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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.

AT-500 600 Watt

Antenna Tuner

600 W PEP SSB, 500 W CW

160 m to 6m

Differential capacitor with 6:1 vernier drive

Dual movement cross needle meter

5.5” H x 10” W x 11.3” D

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

PALSTAR

AT-500 600 Watt Antenna Tuner

Technical Manual

Designed and Manufactured in the USA

PALSTAR

Содержание AT-500

Страница 1: ...Tuner l 600 W PEP SSB 500 W CW l 160 m to 6m l Differentialcapacitorwith6 1vernierdrive l Dual movement cross needle meter l 5 5 H x 10 W x 11 3 D 9676 N Looney Rd Piqua OH 45356 USA 937 773 6255 800...

Страница 2: ...HT 8 LB S 4 Kg l CHASS I S COVER 11 ga 0 90 gold I r idi te Treated Alu min i um AT 500 SPECIFICATIONS Page 2 PALSTAR AT 500 GENERAL DESCRIPTION The American made Palstar AT 500 Antenna Tuner The AT...

Страница 3: ...ifier ou tput to the AT 5 00 DO NOT USE MOR E T HAN 500 Watts C W 600 Watts PEP SSB thro ugh the tune r INSTALLATION Page 3 To 12 13 8v Power Supply 2 1 mm FEMALE plug Grey TRACE ID Protection Reverse...

Страница 4: ...7 8 9 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 bypa...

Страница 5: ...0 SCHEMATIC COPYRIGHT PALSTAR 2011 2014 PALSTAR RF Directional Coupler Peak Peak Hold Meter Board Crossneedle SWR Meter 15 H Roller Inductor 12 H Roller Inductor 360pF 14pF 360pF Variable Capacitor Pa...

Страница 6: ...RD 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 DIFFERENTIAL CAPACITOR COUPLER METERING ASSEMB...

Страница 7: ...T UN ED pos it ion m atch ing your antenna connec tion To tune your anten na t he sw itc h s elec tion m us t b e s et to COAX 1 T UN ED COAX 2 TU N ED or BAL AN CED L IN E S elec ti ng COAX 1 DIR EC...

Страница 8: ...ce p ta b le SWR lengthe n or s hor ten yo ur antenna a nd o r feedl ine s and retune 3 I f you get low SW R read ings at m ore than one s etti ng us e t he s ett ing that gives h ighe st FO R WAR D p...