Hy-Gain VB-216SAT Скачать руководство пользователя страница 7 | Manualshive

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Hy-Gain VB-216SAT Скачать руководство пользователя страница 7

Use black electrical tape, and secure this
coaxial cable to the boom on both sides of the
rear D 1 element.

The other coaxial cable coming from the
coupler tube should go around the boom and
loop backwards to attach its terminals to the
rear driven element's T-bars, as shown in
Figure .4. Use black electrical tape to secure
this-coaxial cable and the extra loops of small
coax.

Figure 4 Attachment of Coax

Assembly

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Содержание VB-216SAT

Страница 1: ...ents is designed to give 10 7 dBd gain based on a quasi logarithmic tapering of element spacings This design also gives a very clean pattern with very small sidelobes The 216 SAT also features high efficiency T matched driven elements for easy assembly and high gain True R F 50 ohm switching relays are rated at 200 watts PEP and contribute to improved VSWR Feedpoints are encapsulated for long life...

Страница 2: ...r assembly Tools The following tools are required for easy as seinbly of the 216 SAT OSCAR Beam Make all measurements to the given dimen sions plus or minus no more than 1 16 inch The assembly of this antenna will be easier if you read this manual completely through at least twice and follow the recommended direc tions Allow at least 4 hours for assembly BOOM ASSEMBLY Select the boom sections boom...

Страница 3: ...Figure 1 Boom Assembly ...

Страница 4: ...4 and driven element clamps item 22 and associated hardware as shown in Figure 2 Install the reflector elements on the rear boom as shown in Figure 2 Push one of the element insulators Item 21 onto each reflector so that its shoulder is 19 1 8 from the nearest end In sert the long end of each reflector into the reflector mounting holes as shown in Figure 2 Assemble the two driven elements to the b...

Страница 5: ...e length and color bands listed in Table 1 Install these elements on the rear boom section in the horizontal set of holes shown in Figures 1 and 2 Start with D 1 adjacent to the driven element Use the insulators and pushnuts and assemble in the same manner as described earlier Select one element D1 Install this element on the rear boom section in the vertical set of holes shown in Figure 2 D1 is a...

Страница 6: ...er If any element has to be adjusted or moved there are extra pushnuts supplied for partial reassembly ATTACHMENT OF COAX ASSEMBLY Select the coax circularity switch assembly Item 17 the No 8 hardware Items 35 36 and 37 and the No 10 hardware Items 23 29 and 34 Attach one of the two sets of terminals to the front driven element s T hars Item 13 as shown in FILUre 4 The No 8 32 x 1 2 bolt is used w...

Страница 7: ...t The other coaxial cable coming from the coupler tube should go around the boom and loop backwards to attach its terminals to the rear driven element s T bars as shown in Figure 4 Use black electrical tape to secure this coaxial cable and the extra loops of small coax Figure 4 Attachment of Coax Assembly ...

Страница 8: ...und potential and is directly connected to the shield of the coax therefore a single wire may be used to switch this antenna if the minus side of the switch power supply is connected to the shield of the coax in the shack Either LHCP or RHCP will result if these at tachment procedures are not followed random attachment The opposite polarity results when switched Each set of elements may be used in...

Страница 9: ...D3 and D4 It may be placed behind the horizontal D3 so that the elevation rotator can turn freely in both directions through the desired range In addition counterweights may need to be added to the front of the booms if the 70cm beam is also used in extreme cases The coaxial cables should be secured high on the vertical support mast to minimize the un supported weight When mounting the 216 SAT OSC...

Страница 10: ...bar 3 8 x 9 4 14 160055 Boom to element strap 4 15 385142 1 Clamp boom to mast 1 16 385144 1 Plate back up 1 17 877888 Coax Assembly OSCAR 145 MHz 1 877886 Parts Pack 216S Insulators 1 18 450421 Caplug 11 8 blue 1 19 455630 Caplug 11 4 black 1 20 455644 Caplug 7 16 black 4 21 460337 Insulator element 28 877887 Parts Pack 2168 Hardware l 22 160074 Clamp driven element 4 23 500158 Bolt 10 24 x 1 2 h...

Страница 11: ...g American measurements to Metric Using the scale below to identify lengths of bolts diameters of tubes etc The American inch 1 and foot 1 can be converted in this way FRACTION AND METRIC EQUIVALENTS FOR ONE INCH Fractional Fractional Inch Millimeters Inch Millimeters 1 16 1 588 9 16 14 288 1 8 3 175 5 8 15 875 3 16 4 700 11 16 17 463 1 4 6 350 3 4 19 050 5 16 7 937 13 16 20638 3 8 9 525 7 8 22225...

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