M Ete Rs T Ile - Viavi 3900 Series Operation Manual

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7.5.6
Me ter s T ile
Th e M ete rs Ti le d isp la ys the re su lts of R F, AF a nd m od u latio n m ea su re m en ts pe rfo rm ed
on sig na ls f rom e qu ip me n t un de r te st. T h e fie ld s pr es en t on th e d isp lay va ry a cc or din g to
th e D e m od se ttin g se lec ted o n the A na lyz er s T ile .
Whe n th e M ete rs T ile is m ax im ize d (e xa m ple a bo ve ) six m e ters a re d isp lay e d: up to th re e
of the se m e ter s c an b e s ele c ted fo r d isp lay o n t he m inim iz e d T ile .
7. 5. 6. A
M eas ur emen t M eter T yp es
7. 5. 6. A. 1
M od ul a tio n M ea su rem en ts
Th e typ e o f m o du lati on m ea su re m en t m ete r d isp la ye d is de pe n de nt o n the D em o d s ett ing
on th e An aly ze rs Ti le. Whe n D e m od is se t to F M , th e F M D e via tion M e ter is d is pla ye d.
Whe n D em o d is s et t o A M , th e A M De p th M e te r is dis pl ay ed .
7. 5. 6. A. 2
No is e M eas ur emen ts
Th e typ e o f n ois e m e as ur em e nt m e te r d isp lay ed is d e pe nd en t o n th e typ e o f n ois e m e te r
se lec te d ( Dis to rtio n, SN R , S IN A D an d H u m & N ois e) us ing th e No ise M e ter s S o ft K ey .
7. 5. 6. B
M eter D efi ni ti on s
7. 5. 6. B. 1
AM Dep th M ete r
Th e AM De pt h M e te r m e as ure s the a m ou nt of A M m o du la tion p res e nt o n an A M
M od ula te d RF S ign a l re ce ive d by the 3 90 0. Th e AM De pt h m e as u rem e nt is d is pla ye d on
th e A n aly ze rs an d M e te rs Tile s.
7. 5. 6. B. 2
Au di o L ev el M e ter
Th e Au d io L e ve l M ete r m e a su res th e a m p litud e of au dio s ign als a pp lied to th e Au dio 1
an d Au d io 2 C on n ec tor s, a llo win g th e u se r to e va lua te th e a m pli tud e of t he de m o du lat ed
au di o p ro du ce d by a r ec eiv er un de r te s t. T he am p litu de m e as ure m e nt is d isp lay ed o n t he
An a lyz ers a nd M et ers T iles . T he A na ly ze rs T ile al low s the u se r to se le ct a n au di o fil ter
w hic h f ilter s th e au di o s ign a l pr ior to m e a su rem e nt .
A n al og D up le x S y st em
F ig. 7-4 3 M et ers T ile - M ax im ize d Vie w
7 - 54

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