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FEATURES
*
A c c u r a t e
a t t e n u a t i o n
o v e r a w i d e range f r o m
1
M H z .
*
M e t a l l i c f i l m resistors are used t h r o u g h o u t t h e c i r c u i t r y
t o p r o v i d e e x c e l l e n t t e m p e r a t u r e c h a r a c t e r i s t i c a n d ac-
c u r a t e a t t e n u a t i o n a c c u r a c y .
*
A d o p t i o n o f phase c o m p e n s a t i o n e l i m i n a t e s phase d e v i a -
t i o n
i n
h i g h
f r e q u e n c i e s ,
pulse
signals.
*
Since t h e case is o f t h e f l o a t i n g g r o u n d s y s t e m , t h e u n i t
can be r e a d i l y c o n n e c t e d t o an e l e c t r o n i c d e v i c e h a v i n g
a d i f f e r e n t case p o t e n t i a l . B y g r o u n d i n g t h e case, t h e
m e a s u r e m e n t a c c u r a c y is f u r t h e r
*
R o t a r y s w i t c h e s are used f o r easy d i a l s e t t i n g .
D C
t o
p e r m i t t i n g
a t t e n u a t i o n
o f
i m p r o v e d .
SPECIFICATIONS
F r e q u e n c y Range:
A t t e n u a t i o n Range:
I n p u t / O u t p u t I m p e d a n c e :
M a x i m u m I n p u t L e v e l :
A t t e n u a t i o n A c c u r a c y ( l k H z ) :
Less t h a n
Less t h a n
Less t h a n
F r e q u e n c y C h a r a c t e r i s t i c ( r e f e r e n c e f r e q . 1 k H z )
D C - 8 0 k H z :
D C - 1 0 0 k H z :
D C - 1 5 0 k H z :
D C - 1 5 0 k H z :
DC-1 M H z :
M a x i m u m F l o a t i n g V o l t a g e :
( D C + A C p e a k ) :
A m b i e n t T e m p e r a t u r e :
O p e r a t i n g T e m p e r a t u r e :
D i m e n s i o n s :
W e i g h t :
Accessories:
DC-1
M H z
0 - 1 2 1 d B (0.1 d B step)
6 0 0 o h m , ± 10 o h m
+ 2 7 d B m or 0 . 5 W or 1 7 V r m s
± 0 . 2 d B
± 0 . 1 d B f o r 1 d B step range
± 0 . 0 1 d B f o r 0.1 d B step range
± 0 . 2 d B ( 0 - 1 2 1 d B )
± 0 . 2 d B ( 0 - 1 0 0 d B )
± 0 . 5 d B ( 0 - 1 0 0 d B )
± 1 d B ( 0 - 1 2 1 d B )
± 1 . 5 d B ( 0 - 6 0 d B )
± 6 0 0 V
2 3 ° C ± 1 0 ° C
0 ° C -
5 0 ° C
3 3 5 ( W ) x 8 7 ( D ) x 1 0 5 ( H ) m m
2 k g
I n s t r u c t i o n m a n u a l
S h o r t i n g bar
C o v e r ( o p t i o n )
S t a n d a r d
A c c e s s o r y f o r
R A - 9 2 0 ( A )
1
1
3
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