Me A Su Re Me N Ts T Il Es; Tx Measu Rement S Tile - Aeroflex 3900 Series Option Manual

M ea su r e m en t s T i l e s
Measure m ents T iles di splay t he r esults of mea su rement s of the signals produ ced by the mo bile u nder
test . A ny t wo Measure me nt T iles can be vi ewed wh en t he displ ay is min imized; they ca n also be
maximized t o f ull scr een d isplay.
T x M e a su r e m ent s T i le
The Tx Measureme nts T ile shows the r esults of measure m ents made t o the signal rece ived f rom the
mobile u nder test. U pper and Low er limits a re de fined on th e
Tile .
F i g . 9 - 6 T E T R A D M T x M e a s u r e m en t s T i l e - M a x i m i z e d V i e w
Re s ults Di sp la y
The result s of the measure me nts a re sh own numeri c ally and as b ar g raphs whe n Til e is maxi mi ze d.
The result s of measur ements a re p resent ed a s diff eren t cr iter ia f or d iffe rent test s, t o give the mo st
appr opria te mea surement s. The result s ar e obt ained by making measure m ents o n all of the symbo ls
over the rang e of the number of samples ( bur sts) specified for th e te st. These crit eria are listed
below .
A verage value of all of th e samples measured .
a v g
Maximum value o f the bur st tha t pro duced the h ighest r esult fr om the nu mb er of
m a x
sample s measur ed.
Minimu m value of t he bu rst that pro duced t he lo west resu lt f rom t he n umber of
m i n
sample s measur ed.
Wo rst Case value of the bur st t hat produ ced t he lo west or high est r esult fr om t he
w / c
numb er o f sample s measur ed.
Bur s t
T h e B u r st m e n u s e l e c t s t h e B u r s t t y p e s t r a n s m i t t e d b y t h e m o b i l e . M a s t e r , N o r m a l , S y n c a n d
I n i t i a l b u r s t t yp e s a r e t r a n s m it t e d b y t h e m o b i l e w h e n i t i s op e r a t i n g a s t h e M a s t e r . S l a ve b u r s t
t y p e i s t r a n s m i t t e d b y t h e m o b i l e w h e n i t i s o pe r a t i n g a s t h e S l a v e .
P o w e r
T h e P o w e r M e a s ur e m e n t s ho w s t h e a v e r a g e p o w e r d u r i n g t h e m e a s u r e d b u r s t . T h i s
m ea s u r e m e n t i s t a k e n o v e r t h e u sa b l e p a r t o f t h e b u r s t m e a s u r e d a t t h e s y m b o l p o i n t s t h r ou g h
a T E T R A f i l t e r . A v a i la b l e u ni t s o f m e as u r e m e n t a r e d B m o r W .
T E T R A D M S y s t e m
9-6
T x Measure me nts Limit s Co nfigur atio n