Hy-Gain 2085-1 Скачать руководство пользователя страница 6

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Figure 6-Detail B Driven Element, Beta Match

and Balun Assembly

NOTE: If 50 ohm coaxial cable is used to feed
the antenna, select the supplied balun at this

Water proof the connection with neoprene,
Krylon@, or some similar substance.

Use the #10-24 x 2 1/2" bolt to fasten the ele-
ment-to-boom insulator to the boom. Refer to
Figure 6, Detail B.

Install caplugs on

the ends of the booms and

the Driven Element.

Use the two (2) #10-24 x 1/4" bolts to assemble
the Driven Element as shown in Figure 6, Detail
B. Pay particular attention to the connections of
the beta rod, balun and feedline.

Krylon® is a registered trademark of Borden Chemical

Содержание 2085-1

Страница 1: ...and backlobes over the entire 2 meter band This antenna comes with stainless steel hardware for all electrical and most mechanical connections and now features a new boom tomast bracket that will allow mast sizes of 15 8 to 2 1 16 in diameter The 28 FM antenna has an input impedance of 200 ohms The supplied balun matches the input to 50 ohms If you are using transmission line with a characteristic...

Страница 2: ...or a frequency higher than 144 MHz cut l 4 off of the total element lengths for each MHz higher than 144 MHz Driven Element SWR can be lowered to less than 1 2 1 at a desired frequency by carefully trimming the driven element Keep the element symmetrical by cutting the same amount from each side Typical SWR curves are shown in Figure 3A and a cutting chart is shown in Figure 313 Each installation ...

Страница 3: ... phasing lines coming from the two an tennas to the T connector can be any odd multiple of one quarter wavelength in the 75 ohm transmission line See Figure 5 NOTE When phasing two antennas the Driven Element halves that are connected directly to the phasing lines should be on the same side of the array The feedline impedance is for 50 ohms RG 8 u For detailed information on stacking more than two...

Страница 4: ...he mast Select the boom back up plate the boom tomast bracket and the four 4 1 4 20 x 3 4 bolts 1 4 lockwashers and nuts Place the boom to mast bracket on the boom as shown in Figure 6 The front and rear boom sec tions should meet in the middle of the boom to mast bracket Use the 1 4 20 x 3 4 bolts in the outside holes Leave the inside holes for the two 2 U bolts which will be used later for mount...

Страница 5: ...Figure 6 Boom to Mast Clamp Assembly Figure 6 Detail A Parasitic Element Attachment ...

Страница 6: ...similar substance Use the 10 24 x 2 1 2 bolt to fasten the ele ment to boom insulator to the boom Refer to Figure 6 Detail B Install caplugs on the ends of the booms and the Driven Element Use the two 2 10 24 x 1 4 bolts to assemble the Driven Element as shown in Figure 6 Detail B Pay particular attention to the connections of the beta rod balun and feedline Krylon is a registered trademark of Bor...

Страница 7: ...r point on each rod then make two more marks 5 8 on either side of the center mark Secure the elements to the boom as shown in Figure 1 and Figure 6 Detail A Be sure they are oriented as shown Slip the two 2 U bolts into the boom to mast bracket and fasten it to the mast securely Tape the coax feedline and balun to the boom and to the mast Be sure to insulate any connec tion from the boom or the m...

Страница 8: ...r Driven Element to Boom 1 15 871704 Balun Assembly 2 meter 1 872071 1 Parts Pack 208S 1 Stainless Steel 1 16 163266 Beta Clip 1 17 455630 Caplug 11 4 2 18 475639 Caplug 7 16 with hole 2 19 540067 U Bolt 5 16 x 3 5 8 2 20 540065 Eyebolt 10 24 x 11 2 x 5 16 7 21 170376 Half Washer aluminum 7 22 500159 Bolt hex head 10 24 x 1 1 2 2 23 500164 Bolt hex head 10 24 x 2 1 2 1 24 510670 Screw pan head Typ...

Страница 9: ...r warranty provided the product is returned postage prepaid to Hy Gain with a personal check cashiers check or money order for 8 00 covering postage and handling 3 Under no circumstances is Hy Gain liable for consequential damages to person or property by the use of any Hy Gain products 4 Out of warranty Service Hy Gain will repair any out of warranty product provided the unit is shipped prepaid A...

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