
Palstar products are designed by
Hams for Hams carrying on the
Palstar tradition for high-quality
products designed and
manufactured in Ohio, USA.
AT5K-HP 3500 Watt
Antenna Tuner
l 3500 W PEP SSB
l 160 m to 6m
l Custom capacitors with 6:1 vernier drives
l 7” H x 16.25” W x 19.75” D
PALSTAR
AT5K-HP 3500 Watt Antenna Tuner
Technical Manual
9676 N. Looney Rd,
Piqua, OH 45356 USA
(937) 773-6255
(800) 773-7931
(937) 773-8003 (Fax)
www.palstar.com
PALSTAR
Designed and Manufactured in the USA
Copyright 2014 Palstar, Inc.

AT5K-HP SPECIFICATIONS
l INPUT & ANTENNA TUNING: 2 x Variable capacitors 600 pF, 6 kV
Peak, 6:1 Vernier Drives for both capacitors
l INDUCTANCE: 28 μH roller inductor, 10 amps, 5 kV,
10 ga. wire wound on steatite ceramic core,
silver plated shaft and wheel
l ANTENNA SELECTOR SWITCH: 6 position:
Coax 1 - tuned and tuner bypass
Coax 2 - tuned and tuner bypass
Bypass coax connector;
Coax to EXT BALUN for BAL FEED
Switch wafers are 7 kV/10A rated
l REAR PANEL CONNECTORS:
SO-239: RF Input, Coax 1 & 2, Bypass,
Coax to EXT BALUN
l FREQUENCY COVERAGE: 1.8 - 54 MHz
l POWER MAXIMUM: 5000 W PEP SSB, 3500 W single tone
l IMPEDANCE RANGE: 8 to 2000 Ω, 160m to 10m
(assuming resisitive load)
Reduce power for lower Z-range
l DIMINSIONS: 7” H x 16.25“ W x 19.75” D (incl. terminals)
l WEIGHT: 20 LBS, 9 Kg
l CHASSIS & COVER: 11 ga., .090 gold Iridite Treated Aluminium
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PALSTAR

NOTES:
AT5K-HP GENERAL DESCRIPTION
The Palstar AT5K-HP Antenna Tuner is an American-made impedance
matching network that can provide unbalanced and balanced ouput
with a power rating of 3500 watts (single tone carrier) and 5000 watts
PEP at certain Z ranges.
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Tuning is achieved with the front panel mounted controls. The Vernier
capacitor dials allow for tuning withprecision and accuracy, while the
inductor crank handle facilitates coarse adjustments.
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PALSTAR