IFR COM-120C, Operation Manual

Page: 35 / 326

1-18
SECTION 1
I N T R O D U C T I O N
A M M O D U L A T I O N M ET ER
R a n g e :
R e s o l u t i o n :
A c c u r a c y :
M o d u l a t i o n R a t e :
C a r r i e r R a n g e :
C a r r i e r L e v e l :
T / R C o n n e c t o r :
A N T C o n n e c t o r :
A G C A t t a c k T i m e :
1 % t o 1 0 0 %
0 . 1 %
±
5 % o f f u l l s c a l e ,
±
1 c o u n t + s o u r c e
r e s i d u a l A M ( 3 0 0 k H z I F B W , 1 k H z t o n e ,
5 0 % A M d e p t h , C - M e s s a g e w e i g h t e d
f i l t e r )
5 0 H z t o 1 0 k H z
2 5 0 k H z t o 1 G H z ( T h e r e c e i v e d
f r e q u e n c y m u s t b e w i t h i n t h e I F
b a n d p a s s o f t h e C O M - 1 2 0 C . )
0 t o + 5 3 d B m
- 6 0 t o 0 d B m
5 0 m s m a x i m u m
R F PO WER M ET ER
M e t e r R a n g e s :
R e s o l u t i o n :
A c c u r a c y :
F r e q u e n c y R a n g e :
R F L e v e l R a n g e :
U s a b l e L e v e l :
O p e r a t i n g C o n d i t i o n s :
V S W R :
A l a r m s :
2 m W t o 2 0 0 W i n a 1 - 2 - 5 s e q u e n c e
1 % o f f u l l s c a l e o r 0 . 1 m W , w h i c h e v e r i s
g r e a t e r
±
1 0 % ,
±
0 . 1 m W ,
±
1 d i g i t ( > 2 0 0 m W , 1 5
°
C
t o 3 6
°
C )
±
1 5 % ,
±
0 . 1 m W ,
±
1 d i g i t ( < 2 0 0 m W
b e l o w 1 5
°
C a n d a b o v e 3 5
°
C )
1 . 5 M H z t o 1 G H z
2 m W t o 2 0 0 W a v e r a g e p o w e r
0 . 2 m W t o 2 0 0 W a v e r a g e p o w e r
( c h a r a c t e r i s t i c s b e l o w 2 m V n o t
s p e c i f i e d )
5 0 W C W c o n t i n u o u s ( 5 0
°
C )
1 0 0 W C W ( 9 0 s e c / 3 m i n , 5 0
°
C )
1 5 0 W C W ( 3 0 s e c / 3 m i n , 5 0
°
C )
2 0 0 W C W ( 1 5 s e c / 3 m i n , 5 0
°
C )
1 . 1 5 : 1 ( 0 . 2 5 t o 1 0 0 M H z )
1 . 2 3 : 1 ( 1 0 0 t o 4 0 0 M H z )
1.38:1 (400 MHz to 1 GHz)
A u d i b l e a n d v i s u a l ( i f a p p l i e d p o w e r
e x c e e d s 2 0 0 W i n t h e 2 0 0 W r a n g e o r t h e
C O M - 1 2 0 C ’ s P o w e r T e r m i n a t i o n
A s s e m b l y t e m p e r a t u r e e x c e e d s 1 0 5
°
C )