
Ta ble of Con tents
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
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