Mo D Ulat I On M Easur Emen T S C On Fi Gu Rat Io N Ti Le - Viavi 3900 Series Operation Manual

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7.4.8

Mo d ulat i on M easur emen t s C on fi gu rat io n Ti le

Th e ad jac e nt A v era g es en try fie ld en ter s th e nu m be r o f re a din gs to be a ve ra ge d f or the
AN T In ba n d P o we r m e as ur em e nt for thi s re a din g.
F ig. 7-1 6 A na log D u ple x - M od ula tio ns M e as ure m en ts C on fig ura tio n T ile
7. 4. 8. A
Fi el d / So ft Key Defi ni ti o ns
7. 4. 8. A. 1
F M De mo d M eas
Se ts the F M D em o du lat ion m ea su re m en t th at rea ds th e R M S or Pe a k v alu e. Th e s ele ct ed
op tio n i s s ho w n b es id e th e FM D e via tio n L e ve l fie ld o n th e A n aly ze rs Tile .
7. 4. 8. A. 2
FM M ete r Ty pe
Th is m en u d e fine s the ty pe o f b ar g ra ph d isp lay ed o n the F M D ev iatio n m ete r.
Se le ctin g PK + /- d is pla ys a div ide d ba r g ra ph on th e FM D e via tio n m e te r. T he to p ba r
dis pl ay s th e hig he st FM De via tio n me a su rem e n t. T he b otto m b ar dis pla ys th e low e st F M
D ev iatio n m ea su re m en t.
Se le ctin g PK /2 d isp lay s a s ing le ba r g ra ph w hic h dis pla ys th e a ve ra ge F M D ev iati on
m ea su re m en t.
7. 4. 8. A. 3
FM O ffset Co mp en sati o n
En a blin g FM O ff se t C om p en sa tio n rem o ve s an y fr eq ue n cy off se t th at is re fle cte d on th e
FM De via tio n Me te r b ar gra p h a nd F M D ev iat ion m ea su re m en t.
7. 4. 8. A. 4
Hu m & Noi se Refer en ce L eve l
Se ts R efe re nc e Le ve l fo r H um & N o ise m e as ure m en ts .
7. 4. 8. A. 5
Fi l ter
Se le cts ty pe of filte r to b e in c lud ed in th e s ign a l pa th .
7. 4. 8. A. 6
P so ph Fi l ter
Ps o ph Fi lter m en u se lec ts w h et he r th e CM E S S or the C C ITT P so p ho m etr ic w e igh tin g
filte r a re us ed w he n the P so ph filte r is se le cte d fro m an y o f th e Filt er s el ec tion d rop -d ow n
m en us . Ps op h filte rs a re ty pic ally u se d fo r SIN A D m e as ur em e nts , eith er D e m od o r A u dio .
7. 4. 8. A. 7
300 H z F i l ter T yp e
Se le cts ty pe of 30 0 Hz filt er to b e inc lud e d in th e sig na l p ath .
A n al og D up le x S y st em
7 - 17

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