Palstar AT4K Owner'S Manual Download | Manualshive

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Palstar Incorporated

9676 N. Looney Rd.,

Piqua, OH 45356 USA

Customer Service and Sales Telephone:

1-800-773-7931

Fax:

1-937-773-8003

Email:

[email protected]

VER 1.5 2008_04

© Copyright 2008 Palstar Inc.

Printed in the U.S.A.

AT4K 2500 Watt Antenna Tuner

Owner’s Manual

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Summary of Contents for AT4K

Page 1: ... Looney Rd Piqua OH 45356 USA Customer Service and Sales Telephone 1 800 773 7931 Fax 1 937 773 8003 Email info palstar com VER 1 5 2008_04 Copyright 2008 Palstar Inc Printed in the U S A AT4K 2500Watt AntennaTuner Owner s Manual ...

Page 2: ...QUALIFIED PERSONNEL ONLY CAUTION TO PREVENT ELECTRIC SHOCK DO NOT USE THE THREE WIRE CORD WITH AN EXTENSION CORD RECEPTIACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE An appliance and cart combination should be moved with care Quick stops exces sive force and uneven surfaces may cause the appliance and cart combination to overturn The lightning flash with ar...

Page 3: ...n spilled or objects have fallen into the product c If the product has been exposed to rain or water d If the product does not operate normally by following the operating instructions Adjust only those controls that are covered by the operating instructions An improper adjust ment may result in damage and will often require extensive work by a qualified technician to restore the product to its nor...

Page 4: ...el Indicators and Controls Metering Dual movement cross needle power and frequency compensated coupler Controls Input Tuning 480 pF variable capacitor 6kV Peak Output Tuning 480 pF variable capacitor 6kV Peak Inductance 28 µH roller ceramic body roller inductor wound with 10 gauge wire Antenna Selector Switch 6 position Coax 1 tuned and tuner bypass Coax 2 tuned and tuner bypass Bypass and balance...

Page 5: ...nductor Voltage Loss 100 pF 11 7 µH 4550 16 200 pF 6 µH 2400 8 300 pF 4 µH 1600 6 General Description 5 1 800 773 7931 WWW PALSTAR COM The Palstar AT4K Antenna Tuner is an American made im pedance matching network that can provide unbalanced or bal anced output The AT4K T matching network utilizes a 1 1 unbalanced to balanced transformer in the in put of the network When the network is properly tu...

Page 6: ...n This done by switch ing the red TUNED OUTPUT button on the lower front panel between the Output knob and the Inductor knob to the COAX OUT position For a balanced feed antenna connect a balanced feedline to the white BALANCED OUTPUT posts on the back panel and make sure that the red TUNED OUTPUT button on the lower front panel is in the BALANCED IN position Connect a dummy load to the BYPASS con...

Page 7: ...ANTENNA control It is important to remember that consistent with low SWR indicated on the tuner meter you must have and adjust for the largest capacitance highest number on the output control to keep the losses low and the voltage that would appear on the antenna capacitor within the 5KV rating Installation 7 1 800 773 7931 WWW PALSTAR COM 12 VDC INPUT 2 1 mm plug for supplied 12VDC 500mA wall ada...

Page 8: ...ing your antenna connection To tune your antenna the switch selection must be set to COAX 1 TUNED COAX 2 TUNED or WIRE BALANCED ANTENNA Selecting COAX 1 DIRECT COAX 2 DIRECT or BYPASS bypasses the tuning section Also the tuned output switch 8 on pg 8 must be set to the correct position IN for balanced OUT for coax 6 Key your transmitter and adjust the power level for a reading of 100 150 watts on ...

Page 9: ...gh the impedance matching T circuit e TUNED COAX 2 Selects COAX 2 connector through the tuner matching T circuit f BALANCED OUT Selects the balanced output connectors located after the impedance matching circuit 3 PEAK HOLD Select IN to hold Peak readings for approxi mately 2 sec on the SWR meter 4 PEAK Select PEAK IN or AVGERAGE OUT power read ings 5 RANGE Select metering range 3000 Watts IN or 3...

Page 10: ...10 AT4K Schematic 1 800 773 7931 WWW PALSTAR COM AT4K Schematic 11 ...

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