Tx M Ea S U R Em En T S L I Mit S Co Nf Ig Ur At I On Til E; Tetra Bs And Bs T1; Def Ault Val Ues - Aeroflex 3900 Series Option Manual

T x M e as ur em e n ts L i m i t s C o n fi g u r a ti o n T i l e
The Tx Measur ement s Tile defi nes P ass/Fail lim its that ar e appl ied t o measur ements on t he T x
Measure m ents, Mo dulati on Accur acy and Pow er Pro file T iles. The limi ts show n on t he Tx Mea s urement
bar gra phs ar e also obta ined f rom the Tx Measur ements Limits se ttin gs.
The limits applicabl e to the Nor m al B urst Type are set indepen dently fro m those appli cable t o th e
Con tro l B urst Typ e. T he T ile for ea ch bu rst type is opened by select ing Nor mal or C on tr ol in the Bu rst
drop -dow n men u. The Toggle But tons Enab le/D isable para me ters (or gr oups of par amete rs).

TETRA BS and BS T1

TET RA B S an d B S T 1 Tx Me asuremen t Li mi ts ar e simila r t o th e TE TR A MS w ith the f ollow ing
excepti ons:
T h e B u r st P o w e r m e a s u r e m e n t h a s s e p a r a t e up p e r a n d l o w e r l i m i t s , s o t h a t a s y m m e t r i c
l i m i t s c a n b e s e t , e . g . + 3 d B / - 4 d B w i t h r e s p e c t t o t h e n o m i n a l p o w e r l e v e l .
T h e m o d u l a t i o n a c c u r a cy m e a s u r e m e n t s h a v e u p p e r l i m i t s o n l y .
T h e u p p e r a n d l o w e r l i m i t s f o r t h e b u r st p o w e r m e a s u r e m e n t a r e a p p l i ed w i t h r e s p e c t t o t h e
B a s e S t a t i on P o w e r C l a s s v a lu e s e t o n t h e
TE TR A BS T 1 Bur s t T ype
A s e p a r a t e s e t o f l i m i t s is s e t f o r e a c h B u r s t T y p e . T h e s e l i m i t s a r e a p p l i e d t o t h e
m ea s u r e m e n t s m a d e f r o m t h e a ct i v e M e a s u r e m e n t s T i l e s , i n c o n j u n c t i o n w i t h t h e B u r s t T y p e
s e le c t i o n d r o p - d o w n m e n u o n a n y a c t i v e M e a s u r e m e n t T i l e s . T h e B u r s t T y p e f o r w h i ch t h e
l i m i t s a r e b e i n g s e t i s s e l e ct e d f r o m t h e B u r s t d r o p - d o w n m e n u . D e f a u l t s e t t i n g i s T S 1 + 2 .
T h e l i m i t s se t f o r T S 1 + 2 b u r s t s a r e a p p l i e d t o b u r s t s o f e i t h e r t y p e i f T S 1 + T S 2 i s s e l e c t e d o n a
m ea s u r e m e n t s c r e e n . T h e s e v a lu e s c a n b e d i f f e r e n t f r o m e i t h e r t h e T S 1 o r t h e T S 2 l i m i t s . T h e
T e s t S e t m e a s u r e s b u r s t s o f t h e s e l ec t e d t y p e ( s ) a n d d i s r e g a r d s b u r s t s o f o t h e r t y p e s .
F i g . 4 - 1 6 T E T R A M S T x M e a s u r e m e n t L i m i t s C o nf i g u r a t i o n T i l e
De faul t V a lue s
Tw o sets of d efault Pa ss/ Fail limits are a vailable for init ializing the setti ngs. These defaul t limit s ar e
based on t he E TSI specif ication for te sting equipment to be u sed und er normal envir onmental
temper atur e a nd humid ity con dition s, and less st ringe nt l imits f or u s e unde r e xt reme condit ions.
Fig. 4- 16 show s [ Nor mal] defaul t valu es.
[In iti al ize F ro m] Soft Ke y
P r e s s t h e [ I n i t i a l i ze F r o m ] s o f t k e y , f o l l o w e d b y e i t h e r t h e [ N o r m a l ] o r [ E x t r e m e ] s o f t k e y t o
i n i t i a l i ze t h e l i m it s t o t h e D ef a u l t v a l u e s . T h i s a c t i o n r e s e t s A L L o f t h e l i m i t s t o t h e d e f a u l t
v a lu e s f o r t h e s e l e c t e d B u r s t t y pe .
C o m m o n T E T R A C o n f i g u r a t i o n T i l e s
4-26
BS P aramet ers Con figur ation Tile .