Vect Or Err Or Pea K Tests - Aeroflex 3900 Series Option Manual

Ve c to r Er r o r Pe a k T e sts
test_v ector_e rro r_pea k_av g
test_ve ctor_erro r_ peak _max
Sum mary
T h e t e s t _ v e c t o r _ e r r o r _ p e a k_ x x x c o m m a n d s m e a s u r e t h e v e c t o r e r r o r o f t h e r e c e i ve d
s ym b o l s w i t h r e s p e ct t o t h e i d e a l s y m b o l p o in t s f o r t h e b u r s t . T h i s m e a s u r e m e n t i s t a ke n
o v e r t h e m i d d l e o f t h e b u r st m e as u r ed a t t h e s y m b o l po i n t s t h r o u g h a T E T R A f i l t e r . T h e
R M S v a l u e i s t h e r o o t m e a n sq u a r e o f a l l t h e s y m b o l s .
T h e P e a k V e c t o r E r r o r ( a v e r a g e o r m ax i m u m , d e p e n d i n g o n w h i c h o f t h e t e s t s i s se l e c t e d )
i s m e a s u r e d o v e r t h e n u m b e r o f b u r s t s s p e c i f i e d f o r t h i s t e s t b y t h e
s e t _ v e c t o r _ e r r o r _ p e a k _ s a m p l e s c o m m a n d .
Co mmand Par amet er s
N o n e
Rel ate d S cri pt Co mmands
C o m m a n d
set_ptt_timeout
set_vector_error_peak_limit
set_vector_error_peak_samples
R esul ts
I f t e s t c o m p l e t e s . . .
Within limits
Limits exceeded
I f t e s t f a i l s t o c o m p l e t e . . .
PTT timeout
Timeout
Not in call
D uri ng a Simp lex call w hen PTT is not alr eady p ressed, user is pr ompted Pl ease pre ss P TT. Whe n
PTT is n ot p ressed wit hin t he pt t_t imeout peri od, t he t est f ails.
While the test run s, a progr ess ba r di splays th e accumula tion of sa mp les.
T E T R A M S A u t o T e s t C o m ma n d s
P a r a m e t e r s
0 (n o ti me out) | 5 to 9 9 ( in
sec)
0.1 to 99.9 (in %)
1 to 250
V ector E rro r P eak T est - A vg , C H3 600/1 PL0 4 21. 2% ( 30.0)
V ector E rro r P eak T est - Max, CH 3600/ 1 P L04 3 8.9% (30. 0), FA IL
V ector E rro r P eak T est - A vg , P TT not pressed, FA IL
V ector E rro r P eak T est - A vg , N o bu rsts, FA IL
V ector E rro r P eak T est - Max, Not in a call, FA IL
3-8
D e f a u l t E q u i v a l e n t T i l e
V a l u e
20 se c Au toTest - (N o T ile)
30% Conf ig - Tx Meas
20
Measur ements
E x a m p l e
E x a m p l e
L im its
T est - Tx