenna system with an SWR of up to 10:1 automatically. The tuner is
built to "broadcast industry" commercial standards with a 1500W 100% Intermittent Commercial and Amateur
Service (ICAS) power rating. The absolute maximum peal power handling capability is 2000W.
All Tuner Genius XL functions are controlled either from the front panel of the tuner or from a Windows
computer software application. Using the Windows application allows the TGXL to be installed away from your
operating position or in another geographic location over the Internet. Additionally, high‐precision peak
responding RF power and SWR meter displays are provided, eliminating the need for a separate Power/SWR
meter device in your shack.
The Tuner Genius XL is tightly integrated with the Power Genius XL™ (PGXL™) RF amplifier and all FLEX‐6000™
series HF transceivers. Integration is achieved using a standard LAN‐based API and communications protocol.
The API is published so you can write software applications for your tuner.
The Tuner Genius XL is compatible with any modern HF radio on the market today. When used in conjunction
with a Power Genius XL and a FLEX‐6600 or FLEX‐6700 transceiver, you have a competitive, fully functional
SO2R (single operator, two‐radio) radiosport station. In addition, support for SmartLink and multiFLEX™
operation provides frustration‐free multi‐client remote operation.
3 What is an Antenna Tuner?
An antenna tuner is a device in the RF signal path between the transmitter (or transmitter + amplifier) and its
antenna to improve power transfer between them by transforming the impedance presented at the
transmitter's antenna feed output to a compatible value. This impedance change protects the transmitter from
the potentially damaging effects of high reflected power, allowing the transmitter to avoid reducing (folding
back) power to protect itself. An antenna tuner is especially useful when the antenna and feedline impedance
is unknown and complex.
It's important to understand that the tuner does not change the actual SWR of the antenna and feedline.
Instead, it transforms the impedance presented to the transmitter.
4 Circuit Description
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Copyright 2021 FlexRadio. All Rights Reserved.
7 June 2021(FW:0.9.12, Utility: 0.9.12)
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