background image

MODEL DB-1015A 10- and 15-Meter

Duo-Band Antenna

Order No

HY-GAIN ELECTRONICS CORPORATION

8601 Northeast Highway 6 Lincoln,

Nebraska 68505 Telephone 464-9151 Area

Code 402

printed •.

copyri

ght

 Hy-Gain Electronics Corporation At

rights

Содержание DB-1015A

Страница 1: ... 10 and 15 Meter Duo Band Antenna Order No HY GAIN ELECTRONICS CORPORATION 8601 Northeast Highway 6 Lincoln Nebraska 68505 Telephone 464 9151 Area Code 402 printed copyright Hy Gain Electronics Corporation At rights ...

Страница 2: ...al 1 Specifications 1 Theory of Operation 1 SECTION II ASSEMBLY AND INSTALLATION Preparation of Assembly 2 Boom Assembly 2 Reflector Element Assembly 3 Driven Element Assembly 5 Befa Match 6 Director Element Assembly 6 Final Assembly 8 SECTION III PARTS LIST 8 ...

Страница 3: ...5 8 O D Wind surface area 3 8 sq ft Wind load 80 mph 97 3 lbs Theory of Operation Hy Gain Hy Q traps are air dielectric parallel resonant circuits which operate as electronic switches On 10 meters the switch is open so only the inner portions of the e ements are operative giving a three element 10 meter beam On 15 meters the switch is closed and the entire element is operative giving a three eleme...

Страница 4: ... dimensions given in this manual for optimum results from your antenna Boom Assembly Select the two boom sections 2 diameter tubing and the boom to mast brackets Loosely assemble the boom to mast bracket using the 20 x screws nuts and lockwashers as shown in Figure 2 Slip the drilled end of each boom section into the boomto mast bracket and line up the holes Attach the boom to the bracket using th...

Страница 5: ...ely but do not tighten the anchor screw at this time Check to see that the Reflector element will lie in a plane horizontal to the earth when the antenna is mounted on your mast Do this by observing the position of the element with respect to the boom to mast bracket Make any adjustments necessary keeping the center of the bracket 3 from the tip of the boom then tighten the anchor screws securely ...

Страница 6: ...ce To decide which transmiting mode is best for your purposes refer to the VSWR charts in Figure 7 Assemble a 1 compression clamp and slip it onto the unswaged end of the R 2 section Select the 10 meter trap and slip the unswaged end into the R 2 section Measure the dimension shown on Figure 3 for your mode of transmission Make certain the trap drain holes are facing downward Tighten the compressi...

Страница 7: ...ession clamp and slip it over the DE 1 section Select the DE 2 section 1 1 8 x 52 Slip the unswaged end of the DE 2 section into the DE 1 section and measure the dimension shown on Figure 3 for your mode of transmission Tighten the compression clamp slightly Assemble a 1 compression clamp and slip it over the swaged end of the DE 2 section Select a 10 meter trap and slip the unswaged end into the ...

Страница 8: ...10 metal screws and lockwashers Slip the 1 tubing clamps on the driven element near the insulators Loosely attach the pigtails to the tubing clamps using the 20 x 1 screws as shown in Figure 6 Do not tighten the connection at this time The coaxial feedline will connect to this point in a later step Director Element Select the remaining set of element to boom brackets and loosely assemble on the As...

Страница 9: ...compression clamp and slip it over the swaged end of D 2 Select a 10 meter trap and slip the unswaged end into the D 2 Measure the dimension shown in Figure 3 for your mode of transmission Make certain the trap drain holes are facing downward and tighten the compression clamp slightly Assemble a 11 16 compression clamp and slip it over the swaged end of the 10 meter trap Select the D 3 section 7 1...

Страница 10: ...in balun Model BN 86 available at your local Hy Gain dealer The BN 86 allows the DB 1015A to operate with an efficiency greater than is possible with a homemade choke Your DB 1015A is now ready to be installed on a 1 5 8 O D mast Use one of the methods explained at the beginning of this section When mounting the completed antenna be certain to pin the bracket to the mast as explained in the sectio...

Страница 11: ...or improperly installed or used The warranties contained herein are the sole express warranties made by Hy Gam Electronics Corporation on this product _ LIMITATION OF DURATION OF IMPLIED WARRANTIES IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY OR FITNESS ARE EXPRESSLY LIMITED IN DURATION TO THE 90 DAY PERIOD OF THIS WARRANTY Some states do not allow limitation on no...

Отзывы: