Rece Iver Tests; Set Ting Fre Quency; Dat A D Isplay; Spe Ct Rum Analyzer - Aeroflex 3900 Series Option Manual

Re ce iv e r Te st s
The signal gener ator w ithin the Test Set pro duces t he f ollow ing sig nals:
S i m u l a t e d b a s e s t a t i o n M a i n C o n t r o l C h a n n e l ( M C C H )
S i m u l a t e d b a s e s t a t i o n T r a f f i c C h a n n e l ( T C H )
T 1 T e s t S i g n a l s T y p e s 1 , 2 , 3 , 4 , 1 5 a n d 1 7 a s d e f i n e d in E N 3 0 0 3 9 4- 1 f o r m o b i l e
t e s t i n g
R F L o o p b a c k a n d T 1 S i g n a li n g C o n t r o l o f m o b i l e T e s t M o d e
S y n c h r o n i z a t i o n t o b a s e s t a t i o n d o w n l i n k f r a m e s t r u c t u r e f o r s y n c h r o n i z e d u p l i n k T 1
T y p e 7 , 8 , 9 a n d 1 0 si g n a l g e n e r a t i o n f o r b a s e s t a t i o n t e s t .
Se tt ing Frequency
When a TE TRA S ystem is selected, t he fre quency of the 3900 R F Sign al Gen erat or and R eceiver can
be d efined by t he user w hen No Plan is sele ct ed a s the Cha nnel P lan. Re fer to Chap ter 4, section
tit led Cha nnel Plans Con figur ation Tile
Da ta Dis play
Dat a D isplay Mo de all ows data burst s tr ansmitt ed by b ase sta tions and mobi les to be e x amined. The
data is di sp layed a s demodul ated burst dat a af ter de-scr ambling and channel decoding have been
per formed .
Use of Dat a D isplay Mode is de scribed in t he sect ion t itled
TET RA Oper ation .
Sp ec tr um Anal y z er
The Spect rum A nalyzer
Ref er t o C hapte r 6 of the 3900 S erie s Ope rat ion Manual for a det ailed d escript ion of the u se of t his
instr ument.
Cha n n el Ana ly z e r
The Chan nel A nalyzer
St ation over a 5 MHz b andw idth, cente red on t he set C hannel Fre quency. The MMI is provid ed by
the Cha nnel A nalyzer
The signal for the Anal yzer i s obta ined f rom the r eceiver chai n of the Test Set , in par allel wit h
signals to t he T ETR A signal processo r.
Ref er to Chap ter 6 of the 3900 Ser ies Oper atio n Manua l for a detai led de scr ipt ion of th e use of t his
instr ument.
O sc il l o s co p e
The Oscilloscop e provid es a two ch annel oscill oscope for examining A F w avefor m s a nd events. The
MMI i s pr ovided by t he
connect ors a nd eit her signal can be ro uted to e ither tr ace.
Ref er to Chap ter 6 of the 3900 Ser ies Oper atio n Manua l for a detai led de scr ipt ion of th e use of t his
instr ument.
G en e r al
When a TE TR A System is select ed, the T est S et is conf igure d to pro duce sig nals and per for m
measure m ents a pprop riat e to the selecte d system.
M a n u al an d A ut o m at ic T es t i n g
Manual Test Mode pr ovides contr ol of th e signal par ameter s pr oduced by the Test Se t fo r T ETR A
Mobile (MS) or TE TR A B ase S tat ion ( BS ) testin g. Manual Test Mo de is useful for fau lt f inding or
adjust me nt o f t he mobil e or base statio n und er t est.
The Aut oTest Mode al lows test script s to be r un i n or der to t est t he o perat ional perf orman ce of the
TET RA mobil e.
T E T R A G e n e r a l I n f o r ma t i o n
f or i nfor ma tion on con figur ing C hann el P lans.
all ows the R F spectr al r ange o f t he Te st S et t o be examined.
examines t he spe ct ral emission o f th e RF signal fr om a TE TR A Mob ile or Ba se
.
Oscill oscope. T he input signal s can be rout ed from the dedi cated fr ont panel
Da ta Display Mode
1-4
in Ch apter 2, Co mm on