Bird-technologies 4450 Manual de usuario

IN STRUC TION BOOKOP ER ATING IN STRUC TIONSWITH PARTS LISTMODEL 4450THRULINE ® WATTMETER

List of Fig uresOut line Draw ing ... 1-2Schematic Di a gram ... 1-3Zero Ad just ment Screw ...

Chap ter 1In tro duc tionPurpose and function The Model 4450 Thruline Wattmeter is an in ser tion-type RF wattmeter de signed to mea sure RFpower flow

Spec i fi ca tionsIm ped ance 50 ohms nom i nalPower range 5/25/100 WattsIn ser tion VSWR 1.10 max i mumCon nec tors Bird QC type, Fe male N nor mally

Sche matic Di a gram - 1-3

Bird Model 4450 Thruline Wattmeter1-4

Chap ter 2The ory Of Op er a tionTraveling WaveConceptThe op er a tion of the Model 4450 Wattmeter is based on the trav el ing wave con cept of RF tra

will be in di cated on the microammeter as the power op po site to the for ward power, or re flecte dpower. Bird Model 4450 Thruline Wattmeter2-2

Chap ter 3In stal la tionPortability The Model 4450 THRULINE Wattmeter is a por ta ble unit and the hous ing is not de signed forfixed mount ing. A le

Bird Model 4450 Thruline Wattmeter3-2

Chap ter 4Op er ating In struc tionsThe ap par ent fea tures of the Thruline equip ment have been dis cussed in the pre ced ing sec tio ns. As pre vi

LIMITED WAR RANTYAll 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

VSWR Calculations Af ter ob tain ing the for ward and re flected power read ings de scribed above, the VSWR may befound by cal cu la tion as de scribe

Chap ter 5Main te nanceGen eralThis chap ter con tains op er a tor main te nance in struc tions, trou ble shoot ing and parts in f or ma tion.With the

Pre ven tive Main te nanceW A R N I N GProvide adequate ventilation and observe normal precautions when using dry cleaningsolvents. Many dry cleaning

Re pairAl though the Model 4450 is de signed to be rug ged and pro vide years of trou ble-free ser vice, o c ca -sional re pair or re place ment may b

5. Re in stall the me ter and cal i bra tion board by re vers ing the dis as sem -bly pro ce dure. Do not tighten the me ter mount ing screws ex ces -

Re place ment Parts ListQTY . DE SCRIP TION PART NUMBER1 Line sec tion as sem bly 4450-0031 Mount ing bracket 450-0202 PC board mount ing brack ets

QUAL ITY IN STRU MENTSFOR RF POWER MEASUEMENTFrom 2 to 2300 MHz and from 25 milliwattsto 250 ki lo watts in 50 ohm co ax ial line sys temsTERMALINE ®A

IN STRUC TION BOOKOP ER ATING IN STRUC TIONSWITH PARTS LISTMODEL 4450THRULINE ® WATTMETER© Copy right 1994 by Bird Elec tronic Cor po ra tionIn struc

Safety Pre cau tionsSafety Pre cau tionsThe 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

MODEL 4450 THRULINE WATTMETER CAU TION STATE MENTSThe fol low ing equip ment cau tions ap pear in the text and are re peated here for em pha sis.CAU T

About This Man ualAbout This Man ualThis in struc tion book cov ers the model 4450 Thruline WattmeterThis in struc tion book is ar ranged so that es s

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Ta ble of Con tentsSafety Pre cau tions ....... iModel 4450 Thruline Wattmeter Warn ing State ments .... iModel 4450 Thr