IFR COM-120C, Operation Manual

Page: 34 / 326

1-17
SECTION 1
I N T R O D U C T I O N
F R EQ U EN C Y 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 :
2 , 5 , 1 0 , 2 0 , 5 0 , 1 0 0 k H z f u l l s c a l e
1 0 H z ( 2 , 5 a n d 1 0 k H z r a n g e )
1 0 0 H z ( 2 0 , 5 0 a n d 1 0 0 k H z r a n g e s )
±
5 % f u l l s c a l e ,
±
5 0 H z ,
±
1 d i g i t + s o u r c e
r e s i d u a l F M ( 3 0 0 k H z I F B W , 1 k H z t o n e ,
5 k H z d e v i a t i o n , C - M e s s a g e w e i g h t e d
f i l t e r )
0 t o 2 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
∅
M M E T 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 :
1 , 2 , 5 , 1 0 r a d p e a k f u l l s c a l e
0 . 0 1 r a d ( 1 a n d 2 r a d s c a l e s )
0 . 1 r a d ( 5 a n d 1 0 r a d s c a l e s )
±
5 % o f f u l l s c a l e
±
0 . 1 r a d ,
±
1 c o u n t +
s o u r c e r e s i d u a l P M ( 3 0 0 k H z I F B W ,
1 k H z t o n e , 1 . 0 r a d d e v i a t i o n , C - M e s s a g e
w e i g h t e d f i l t e r )
1 0 0 H z t o 6 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