Bird Technologies 4450 User Manual

IN STRUC TION BOOK

OP ER ATING IN STRUC TIONS

WITH PARTS LIST

MODEL 4450

THRULINE ® WATTMETER

LIMITED WAR RANTY

All prod ucts man u fac tured by Seller are war ranted to be free from de fects in ma te rial and w ork man ship for a pe riod of one
(1) year, un less oth er wise spec i fied, from date of ship ment and to con form to ap pli ca ble spec i fi ca tions, draw ings, blue prints
and/or sam ples. Seller’s sole ob li ga tion un der these war ran ties shall be to is sue credit, r e pair or re place any item or part
thereof which is proved to be other than as war ranted; no al low ance shall be made for any la bor charges of Buyer for re place ­ment of parts, ad just ment or re pairs, or any other work, un less such charges are au tho rized i n ad vance by Seller.

If Seller’s prod ucts are claimed to be de fec tive in ma te rial or work man ship or not to con fo rm to spec i fi ca tions, draw ings,
blue prints and/or sam ples, Seller shall, upon prompt no tice thereof, ei ther ex am ine the prod ucts where they are lo cated or is ­sue ship ping in struc tions for re turn to Seller (trans por ta tion-charges pre paid by Buyer). I n the event any of our prod ucts are
proved to be other than as war ranted, trans por ta tion costs (best way) to and from Seller’s plan t, will be borne by Seller and
re im burse ment or credit will be made for amounts so ex pended by Buyer. Ev ery such claim for br each of these war ran ties
shall be deemed to be waived by Buyer un less made in writ ing within ten (10) days from the date o f dis cov ery of the de fect.

The above war ran ties shall not ex tend to any prod ucts or parts thereof which have been sub ject ed to any mis use or ne glect,
dam aged by ac ci dent, ren dered de fec tive by rea son of im proper in stal la tion or by the per for mance of re pairs or al ter ations
out side of our plant, and shall not ap ply to any goods or parts thereof fur nished by Buyer or ac quired from oth ers at Buyer’s
re quest and/or to Buyer’s spec i fi ca tions. In ad di tion, Seller’s war ran ties do not ex tend to the fail ure of tubes, tran sis tors, fuses
and bat ter ies, or to other equip ment and parts man u fac tured by oth ers ex cept to the ex tent of the orig i nal man u fac turer’s war ­ranty to Seller.

The ob li ga tions un der the fore go ing war ran ties are lim ited to the pre cise terms thereof. These war ran ties pro vide ex clu sive
rem e dies, ex pressly in lieu of all other rem e dies in clud ing claims for spe cial or con se qu en tial dam ages. SELLER NEI THER
MAKES NOR AS SUMES ANY OTHER WAR RANTY WHAT SO EVER, WHETHER EX PRESS, STAT U TORY,
OR IM PLIED, IN CLUDING WAR RANTIES OF MER CHANT ABIL ITY AND FIT NESS, AND NO PER SON IS
AU THO RIZED TO AS SUME FOR SELLER ANY OB LI GA TION OR LI A BIL ITY NOT STRICTLY IN AC COR ­DANCE WITH THE FOREGOING.

IN STRUC TION BOOK

OP ER ATING IN STRUC TIONS

WITH PARTS LIST

MODEL 4450

THRULINE ® WATTMETER

© Copy right 1994 by Bird Elec tronic Cor po ra tion

In struc tion Book Part Num ber 920-4450-1 Rev.B

THRULINE® is a reg is tered trade mark of Bird Elec tronic Cor po ra tion

Safety Pre cau tions

i

Safety Pre cau tions

The fol low ing are gen eral safety pre cau tions that are not nec es sar ily re lated to any spe c ific part or pro ce dure and do not nec ­es sar ily ap pear else where in this pub li ca tion. These pre cau tions must be thor oughly un de r stood and ap ply to all phases of op ­er a tion and main te nance.

KEEP AWAY FROM LIVE CIR CUITS

Op er ating per son nel must at all times ob serve gen eral safety pre cau tions. Do not re place c om po nents or make ad just ments in ­side equip ment with the high volt age sup ply turned on. To avoid ca su al ties, al ways re move p ower.

DO NOT SER VICE OR AD JUST ALONE

Un der no cir cum stances should any per son reach into an en clo sure for the pur pose of ser vice or ad just ment of equip ment ex ­cept in the pres ence of some one who is ca pa ble of ren der ing aid.

CHEM I CAL HAZ ARD

Dry clean ing sol vents used to clean parts may be po ten tially dan ger ous. Avoid in ha la tion o f fumes and also pro longed con ­tact with skin.

RE SUS CI TA TION

Per son nel work ing with or near high volt ages should be fa mil iar with mod ern meth ods of re s us ci ta tion.

SAFETY SYM BOLS

WARNING

Warn ing notes call at ten tion to a pro ce dure, which if not cor rectly per formed, could re sult in per sonal in jury.

CAU TION

Cau tion notes call at ten tion to a pro ce dure, which if not cor rectly per formed, could re sul t in dam age to the in stru -

ment.

MODEL 4450 THRULINE WATTMETER WARNING STATE MENTS

The fol low ing safety warn ings ap pear in the text and are re peated here for em pha sis.

WARNING
Ex po sure to RF power ra di a tion and the pos si bil ity of RF shock or burns ex ists with some o p er at ing con di tions. Al ­ways be sure to turn off trans mit ter when con nect ing or dis con nect ing wattmeter. Be sure tra ns mis sion line is ter mi -

nated into a load or an tenna.

WARNING

Pro vide ad e quate ven ti la tion and ob serve nor mal pre cau tions when us ing dry clean ing sol vents. Many dry clean ing

agents emit toxic fumes that be harm ful to your health if in haled. Avoid ex ces sive skin con tac t or in ha la tion of the

fumes when us ing any dry clean ing sol vents.

MODEL 4450 THRULINE WATTMETER CAU TION STATE MENTS

ii

The fol low ing equip ment cau tions ap pear in the text and are re peated here for em pha sis.

CAU TION

Do not drop the Thruline Wattmeter equip ment or sub mit it to hard blows. The volt me ter cir cuit ry or microammeter ,

even though it is shock mounted, may be dam aged by se vere im pact.

CAU TION

Clean the me ter glass only when nec es sary and be care ful not to use an ex ces sive amount of wa ter/de ter gent so lu tion

that might drip in side the hous ing and dam age the elec tri cal com po nents.

About This Man ual

About This Man ual

This in struc tion book cov ers the model 4450 Thruline Wattmeter
This in struc tion book is ar ranged so that es sen tial in for ma tion on safety is con tained in the front of the book. Read ing the

Safety Pre cau tions Sec tion be fore op er at ing the equip ment is strongly ad vised.
The re main der of this In struc tion Book is di vided into Chap ters and Sec tions. Fig ures and t a bles are num bered se quen tially

within each chap ter. At the be gin ning of each chap ter a gen eral over view will be given, de sc rib ing the con tents of that chap ­ter.

OP ER A TION

First time op er a tors should read Chap ter 1 - In tro duc tion, and Chap ter 3 - Prep a ra tion f or Use, to get an over view of equip ­ment ca pa bil i ties and how to in stall it. An ex pe ri enced op er a tor can re fer to Chap ter 4 - Op er ating In struc tions. All in struc ­tions nec es sary to op er ate the equip ment, are con tained in this sec tion.

MAIN TE NANCE

All per son nel should be fa mil iar with pre ven tive main te nance found in Chap ter 5 - Main te nance. If a fail ure should oc cur, the
trou ble shoot ing sec tion will aid in iso lat ing and re pair ing the fail ure.

PARTS

For lo ca tion of ma jor as sem blies or parts re fer to the part lists and as so ci ated draw ings in the main te nance chap ter.

CHANGES

Changes to this pub li ca tion will be made avail able in sup ple ments. To keep your in struc tion book ac cu rate and up to date, it
is rec om mended that a pe ri odic re quest of the lat est sup ple ment be made. It will be sup pli ed at no cost. When re quest ing up ­dates, ref er ence your in struc tion book part num ber and its re vi sion level listed on the ti t le page.

RE PORTING ER RORS

It is our goal to pro vide our us ers with the in for ma tion needed to op er ate and main tain the Thruline Wattmeter. If you should
dis cover any er rors in this pub li ca tion, or if you have sug ges tions for im prov ing this in struc tion book, please send your com ­ments to our fac tory.

Ta ble of Con tents

v

Safety Pre cau tions ............................ i

Model 4450 Thruline Wattmeter Warn ing State ments ............. i

Model 4450 Thruline Wattmeter Cau tion State ments .............. ii

About This Man ual ........................... iii

In tro duc tion Chap ter 1

Pur pose and func tion .......................... 1-1

De scrip tion .............................. 1-1

Per for mance Char ac ter is tics and Ca pa bil ities ................ 1-1

Power Re quire ments .......................... 1-1

Spec i fi ca tions .............................. 1-2

Out line Draw ing ............................. 1-2

Sche matic Di a gram ........................... 1-3

The ory Of Op er a tion Chap ter 2

Traveling Wave Con cept ........................ 2-1

Traveling Wave vs Stand ing Wave .................... 2-1

Cou pling Cir cuit ............................ 2-1

Re flected Power Read ing ........................ 2-1

In stal la tion Chap ter 3

Por ta bil ity .............................. 3-1

Con nec tions ............................. 3-1

Op er ating In struc tions Chap ter 4

Pre lim i nary Set-up ........................... 4-1

Re verse Power Op er a tion ........................ 4-1

Load Power ............................. 4-1

VSWR Cal cu la tions .......................... 4-2

Main te nance Chap ter 5

Gen eral ................................ 5-1

Sales / Re pair Fa cil ities ......................... 5-1

Sales Fa cil ities ............................ 5-1

Pre ven tive Main te nance .......................... 5-2

Trou ble shooting ............................. 5-2

Re pair ................................. 5-3

Re move Back Cover .......................... 5-3

Cir cuit Board Re pair or Re place ment ................... 5-3

Cal i bra tion Board and Me ter Re moval ................... 5-3

Range and Mode Switch Re place ment .................. 5-4

Re place ment Parts List .......................... 5-5