%? %? %? %? t e l : + 8 6 - 3 1 1 - 8 7 0 9 1 8 9 1 8 7 0 9 1 8 8 7 f a x : + 8 6 - 3 1 1 - 8 7 0 9 1 2 8 2 h t t p : / / w w w . c n - b o w e i . c o m e - m a i l : c j i a n @ c n - b o w e i . c o m 7 f e a t u r e s %? t h i n f i l m c o u s t r a c t i o n %? h e r m e t i c p a c k a g e t o 8 b - %? o p e r a t i n g t e m p e r a t u r e r a n g e s p e c i f i c a t i o n s ( m e a s u r e d i n a s y s t e m v c c = + 1 5 v t a = - 5 5 + 8 5 5 0 ? , , ! ?^ ! ) 1 . f u n c t i o n a l s c h e m a t i c s h o w n a s f o l l o w i n g , w h i c h i n c l u d e a n i n t e r n a l c o u p l i n g c a p a c i t o r . 2 . i n t e r e x c h a n g a b l e i n p u t a n d o u t p u t p o r t s 3 . c a s c a d e d w i t h a m p l i f i e r c a n b e u s e d a s v g c a m p l i f i e r 4 . s e e a s s e m b l y s e c t i o n f o r m o u n t i n g m e t h o d v o l t a g e v a r i a b l e a t t e n u a t o r s p a r a m e t e r s y m b o l u n i t g u a r a n t e e d t y p i c a l f r e q u e n c y r a n g e i n s e r t i o n l o s s v s w r o f i n p u t / o u t p u t d c s u p p l y c o n t r o l v o l t a g e b o w e i i n t e g r a t e d c i r c u i t s c o . , l t d . b w e i o d b f ?^ f l h m h z v s w r f r e q u e n c y ( m h z ) t y p i c a l p e r f o r m a n c e d b a p p l i c a t i o n n o t e s . v s w r v s f r e q u e n c y f r e q u e n c y ( m h z ) f r e q u e n c y ( m h z ) c o n t r o l v o l t a g e ( v ) h e 4 1 1 b : - 5 5 + 8 5 ! ?^ ! d c c u r r e n t c o n t r o l c u r r e n t a t t e n u a t i o n m a x ) ( a m a x i l v s w r v c c v c o i c c i c o 2 0 ?^ 5 0 0 3 1 1 . 8 2 . 0 : 1 v m a m a v 3 3 1 . 5 1 . 4 : 1 + 1 5 1 4 0 ?^ 1 5 0 ?^ 7 1 5 2 4 3 h e x x x 1 . v c c 2 . r f i n p u t 3 . g n d 4 . r f o u t p u t 5 . v c o t o - 8 b 1 2 3 4 5 0 1 0 0 3 0 0 1 . 5 v 4 0 0 2 0 0 1 5 v 0 0 . 8 v 0 . 7 v 0 v 4 0 6 0 7 0 5 0 3 0 1 0 2 0 5 0 0 0 1 0 0 3 0 0 4 0 0 2 0 0 0 1 . 5 v 1 5 v 1 v 5 0 0 1 0 0 3 0 0 4 0 0 5 0 0 2 0 0 1 . 6 1 . 8 2 . 0 2 . 2 1 . 0 1 . 2 1 . 4 0 v s w r i v s w r o 1 8 1 2 6 t a = + 2 5 ! t a = + 8 5 ! t a = - 5 5 ! 1 2 9 6 4 5 1 5 3 3 0 1 5 0 0 f = 5 0 0 m h z f = 1 0 0 m h z 1 5 v 1 . 5 v 0 . 8 v 0 . 7 v 0 v a t t e n u a t i o n ( d b ) a t t e n u a t i o n ( d b ) a t t e n u a t i o n ( d b ) a t t e n u a t i o n v s . c o n t r o l v o l t a g e d c s u p p l y : + 1 8 v d c i n p u t p o w e r : + 2 0 d b m s t o r a g e t e m p : ! + 1 2 5 a b s o l u t e m a x i m u m r a t i n g s a t t e n u a t i o n v s . f r e q u e n c y a t t e n u a t i o n v s t e m p e r a t u r e .
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