Viavi 3900 Series Operation Manual page 361

AUDI O & MO DUL ATI O N M EAS UREM ENT S ( CON T)
B. 5.6 Sig nal t o No ise Rat io
B. 5. 6. A M od es
M o de
1
2
B. 5. 6. B M eter R an ge
0 to 6 0 dB
B. 5. 6. C Res ol u tio n
0. 01 dB
B. 5. 6. D Acc ur acy
±1 dB , ± 1 c o un t (> 3 dB , 4 0 dB , 5 k Hz L P AF F ilte r)
B. 5. 6. E S ig n al F re qu en cy
30 0 Hz to 5 kH z (E ntry ra ng e 0 to 2 4 ,00 0 Hz )
B. 5. 6. F Au di o I n pu t S ig n al L ev el ( Mo d e 1)
39 01 /3 90 2 : 0. 1 to 8 V rm s
39 20 /3 92 0 B: 0.1 to 30 V rm s
B. 5. 6. G RF L ev el I n pu t (M od e 2)
T/ R: -10 to + 50 d Bm
AN T : -8 0 to +1 0 dB m
B. 5. 6. H Fr on t P an el I n pu ts
Au d io 1 o r 2 : U nb a lan ce d, Ch a ss is re fe re nc e
Au d io 1 a nd 2 : B ala nc ed , 6 0 0
B. 5. 6. I I mpe da nc e
H i-Z (>1 0 k

60 0 U n ba lan ce d inp ut (8 Vr m s M a xim u m in pu t*)

60 0 B al an ce d i np ut

*6 00
Pla tfo rm Sp e cif ica tio ns
S timu lus
R F Ge n era to r
A F G e n era to r


) U n ba lan ce d inp ut
Un ba la nc ed in pu t a uto -s wi tch es to H i-Z @ 8 V rm s (3 92 0 on ly)
S timu lus P or t M ea su re men t
T R/ GE N A F Inp u t
F ctn G en O u t R F R ec eiv er
dif fer en tial inp ut
B - 17
M ea su re men t
In pu t P or t
Au dio In 1 /2
T R /AN T