Tx Measu Rement S Tile - Aeroflex 3900 Series Option Manual

T E T R A M S S y s t e m
T x M e a su r e m ent s T i le
Dur ing regi strat ion, call set up , or w hile tr ansmitti ng dur ing a call , t he mobi le tr ansmits bur st s to the
Test Set allo wing the tr ansmitte r R F paramet ers to b e measur ed. These par ameter s ar e displ ayed
on t he T x Measur ements T ile, or they ma y be vi ewed in d etail on a ny of the Pow er Measure me nt
Tiles or Mo dulat ion A ccuracy Tiles .
The Bur st T yp e select ion co nfigur es ea ch Til e for making measur ements on onl y one type o f bu rst
(N ormal or Con tro l). Dup lex call set- up is reco mmend ed, i f supp ort ed by the mo bile, because it
avoids the n eed t o hol d the mobile 's PT T bu tton ON. S implex call s may also be su bject to li mi ted
tr ansmission p eriod s due to a utonomou s call timers or tra nsmit t imers w ith in t he mobil e. Th e Tx
Measure m ents T ile sho ws t he r esult s of me asuremen ts made to the si gnal r eceived fr om the mobile
under test . Th e resu lts ar e given i n numer ic and gr aphica l for m . Fi g. 5- 7 show s the mi nimized Ti le
gro uped o n the displa y; Fi g. 5- 8 sho ws t he T ile in maximized view.
F i g . 5 - 7 T E T R A M S T x M e a s u r e m e n t T i l e - M i n i m i z e d V i e w
F i g . 5 - 8 T E T R A M S T x M e a s u r e m e n t T i l e - M a x i m i z e d V i e w
M ea s u r e m e n t s c a n o n l y b e m a d e o n b u r s t s w i t h a v a l i d t r a i n i n g s e q u e n c e .
5-9