Aeroflex ATC-1400A-2 - Page 38

MAI NTENANCE MANUAL
ATC-1400A-2
2-2-2
Page 3 8
Subj e c t to E x p o rt Con t r o l, s e e C o ver P a g e fo r d e tail s . F e b 2/ 0 9
STEP PROCEDURE
15. Set C W / N O R M / O F F S w itch t o O F F .
16. Ap p l y ac p o w e r to P u l s ed RF P o w e r s o u r ce. R e c o rd p o w e r lev e l o n Pe a k P ower
Meter f o r l a ter r e f e r enc e .
17. Adj u s t R7103 ( P o wer A d j u s t) ( 2 - 2 - 2, F i g u r e 26 ) a s nee d e d for r e a d ing o n X MTR
POWER WA T T S Disp l a y ten t i m e s val u e i ndi c a t e d on P e ak P o w e r Meter.
(Power r e a dout i s ±0.5 d B o f a p p l i ed p o w e r . )
18. Decr e a s e po w e r l eve l 1 0 dB. V e rif y r ead i n g is 1 0 X les s t han r e a din g i n St e p 1 6.
Adju s t R 7 103 a s n eed e d f or p r o p er r e a d ing. Inc r e a s e p o w e r lev e l 1 0 dB a n d
veri f y read i n g is 1 0 X more t h a n pre v i ous r e a din g . Repea t a s nee d e d for p r o per
resu l t s .
19 Set PO W E R S w i tch t o O F F . Dis c o n nec t t e st e q u ipment .