Palstar BT1500A Technical Manual Download Page 1

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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.

BT1500A 1500 Watt

Balanced Antenna Tuner



1500 Watts PEP



160m to 15m



Custom variable capacitors and inductor



Dual movement cross needle meter



13 1/4” x 6 1/2” x 16 7/8”

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

PALSTAR

BT1500A Balanced Antenna Tuner

Technical Manual

Designed and Manufactured in the USA

PALSTAR

Summary of Contents for BT1500A

Page 1: ...alanced Antenna Tuner 1500 Watts PEP 160m to 15m Customvariablecapacitorsandinductor Dual movement cross needle meter 13 1 4 x 6 1 2 x 16 7 8 9676 N Looney Rd Piqua OH 45356 USA 937 773 6255 800 773 7...

Page 2: ...Tuner is an American made impedance matching network The BT1500A optimizes the performance of your antenna and transmitter by providing adjustable impedance matching using balanced dual tandem roller...

Page 3: ...the rear panel Keep the c able as shor t as po ssible I f you use a linear amplifier connec t your transmitter to the linear amplifier input and the linear amplifier output to the BT1500A DO N OT USE...

Page 4: ...40 amp contact relay This function only works if the unit is provided with 12 VDC at the power jack 5 PEAK HOLD Select to read Peak Hold on the SWR meter Peak switch Button 6 above must be in PEAK pos...

Page 5: ...e to e ffec t a good match on one or more bands of op erat i on whe n using a fe edline into the length from the tuner of the a ntenn a Since the losses on the parallel line are ver y low a few ex t r...

Page 6: ...BT1500ASCHEMATIC COPYRIGHT PALSTAR 2011 2018 PALSTAR 15 15 Page 5...

Page 7: ...ngl e e nde d L ne t wor k the legs of the balanced L net wor k a re b ot h above the ground potential Hence both the input a nd a ntenna side s of the net wor k are balanced I n order to accommodate...

Page 8: ...ARD ADJUSTMENTS Reverse Low Reverse High Forward Low Forward High Peak Hold Peak Peak Low Power Range Peak High On Off PALSTAR INSIDE VIEW ROLLER INDUCTORS VARIABLE CAPACITORS COUPLER METERING ASSEMBL...

Page 9: ...HI C HI C 156 184 215 231 237 238 PALSTAR 10 M 15 HI C 240 HI Z HI Z HI Z HI Z HI Z HI Z HI Z OPERATING YOUR BT1500A 5 S et POWER R ANGE switch to 300 W button out 6 Key your transmitter and adjust th...

Page 10: ...etune 3 I f you get low SWR readings at more than one setting use the setting that gives highest FOR WARD power reading lowest REFLEC TED power reading uses the largest capacitance highest number on t...