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Palstar products are designed by 
Hams for  Hams  carrying  on the 
Palstar  tradition for high-quality 
products designed and 
manufactured in Ohio, USA.

AT2K 2000 Watt

Antenna Tuner

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2000 W PEP SSB, 1500 W single tone

160 m to 10m

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Variable capacitor with vernier drive

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Dual movement cross needle meter

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5” x 14.5” x 13.5”

9676 N. Looney Rd,
Piqua, OH 45356 USA
(937) 773-6255  
(800) 773-7931
(937) 773-8003 (Fax)
www.palstar.com

PALSTAR

AT2K 2000 Watt Antenna Tuner 

Technical Manual

Designed and Manufactured in the USA

Copyright 2014 Palstar, Inc.

PALSTAR

Summary of Contents for AT2K

Page 1: ...a Tuner l 2000 W PEP SSB 1500 W single tone l 160 m to 10m l Variablecapacitorwithvernierdrive l Dual movement cross needle meter l 5 x 14 5 x 13 5 9676 N Looney Rd Piqua OH 45356 USA 937 773 6255 800 773 7931 937 773 8003 Fax www palstar com PALSTAR AT2K 2000 Watt Antenna Tuner Technical Manual Designed and Manufactured in the USA Copyright 2014 Palstar Inc PALSTAR ...

Page 2: ...S COVER 11 ga 0 90 gold I r idi te Treated Alu min i um AT2K SPECIFICATIONS Page 2 PALSTAR Building on success Palstar upgraded the best selling AT1500CV throughout to create the American made Palstar AT2K Antenna Tuner The AT2K optimizes the performance of your antenna and transmitter by providing adjustable impedance matching using a T type circuit configuration The AT2K also measures the power ...

Page 3: ...fier connec t your transmi tter to the linear amplifie r input and t he linear amplifier ou tput to the AT2K DO NOT USE MOR E T HAN 1500 WAT TS single tone th rough the tuner INSTALLATION Page 3 To 12 13 8v Power Supply 2 1 mm FEMALE plug Grey TRACE ID Protection Reverse diode Red Heat Shrink cover AT2K DC POWE R CO RD PALSTAR REAR PANEL GROUND post wing nut ground connector COAX BAL WIRE Use this...

Page 4: ... these functions to work 6 DIRECT TUNED MODE SWITCH Six position rotary switch selects an output connector as follows 1 2 3 4 5 6 7 8 9 PALSTAR a DIRECT BYPASS selects BYPASS COAX CONNECTOR bypassing the impedance matching circuit but providing SWR FORWARD and REFLECTED power meter readings b DIRECT COAX 1 selects COAX 1 CONNECTOR bypassing the tuner matching circuit but providing SWR FORWARD and ...

Page 5: ...AT2K SCHEMATIC COPYRIGHT PALSTAR 2011 2014 PALSTAR 413 413 25 Page 5 ...

Page 6: ...OARD ADJUSTMENTS Reverse Low Reverse High Forward Low Forward High Peak Hold Peak Peak Low Power Range Peak High On Off PALSTAR INSIDE VIEW ROLLER INDUCTOR VARIABLE CAPACITORS COUPLER METERING ASSEMBLY PEAK HOLD PCB ...

Page 7: ... s wi tc h to the TUN ED posit io n matc hi ng your a ntenna conne c ti on To tune yo ur antenn a th e swi tc h s elec tion m us t b e s et to COAX 1 T UN ED COAX 2 T U NED or BA L AN CED L IN E S el ec ti ng COAX 1 D IR EC T COAX 2 DIR EC T or BYPASS by p as s es the tuning circuitr y a nd tuning is not pos s i b le 7 R otate th e IN P U T AN T EN N A a nd IN D U C TOR controls for maximum n oise...

Page 8: ...ccep ta b le SWR lengthe n or sh or ten your a nte nna a nd or feedli nes a nd retune 3 I f you get low SW R re adi ng s at m ore than one s etting use t he set t in g that gi ves highes t FO R WAR D p ower rea di ng lowes t R EFL EC T ED p ower readi ng use s the l arg es t ca p a ci tance hig hes t numb er on the IN PU T and AN T EN N A controls 4 Any t im e a new or di ffere nt a ntenna i s con...

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