Ramsey Electronics Dipole Antenna DA-1 Скачать руководство пользователя страница 7 | Manualshive

Страница: 7 / 16

background image

RAMSEY DA SERIES DIPOLE ANTENNA

Page 7

«
...
5
6
7
8
9
...
»

Содержание Dipole Antenna DA-1

Страница 1: ...e and excellent performance Build a home brew antenna right down to the last soldering connection These dipoles are virtually invisible but do not compromise performance or signal capabilities Perfect as a second antenna for those whose antennas won t handle a specific band High quality components assure you a working antenna every time and tuning it is so easy The right antenna at the right price...

Страница 2: ...ATEUR RADIO KITS FX Series VHF and UHF Transceivers HR Series HF All Mode Receivers QRP Series HF CW Transmitters CW 7 CW Keyer PA Series VHF and UHF Power Amplifiers Packet Computer Interfaces QRP Power Amplifiers RAMSEY MINI KITS Many other kits are available for hobby school scouts and just plain FUN New kits are always under development Write or call for our free Ramsey catalog DP 1 DIPOLE ANT...

Страница 3: ...a Description 4 How Does a Dipole Antenna Work 6 Schematic Diagram 7 Parts List 8 What Kind Of An Antenna Is Best For You 9 Construction Notes 10 Antenna Construction 13 Tuning Your Antenna 15 Other Reading 15 ASSEMBLY AND INSTRUCTION MANUAL FOR RAMSEY ELECTRONICS INC 793 Canning Parkway Victor New York 14564 Phone 716 924 4560 Fax 716 924 4555 ...

Страница 4: ...houses or even fall off of your roof heaven forbid This is where the invisible properties of a dipole are so important In a short day s work you can install your antenna that to even the nosiest neighbor might be strained to see But the great thing is that your antenna is also a great radiator Is it any wonder why hams who spend over a thousand dollars on beam antennas for 20 15 and 10 meters also...

Страница 5: ... and push a pen or pencil through the center Hold it up in front of you Let s pretend that the pencil represents our antenna and the paper represents where our signal is concentrated As you can see most of the radiation is given off at a 90 degree angle to the antenna with very little radiation occurring parallel to the pencil It is this property that makes the dipole directional Another advantage...

Страница 6: ... Inverted V antenna A normal dipole is just what we have been talking about An Inverted V is a variation of a normal dipole that features slanting wires for easier mounting on small properties or where you wish to mount the center of your antenna high without having to build two high endpoints see diagram on next page Antenna critics agree that there is little difference in performance between the...

Страница 7: ...RAMSEY DA SERIES DIPOLE ANTENNA Page 7 ...

Страница 8: ...asier especially if they know a thing or two about stringing antennas or own a bow or arrow ANTENNA CONSTRUCTION Now it s time to begin construction First make sure that you have all of your antenna parts and they are easily accessible You ll also need tools such as ladders electrical tape waterproof sealant a knife wire cutters etc The first thing to do is to cut the antenna wire to the correct l...

Страница 9: ...requency_________ Calculated Length___________ ANTENNA BAND FREQUENCY KHz NORMAL DIPOLE INVERTED V ALL BAND 1850 129 3 122 9 160m 1850 129 3 122 9 80m 3750 63 9 60 6 40m 7050 33 11 31 6 20m 14250 16 9 15 8 10m 28500 8 5 7 11 Antenna Wire Length per side NOTE Measurements indicated for each side of dipole ...

Страница 10: ...total dipole length be 33 31 feet or approximately 33 4 Don t forget that you need to insert a feedline in the center so it must be cut into two pieces that are one half the length 16 feet eight inches Wire Length approximate length packed with indicated antenna kit 160m or ALL BAND 262 80m 132 40m 72 20m 38 10m 21 ...

Страница 11: ...pping the aluminum drain piping off of the side of your house or pulling your favorite night table out of your bedroom window by one of the legs not only earns you bad points with the spouse but it can get expensive and dangerous quickly The best items for this A sturdy metal pole tall fence pole good sized tree sturdy connection point on your house or garage and almost any place that you can trus...

Страница 12: ... will be connected to your radio Unscrew the large outer shell from the PL 259 connector and place it onto the coaxial cable with the threaded end inside facing the end of the wire that you are working on Next place the UG 175 U reducer onto the coax cable with the thinner end towards the end of the cable Using a sharp hobby knife carefully strip the outer insulation off of the coax cable by cutti...

Страница 13: ...in and trim off any extra Be sure that the solder flows easily into the hole and does not bead on the outside This indicates a cold solder joint more heat needed and also will not allow the connector to plug into your radio easily Next solder into each of the holes on the side of the connector You should be able to see the braided wire through at least some of the holes Once more check with your o...

Страница 14: ...a place where you can secure it you may also suspend it using the strength of the ends to hold it in the air If you need to secure the antenna tie a length of rope to the object that you are securing it to Next tie the rope to the center insulator very tightly short of breaking it please If you have some patience the rope will fit between the fins of the insulator and will secure itself very nicel...

Страница 15: ...ing the SWR of your antenna You will notice that if you tune up or down this will change Try this and note whether or not the SWR gets higher or lower as you go up in frequency If it gets higher as you go up the antenna needs to be shortened Back outside again or get a buddy to stand out there cut about one inch off of each end of the antenna wire Rekey your transmitter and repeat the same test ov...

Страница 16: ...s List 8 What Kind Of An Antenna Is Best For You 9 Construction Notes 10 Antenna Construction 13 Tuning Your Antenna 15 Other Reading 15 Manual only price 5 00 Ramsey Publication No MDA Assembly and Instruction manual for RAMSEY DA SERIES DIPOLE ANTENNA RAMSEY ELECTRONICS INC 793 Canning Parkway Victor New York 14564 Phone 716 924 4560 Fax 716 924 4555 Printed on Recycled Paper ...

Отзывы:

Нет отзывов

Похожие инструкции для Dipole Antenna DA-1

Taco Antenna D4000 Series

Бренд: WADE Antenna, Inc. Страницы: 9

Бренд: M2 Antenna Systems Страницы: 3

RBOmniTikG-5HacD

Бренд: MikroTik Страницы: 6

Бренд: Somogyi Elektronic Страницы: 8

Бренд: Hama Страницы: 22

Бренд: MFJ Страницы: 3

Бренд: Opus Страницы: 20

Бренд: M2 Страницы: 3

Бренд: M2 Antenna Systems Страницы: 9

Бренд: Sirius Satellite Radio Страницы: 21

Бренд: Sirio Antenne Страницы: 2

SLX 32 Element Digital TV Aerial

Бренд: SLX Страницы: 2

Бренд: SLX Страницы: 2

Бренд: Somogyi Страницы: 11

Бренд: CUSHCRAFT Страницы: 11

Бренд: CUSHCRAFT Страницы: 12

Бренд: CUSHCRAFT Страницы: 11

Бренд: CUSHCRAFT Страницы: 8

Бренды по названию

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Популярные бренды

Загрузить еще бренды