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1 - 2 - 4
P a g e 1 4
R E V 5 0 0
F e b 2 0 2 1
M e a s u r e s , v e r i f i e s a n d d i s p l a y s M T L f o r t o p
a n d b o t t o m a n t e n n a s , f o r A T C R B S , A T C R B S
A l l - C a l l a n d M o d e S ( P
6
) i n t e r r o g a t i o n t y p e s
i n d B m .
T o p o r B o t t o m a n t e n n a m e a s u r e m e n t i s
s e l e c t e d w i t h D A T A K e y s . T o p a n d B o t t o m
m e a s u r e m e n t s a r e a v e r a g e d a n d v a l u e s a r e
d i s p l a y e d .
N O T E :
W h e n a n A T C R B S c o n f i g u r a t i o n i s
s e l e c t e d ( n o n d i v e r s i t y t r a n s p o n d e r )
o n l y t h e B o t t o m a n t e n n a
m e a s u r e m e n t f i e l d s a r e u s e d .
F r e q u e n c y
W h e n a M o d e S c o n f i g u r a t i o n i s s e l e c t e d , t h e
T e s t S e t i n t e r r o g a t e s w i t h U F 4 , + 6 d B a b o v e
M T L , v e r i f y i n g a D F 4 r e p l y i s r e c e i v e d .
W i t h a n A T C R B S c o n f i g u r a t i o n s e l e c t e d , t h e
T e s t S e t i n t e r r o g a t e s w i t h M o d e A , ( o r M o d e
C i f n o r e p l y i s r e c e i v e d t o a M o d e A ) , + 6 d B
a b o v e M T L .
T e s t a v e r a g e s F r e q u e n c y m e a s u r e m e n t o v e r
4 0 r e p l i e s . T h e v a l u e i s u p d a t e d e v e r y
4 0 r e p l i e s . P A S S / F A I L l i m i t s a r e a p p l i e d .
N O T E :
F r e q u e n c y P A S S / F A I L l i m i t s a r e
d e t e r m i n e d b y s e l e c t e d
c o n f i g u r a t i o n . R e f e r t o A p p e n d i x F .
E R P ( E f f e c t i v e R a d i a t e d P o w e r )
W h e n a M o d e S c o n f i g u r a t i o n i s s e l e c t e d , t h e
T e s t S e t i n t e r r o g a t e s w i t h U F 4 , + 6 d B a b o v e
M T L , v e r i f y i n g a D F 4 r e p l y i s r e c e i v e d .
W h e n a n A T C R B S c o n f i g u r a t i o n i s s e l e c t e d ,
t h e T e s t S e t i n t e r r o g a t e s w i t h M o d e A ( o r
M o d e C i f n o r e p l y i s r e c e i v e d t o a M o d e A )
+ 6 d B a b o v e M T L .
W h e n t h e ( p e a k ) E R P i s m e a s u r e d , t w o
v a l u e s f o r e a c h m e a s u r e m e n t a r e d i s p l a y e d .
I N S T A N T v a l u e s a r e o b t a i n e d f r o m t h e
a v e r a g e p o w e r m e a s u r e m e n t o v e r f i v e r e p l i e s
a n d u p d a t e d e v e r y f i v e r e p l i e s .
T O P a n d B O T T O M v a l u e s a r e o b t a i n e d f r o m
t h e a v e r a g e p o w e r m e a s u r e m e n t o v e r
4 0 r e p l i e s . P A S S / F A I L l i m i t s a r e a p p l i e d a n d
u p d a t e d e v e r y 4 0 r e p l i e s .
N O T E :
E R P P A S S / F A I L l i m i t s a r e
d e t e r m i n e d b y s e l e c t e d
c o n f i g u r a t i o n . R e f e r t o A p p e n d i x F .
N O T E :
E R P a n d M T L U p p e r l i m i t s s p e c i f i e d
i n s e l e c t e d c o n f i g u r a t i o n f i l e a r e n o t
a p p l i e d d u r i n g r a d i a t e d t e s t . T h e
c o n f i g u r a t i o n f i l e u p p e r l i m i t s a r e i n
a c c o r d a n c e w i t h R T C A - D O 1 8 1 C ,
w h i c h a r e b a s e d o n m a x i m u m f e e d e r
c a b l e l o s s o f 3 d B a n d m e a s u r e m e n t
a t t h e a n t e n n a p o r t . E R P a n d M T L
U p p e r l i m i t s a r e o n l y a p p l i e d w h e n
d i r e c t l y c o n n e c t e d t o U U T o r e n d o f
f e e d e r c a b l e . I n p r a c t i c e , m a n y
i n s t a l l a t i o n s h a v e f e e d e r l o s s e s o f
1 d B ( m i n i m u m f e e d e r l o s s ) a n d
a n t e n n a s t h a t e x h i b i t g a i n .
M T L ( M i n i m u m T r i g g e r L e v e l )
W h e n a M o d e S c o n f i g u r a t i o n i s s e l e c t e d t h e
T e s t S e t i n t e r r o g a t e s i n s e q u e n c e w i t h U F 4 ,
M o d e A ( o r M o d e C i f n o r e p l y i s r e c e i v e d t o
a M o d e A ) a n d a n A T C R B S / M o d e S A l l - C a l l ,
v e r i f y i n g M T L f o r e a c h i n t e r r o g a t i o n t y p e .
W h e n a n A T C R B S c o n f i g u r a t i o n i s s e l e c t e d
t h e T e s t S e t i n t e r r o g a t e s w i t h M o d e A ( o r
M o d e C i f n o r e p l y i s r e c e i v e d t o a M o d e A )
a n d a n A T C R B S / M o d e S A l l - C a l l , v e r i f y i n g
M T L f o r e a c h i n t e r r o g a t i o n t y p e .
T o d e t e r m i n e M T L t h e t e s t a d j u s t s R F
i n t e r r o g a t i o n l e v e l f o r 9 0 % r e p l i e s . T w o
v a l u e s f o r e a c h m e a s u r e m e n t a r e d i s p l a y e d .
I N S T A N T v a l u e s a r e o b t a i n e d f r o m t h e M T L
r e a d i n g s . T h e 5 0 % r e p l y p o i n t i s d e t e r m i n e d
b y s e n d i n g 1 0 0 i n t e r r o g a t i o n s . T h e 9 0 %
r e p l y p o i n t i s c a l c u l a t e d f r o m t h e 5 0 % r e p l y
p o i n t .
T O P a n d B O T T O M v a l u e s a r e o b t a i n e d f r o m
t h e a v e r a g e M T L r e a d i n g s o f a l l r e p l i e s
r e c e i v e d d u r i n g t h e M T L T e s t s e q u e n c e .
P A S S / F A I L l i m i t s a r e a p p l i e d .
N O T E :
M T L P A S S / F A I L l i m i t s a r e
d e t e r m i n e d b y t h e s e l e c t e d
c o n f i g u r a t i o n . R e f e r t o A p p e n d i x F .
A - C D i f f e r e n c e
T h e T e s t S e t i n t e r r o g a t e s w i t h M o d e A ( o r
M o d e C i f n o r e p l y i s r e c e i v e d t o a M o d e A ) ,
v e r i f y i n g M T L f o r e a c h i n t e r r o g a t i o n t y p e .
T h e t e s t c o m p a r e s M T L m e a s u r e m e n t s
b e t w e e n M o d e A a n d C . P A S S i s d i s p l a y e d
w h e n d i f f e r e n c e i s < 1 d B . F A I L i s d i s p l a y e d
w h e n d i f f e r e n c e i s > 1 d B .
www.valuetronics.com
Содержание IFR 6000
Страница 1: ...XPDR DME TCAS ADS B TIS UAT TEST SET IFR 6000 Operation Manual www valuetronics com ...
Страница 2: ...www valuetronics com ...
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Страница 12: ...TABLE OF CONTENTS Page 2 REV 500 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
Страница 14: ...INTRODUCTION REV 500 Page 2 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
Страница 18: ...1 TABLE OF CONTENTS Page 4 REV 500 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
Страница 20: ...1 LIST OF ILLUSTRATIONS REV 500 Page 2 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
Страница 22: ...1 LIST OF TABLES Page 2 REV 500 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
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Страница 218: ...1 2 4 Page 154 REV 500 Feb 2021 TIS Operation Flow Chart Figure 1 www valuetronics com ...
Страница 221: ...1 2 4 Page 157 REV 500 Feb 2021 Suggested Layout to Reduce Multipath Errors Figure 11 www valuetronics com ...
Страница 222: ...1 2 4 Page 158 REV 500 Feb 2021 Ramp Testing Figure 12 www valuetronics com ...
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Страница 250: ...APPENDIX A REV 500 Page 4 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
Страница 252: ...APPENDIX B REV 500 Page 2 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
Страница 264: ...APPENDIX C REV 500 Page 12 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
Страница 268: ...APPENDIX D REV 500 Page 4 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
Страница 280: ...APPENDIX G REV 500 Page 2 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
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Страница 310: ...REV 500 APPENDIX J Page 4 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
Страница 312: ...APPENDIX K REV 500 Page 2 Feb 2021 THIS PAGE INTENTIONALLY LEFT BLANK www valuetronics com ...
Страница 315: ...FOR QUALIFIED SERVICE PERSONNEL ONLY BATTERY FUSE INSTRUCTIONS www valuetronics com ...
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Страница 320: ...REV 500 Page 2 Feb 2021 Battery and Fuse Replacement Figure 1 www valuetronics com ...
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