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User's Manual | ACOM 06AT | Automatic Antenna Tuner and Switch
1. GENERAL INFORMATION
Congratulations on purchasing one of the finest antenna tuners in the world today.
ACOM is pleased that you have chosen one of our products, and we will endeavor to provide you with the
information and support you need to enjoy your purchase for many years.
We urge you to read all of the following materials before you embark on operating your new antenna tuner.
1.1. Introduction and Description
This manual explains:
Installation
•
Operation and
•
Maintenance
•
of the ACOM 06AT automatic antenna tuner for HF + 6 m with integrated four-way antenna switch.
The ACOM 06AT tuner is specifically designed and developed to work exclusively with the ACOM series of
solid state (transistor) amplifiers, e.g., ACOM 600S, 700S, 1200S, or ACOM 2020S.
ACOM 06AT automatically selects one of four available antenna outputs (as assigned in bands by the
operator) and matches the impedance of the chosen antenna output by transforming it to 50 Ohm with SWR
below 1.5:1 at the tuner input (typically below 1.3), providing an optimum load impedance for the amplifier.
Any necessary readjustments are swift, following the frequency changes and antenna selections.
The tuner matches all load impedances presenting a SWR below 3:1, regardless of phase angle, in a
continuous frequency range of 1.8-30 MHz and 50-54 MHz. In many cases, the tuner will match loads with
higher SWR (up to 10:1) as well, however a reduction in power may be necessary if the protective functions
of the tuner activate due to high values of SWR, current, voltage, forward or reflected power at the antenna
output.
October 2022
S e c t i o n GENERAL INFORMATION | Page 9 of 70
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