1 1 q - t e c h c o r p o r a t i o n - 1 0 1 5 0 w . j e f f e r s o n b o u l e v a r d , c u l v e r c i t y 9 0 2 3 2 - t e l : 3 1 0 - 8 3 6 - 7 9 0 0 - f a x : 3 1 0 - 8 3 6 - 2 1 5 7 - w w w . q - t e c h . c o m q - t e c h c o r p o r a t i o n qt 7 8 s e r i e s h i g h - r e l i a b i l i t y m i n i a t u r e c l o c k o s c i l l a t o r s 1 . 8 t o 5 . 0 v d c - 1 5 k h z t o 1 5 0 m h z q t 7 8 ( r e v i s i o n b , j a n u a r y 2 0 0 8 ) ( e c o 9 2 1 7 ) a p p l i c a t i o n s d e s i g n e d t o m e e t t o d a y s r e q u i r e m e n t s f o r l o w v o l t a g e a p p l i c a t i o n s w i d e m i l i t a r y c l o c k a p p l i c a t i o n s s m a r t m u n i t i o n s n a v i g a t i o n i n d u s t r i a l c o n t r o l s m i c r o c o n t r o l l e r d r i v e r 0 . 1 7 0 m a x . 0 . 0 1 8 . 0 0 3 ( 0 . 4 6 0 . 0 8 ) ( 4 . 3 1 8 m a x . ) 0 . 5 5 0 . 0 . 0 0 5 ( 1 3 . 9 7 0 0 . 1 3 ) 0 . 3 5 0 0 . 0 0 5 ( 8 . 8 9 0 . 1 3 ) 0 . 1 0 0 . 0 0 5 0 . 2 0 0 . 0 0 5 ( 2 . 5 4 0 . 1 3 ) ( 5 . 0 8 0 0 . 1 3 ) ( 7 . 6 2 0 0 . 1 3 ) ( 9 . 5 2 5 0 . 1 3 ) p / n f r e q . d / c s / n q - t e c h 4 3 1 2 . 1 3 0 m a x . 0 . 3 0 0 . 0 0 5 0 . 3 7 5 0 . 0 0 5 3 . 3 0 2 m a x . p a c k a g e s p e c i f i c a t i o n s a n d o u t l i n e d i m e n s i o n s a r e i n i n c h e s ( m m ) p i n n o . f u n c t i o n 1 t r i s t a t e o r n c 2 g n d / c a s e 3 o u t p u t 4 v d d 0.39 ( 9. 91) 0.13 ( 3 . 30) 0.13 ( 3 . 30) 0.07 ( 1.78) 0.20 ( 5.08) 0.27 ( 6.86) p a c k a g e m a t e r i a l : 9 0 a l 2 o 3 l e a d m a t e r i a l : k o v a r l e a d f i n i s h : g o l d p l a t e d : 6 0 9 0 i n c h e s t y p i c a l n i c k e l u n d e r p l a t e : 1 0 0 2 2 0 i n c h e s t y p i c a l d e s c r i p t i o n q - t e c h s s u r f a c e - m o u n t q t 7 8 s e r i e s o s c i l l a t o r s c o n s i s t o f a n i c 5 v d c , 3 . 3 v d c , 2 . 5 v d c , 1 . 8 v d c c l o c k s q u a r e w a v e g e n e r a t o r a n d a r o u n d a t h i g h - p r e c i s i o n q u a r t z c r y s t a l b u i l t i n a r u g g e d s u r f a c e - m o u n t c e r a m i c j - l e a d m i n i a t u r e p a c k a g e . f e a t u r e s m a d e i n t h e u s a e c c n : e a r 9 9 d f a r s ( b e r r y a m e n d m e n t ) c o m p l i a n t u s m l r e g i s t r a t i o n m 1 7 6 7 7 a v a i l a b l e a s q p l m i l - p r f - 5 5 3 1 0 / 2 7 , / 2 8 , a n d / 3 0 b r o a d f r e q u e n c y r a n g e f r o m 1 5 k h z t o 1 5 0 m h z r u g g e d 4 p o i n t m o u n t d e s i g n f o r h i g h s h o c k a n d v i b r a t i o n a c m o s , h c m o s , t t l o r l v h c m o s l o g i c t r i - s t a t e o u t p u t o p t i o n ( d ) h e r m e t i c a l l y s e a l e d c e r a m i c s m d p a c k a g e f u n d a m e n t a l a n d 3 r d o v e r t o n e d e s i g n s l o w p h a s e n o i s e c u s t o m d e s i g n s a v a i l a b l e q - t e c h d o e s n o t u s e p u r e l e a d o r p u r e t i n i n i t s p r o d u c t s r o h s c o m p l i a n t
2 q - t e c h c o r p o r a t i o n - 1 0 1 5 0 w . j e f f e r s o n b o u l e v a r d , c u l v e r c i t y 9 0 2 3 2 - t e l : 3 1 0 - 8 3 6 - 7 9 0 0 - f a x : 3 1 0 - 8 3 6 - 2 1 5 7 - w w w . q - t e c h . c o m q - t e c h c o r p o r a t i o n q t 7 8 ( r e v i s i o n b , j a n u a r y 2 0 0 8 ) ( e c o 9 2 1 7 ) e l e c t r i c a l c h a r a c t e r i s t i c s q t 7 8 h i g h - r e l i a b i l i t y m i n i a t u r e c l o c k o s c i l l a t o r s 1 . 8 t o 5 . 0 v d c - 1 5 k h z t o 1 5 0 m h z p a r a m e t e r s q t 7 8 a c q t 7 8 h c q t 7 8 t q t 7 8 l q t 7 8 n q t 7 8 r o u t p u t f r e q u e n c y r a n g e ( f o ) 1 5 k h z 8 5 . 0 0 0 m h z ( * ) 1 5 k h z 1 5 0 . 0 0 0 m h z ( * ) 1 2 5 . 0 0 0 k h z 1 3 3 . 0 0 0 m h z 1 2 5 . 0 0 0 k h z 1 0 0 . 0 0 0 m h z s u p p l y v o l t a g e ( v d d ) 5 . 0 v d c 1 0 3 . 3 v d c 1 0 2 . 5 v d c 1 0 1 . 8 v d c 1 0 f r e q u e n c y s t a b i l i t y ( f / t ) s e e o p t i o n c o d e s o p e r a t i n g t e m p e r a t u r e ( t o p r ) s e e o p t i o n c o d e s s t o r a g e t e m p e r a t u r e ( t s t o ) - 6 2 c t o + 1 2 5 c o p e r a t i n g s u p p l y c u r r e n t ( i d d ) ( n o l o a d ) 2 0 m a m a x . - 1 5 k h z < 1 6 m h z 2 5 m a m a x . - 1 6 m h z < 3 2 m h z 3 5 m a m a x . - 3 2 m h z < 6 0 m h z 4 5 m a m a x . - 6 0 m h z 8 5 m h z 3 m a m a x . - 1 5 k h z < 5 0 0 k h z 6 m a m a x . - 5 0 0 k h z < 1 6 m h z 1 0 m a m a x . - 1 6 m h z < 3 2 m h z 2 0 m a m a x . - 3 2 m h z < 6 0 m h z 3 0 m a m a x . - 6 0 m h z < 1 0 0 m h z 4 0 m a m a x . - 1 0 0 m h z < 1 3 0 m h z 5 0 m a m a x . - 1 3 0 m h z 1 5 0 m h z 3 m a m a x . - 1 2 5 k h z < 5 0 0 k h z 6 m a m a x . - 5 0 0 k h z < 4 0 m h z 1 5 m a m a x . - 4 0 m h z < 6 0 m h z 2 5 m a m a x . - 6 0 m h z < 8 5 m h z 3 5 m a m a x . - 8 5 m h z 1 3 3 m h z 4 m a m a x . - 1 2 5 k h z < 4 0 m h z 1 0 m a m a x . - 4 0 m h z < 5 0 m h z 2 0 m a m a x . - 5 0 m h z < 8 5 m h z 2 5 m a m a x . - 8 5 m h z 1 0 0 m h z s y m m e t r y ( 5 0 o f o u p u t w a v e f o r m o r 1 . 4 v d c f o r t t l ) 4 5 / 5 5 m a x . - 1 5 k h z < 1 5 m h z 4 0 / 6 0 m a x . - 1 5 8 5 m h z ( t i g h t e r s y m m e t r y a v a i l a b l e ) 4 5 / 5 5 m a x . - 1 5 k h z < 1 5 m h z 4 0 / 6 0 m a x . - 1 5 1 5 0 m h z ( t i g h t e r s y m m e t r y a v a i l a b l e ) 4 5 / 5 5 m a x . - 1 2 5 k h z < 1 5 m h z 4 0 / 6 0 m a x . - 1 5 1 3 3 m h z ( t i g h t e r s y m m e t r y a v a i l a b l e ) 4 5 / 5 5 m a x . - 1 2 5 k h z < 1 5 m h z 4 0 / 6 0 m a x . - 1 5 1 0 0 m h z ( t i g h t e r s y m m e t r y a v a i l a b l e ) r i s e a n d f a l l t i m e s ( w i t h t y p i c a l l o a d ) 6 n s m a x . - f o < 3 0 m h z 3 n s m a x . - f o 3 0 - 8 5 m h z ( b e t w e e n 1 0 t o 9 0 ) 7 n s m a x . - f o < 3 0 m h z 3 n s m a x . - f o 3 0 - 8 5 m h z ( b e t w e e n 1 0 t o 9 0 ) 5 n s m a x . - f o < 3 0 m h z 3 n s m a x . - f o 3 0 - 8 5 m h z ( b e t w e e n 0 . 8 v t o 2 . 0 v ) 6 n s m a x . - 1 5 k h z < 4 0 m h z 3 n s m a x . - 4 0 1 5 0 m h z ( b e t w e e n 1 0 t o 9 0 ) 5 n s m a x . - 1 2 5 k h z < 4 0 m h z 3 n s m a x . - 4 0 1 3 3 m h z ( b e t w e e n 1 0 t o 9 0 ) 5 n s m a x . - 1 2 5 k h z < 4 0 m h z 3 n s m a x . - 4 0 1 0 0 m h z ( b e t w e e n 1 0 t o 9 0 ) o u t p u t l o a d 1 5 p f / / 1 0 k o h m s 5 0 p f m a x . o r 1 0 t t l f o r ( f o < 6 0 m h z ) 3 0 p f m a x . o r 6 t t l f o r ( f o 6 0 m h z ) 1 5 p f / / 1 0 k o h m s ( 2 l s t t l ) 1 0 t t l ( f o < 6 0 m h z ) 6 t t l ( f o 6 0 m h z ) 1 5 p f / / 1 0 k o h m s ( 3 0 p f m a x . f o r f 5 0 m h z ) 1 5 p f / / 1 0 k o h m s s t a r t - u p t i m e ( t s t u p ) 5 m s m a x . o u t p u t v o l t a g e ( v o h / v o l ) 0 . 9 x v d d m i n . ; 0 . 1 x v d d m a x . 2 . 4 v m i n . ; 0 . 4 v m a x . 0 . 9 x v d d m i n . ; 0 . 1 x v d d m a x . o u t p u t c u r r e n t ( i o h / i o l ) 2 4 m a m a x . 8 m a m a x . - 1 . 6 m a / t t l + 4 0 a / t t l 4 m a m a x . e n a b l e / d i s a b l e t r i s t a t e f u n c t i o n p i n 1 v i h 2 . 2 v o s c i l l a t i o n ; v i l 0 . 8 v h i g h i m p e d a n c e v i h 0 . 7 x v d d o s c i l l a t i o n ; v i l 0 . 3 x v d d h i g h i m p e d a n c e j i t t e r r m s 1 ( a t 2 5 c ) 8 p s t y p . - < 4 0 m h z 5 p s t y p . - 4 0 m h z 1 5 p s t y p . - < 4 0 m h z 8 p s t y p . - 4 0 m h z a g i n g ( a t 7 0 c ) 5 p p m m a x . f i r s t y e a r / 2 p p m m a x . p e r y e a r t h e r e a f t e r ( * ) f r e q u e n c y a s l o w a s 1 k h z w i t h o u t t r i s t a t e f u n c t i o n a v a i l a b l e . c o n t a c t q - t e c h f o r d e t a i l s .
3 3 q - t e c h c o r p o r a t i o n - 1 0 1 5 0 w . j e f f e r s o n b o u l e v a r d , c u l v e r c i t y 9 0 2 3 2 - t e l : 3 1 0 - 8 3 6 - 7 9 0 0 - f a x : 3 1 0 - 8 3 6 - 2 1 5 7 - w w w . q - t e c h . c o m q - t e c h c o r p o r a t i o n qt 7 8 s e r i e s h i g h - r e l i a b i l i t y m i n i a t u r e c l o c k o s c i l l a t o r s 1 . 8 t o 5 . 0 v d c - 1 5 k h z t o 1 5 0 m h z q t 7 8 ( r e v i s i o n b , j a n u a r y 2 0 0 8 ) ( e c o 9 2 1 7 ) p a c k a g i n g o p t i o n s o t h e r o p t i o n s a v a i l a b l e f o r a n a d d i t i o n a l c h a r g e o r d e r i n g i n f o r m a t i o n f r e q u e n c y s t a b i l i t y v s . t e m p e r a t u r e c o d e s m a y n o t b e a v a i l a b l e i n a l l f r e q u e n c i e s . f o r n o n - s t a n d a r d r e q u i r e m e n t s , c o n t a c t q - t e c h c o r p o r a t i o n a t s a l e s @ q - t e c h . c o m s p e c i f i c a t i o n s s u b j e c t t o c h a n g e w i t h o u t p r i o r n o t i c e . s t a n d a r d p a c k a g i n g i n a n t i - s t a t i c p l a s t i c t u b e ( 6 0 p c s / t u b e ) t a p e a n d r e e l ( 8 0 0 p c s / r e e l ) i s a v a i l a b l e f o r a n a d d i t i o n a l c h a r g e . s o l d e r d i p s n / p b 6 0 / 4 0 p . i . n . d . t e s t a c = a c m o s h c = h c m o s t = t t l q t 7 8 x x d x x m 8 5 . 0 0 0 m h z o u t p u t f r e q u e n c y s c r e e n e d t o m i l - p r f - 5 5 3 1 0 , l e v e l b ( l e f t b l a n k i f n o s c r e e n i n g ) 1 = 1 0 0 p p m a t 0 c t o + 7 0 c 4 = 5 0 p p m a t 0 c t o + 7 0 c 5 = 2 5 p p m a t - 2 0 c t o + 7 0 c 6 = 5 0 p p m a t - 5 5 c t o + 1 0 5 c 9 = 5 0 p p m a t - 5 5 c t o + 1 2 5 c 1 0 = 1 0 0 p p m a t - 5 5 c t o + 1 2 5 c 1 1 = 5 0 p p m a t - 4 0 c t o + 8 5 c 1 2 = 1 0 0 p p m a t - 4 0 c t o + 8 5 c 1 4 = 2 0 p p m a t - 2 0 c t o + 7 0 c 1 5 = 2 5 p p m a t - 4 0 c t o + 8 5 c t r i s t a t e o p t i o n d ( l e f t b l a n k i f n o t r i s t a t e ) 5 . 0 v d c q t 7 8 l d x x m 1 5 0 . 0 0 0 m h z o u t p u t f r e q u e n c y s c r e e n e d t o m i l - p r f - 5 5 3 1 0 , l e v e l b ( l e f t b l a n k i f n o s c r e e n i n g ) 1 = 1 0 0 p p m a t 0 c t o + 7 0 c 4 = 5 0 p p m a t 0 c t o + 7 0 c 5 = 2 5 p p m a t - 2 0 c t o + 7 0 c 6 = 5 0 p p m a t - 5 5 c t o + 1 0 5 c 9 = 5 0 p p m a t - 5 5 c t o + 1 2 5 c 1 0 = 1 0 0 p p m a t - 5 5 c t o + 1 2 5 c 1 1 = 5 0 p p m a t - 4 0 c t o + 8 5 c 1 2 = 1 0 0 p p m a t - 4 0 c t o + 8 5 c 1 4 = 2 0 p p m a t - 2 0 c t o + 7 0 c 1 5 = 2 5 p p m a t - 4 0 c t o + 8 5 c t r i s t a t e o p t i o n d ( l e f t b l a n k i f n o t r i s t a t e ) 3 . 3 v d c q t 7 8 n d x x m 1 3 3 . 0 0 0 m h z o u t p u t f r e q u e n c y s c r e e n e d t o m i l - p r f - 5 5 3 1 0 , l e v e l b ( l e f t b l a n k i f n o s c r e e n i n g ) 1 = 1 0 0 p p m a t 0 c t o + 7 0 c 4 = 5 0 p p m a t 0 c t o + 7 0 c 5 = 2 5 p p m a t - 2 0 c t o + 7 0 c 6 = 5 0 p p m a t - 5 5 c t o + 1 0 5 c 9 = 5 0 p p m a t - 5 5 c t o + 1 2 5 c 1 0 = 1 0 0 p p m a t - 5 5 c t o + 1 2 5 c 1 1 = 5 0 p p m a t - 4 0 c t o + 8 5 c 1 2 = 1 0 0 p p m a t - 4 0 c t o + 8 5 c 1 4 = 2 0 p p m a t - 2 0 c t o + 7 0 c 1 5 = 2 5 p p m a t - 4 0 c t o + 8 5 c t r i s t a t e o p t i o n d ( l e f t b l a n k i f n o t r i s t a t e ) 2 . 5 v d c q t 7 8 r d x x m 1 0 0 . 0 0 0 m h z o u t p u t f r e q u e n c y s c r e e n e d t o m i l - p r f - 5 5 3 1 0 , l e v e l b ( l e f t b l a n k i f n o s c r e e n i n g ) 1 = 1 0 0 p p m a t 0 c t o + 7 0 c 4 = 5 0 p p m a t 0 c t o + 7 0 c 5 = 2 5 p p m a t - 2 0 c t o + 7 0 c 6 = 5 0 p p m a t - 5 5 c t o + 1 0 5 c 9 = 5 0 p p m a t - 5 5 c t o + 1 2 5 c 1 0 = 1 0 0 p p m a t - 5 5 c t o + 1 2 5 c 1 1 = 5 0 p p m a t - 4 0 c t o + 8 5 c 1 2 = 1 0 0 p p m a t - 4 0 c t o + 8 5 c 1 4 = 2 0 p p m a t - 2 0 c t o + 7 0 c 1 5 = 2 5 p p m a t - 4 0 c t o + 8 5 c t r i s t a t e o p t i o n d ( l e f t b l a n k i f n o t r i s t a t e ) 1 . 8 v d c
4 4 q - t e c h c o r p o r a t i o n - 1 0 1 5 0 w . j e f f e r s o n b o u l e v a r d , c u l v e r c i t y 9 0 2 3 2 - t e l : 3 1 0 - 8 3 6 - 7 9 0 0 - f a x : 3 1 0 - 8 3 6 - 2 1 5 7 - w w w . q - t e c h . c o m q - t e c h c o r p o r a t i o n qt 7 8 s e r i e s h i g h - r e l i a b i l i t y m i n i a t u r e c l o c k o s c i l l a t o r s 1 . 8 t o 5 . 0 v d c - 1 5 k h z t o 1 5 0 m h z q t 7 8 ( r e v i s i o n b , j a n u a r y 2 0 0 8 ) ( e c o 9 2 1 7 ) r e f l o w p r o f i l e e m b o s s e d t a p e a n d r e e l i n f o r m a t i o n f o r q t 7 8 e n v i r o n m e n t a l s p e c i f i c a t i o n s t h e f i v e t r a n s i t i o n p e r i o d s f o r t h e t y p i c a l r e f l o w p r o c e s s a r e : p r e h e a t f l u x a c t i v a t i o n t h e r m a l e q u a l i z a t i o n r e f l o w c o o l d o w n 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 6 0 1 8 0 2 0 0 2 2 0 2 4 0 2 6 0 2 8 0 3 0 0 3 2 0 3 4 0 3 6 0 3 8 0 4 0 0 4 2 0 t i m e ( s ) 2 5 5 0 7 5 1 0 0 1 2 5 1 5 0 1 7 5 2 0 0 2 2 5 2 5 0 t e m p ( * c ) 0 6 0 s m i n . 1 2 0 s m a x . 6 0 s m i n . 1 2 0 s m a x . 2 2 5 o m i n . 2 4 0 o m a x . 6 0 s m i n . 1 5 0 s m a x . 2 4 0 o r a m p d o w n ( 6 o c / s m a x ) r a m p u p ( 3 o c / s m a x ) t y p i c a l r e f l o w p r o f i l e f o r s n - p b a s s e m b l y d i m e n s i o n s a r e i n m m . t a p e i s c o m p l i a n t t o e i a - 4 8 1 - a . r e e l s i z e v s . q u a n t i t y : feed i ng (pu l l) dir ecti on ? 13.00.5 2.5 4 .800.1 5o max ? 1 .5 2 . 0 1.750.1 0.3.005 ? 1 .5 2 .00.1 5 . 5 0 . 1 10.0 10.1 4.00.1 ? 1 7 8 1 o r ? 3 3 0 1 26 2 4 . 0 0 . 3 1 60.1 1 4 . 5 3 0 . 1 120o r e e l s i z e ( d i a m e t e r i n m m ) q t y p e r r e e l ( p c s ) 1 7 8 2 5 0 3 3 0 1 0 0 0 q - t e c h s t a n d a r d s c r e e n i n g / q c i ( m i l - p r f 5 5 3 1 0 ) i s a v a i l a b l e f o r a l l o f o u r q t 7 8 p r o d u c t s . q - t e c h c a n a l s o c u s t o m i z e s c r e e n i n g a n d t e s t p r o c e d u r e s t o m e e t y o u r s p e c i f i c r e q u i r e m e n t s . t h e q t 7 8 p r o d u c t i s d e s i g n e d a n d p r o c e s s e d t o e x c e e d t h e f o l l o w i n g t e s t c o n d i t i o n s : e n v i r o n m e n t a l t e s t t e s t c o n d i t i o n s t e m p e r a t u r e c y c l i n g m i l - s t d - 8 8 3 , m e t h o d 1 0 1 0 , c o n d . b . c o n s t a n t a c c e l e r a t i o n m i l - s t d - 8 8 3 , m e t h o d 2 0 0 1 , c o n d . a , y 1 . s e a l f i n e l e a k m i l - s t d - 8 8 3 , m e t h o d 1 0 1 4 , c o n d . a . b u r n - i n 1 6 0 h o u r s , 1 2 5 c w i t h l o a d . a g i n g 3 0 d a y s , 7 0 c , 1 . 5 p p m m a x . v i b r a t i o n s i n u s o i d a l m i l - s t d - 2 0 2 , m e t h o d 2 0 4 , c o n d . d . s h o c k , n o n o p e r a t i n g m i l - s t d - 2 0 2 , m e t h o d 2 1 3 , c o n d . i . ( s e e n o t e 1 ) t h e r m a l s h o c k , n o n o p e r a t i n g m i l - s t d - 2 0 2 , m e t h o d 1 0 7 , c o n d . b . a m b i e n t p r e s s u r e , n o n o p e r a t i n g m i l - s t d - 2 0 2 , 1 0 5 , c o n d . c , 5 m i n u t e s d w e l l t i m e m i n i m u m . r e s i s t a n c e t o s o l d e r h e a t m i l - s t d - 2 0 2 , m e t h o d 2 1 0 , c o n d . e . m o i s t u r e r e s i s t a n c e m i l - s t d - 2 0 2 , m e t h o d 1 0 6 . t e r m i n a l s t r e n g t h m i l - s t d - 2 0 2 , m e t h o d 2 1 1 , c o n d . c . r e s i s t a n c e t o s o l v e n t s m i l - s t d - 2 0 2 , m e t h o d 2 1 5 . s o l d e r a b i l i t y m i l - s t d - 2 0 2 , m e t h o d 2 0 8 . n o t e 1 : a d d i t i o n a l s h o c k r e s u l t s s u c c e s s f u l l y p a s s e d o n 1 6 m h z , 4 0 m h z , a n d 8 0 m h z s h o c k 8 5 0 g p e a k , h a l f - s i n e , 1 m s d u r a t i o n ( m i l - s t d - 2 0 2 , m e t h o d 2 1 3 , c o n d . d m o d i f i e d ) s h o c k 1 , 5 0 0 g p e a k , h a l f - s i n e , 0 . 5 m s d u r a t i o n ( m i l - s t d - 8 8 3 , m e t h o d 2 0 0 2 , c o n d . b ) p l e a s e c o n t a c t q - t e c h f o r h i g h e r s h o c k r e q u i r e m e n t s
5 5 q - t e c h c o r p o r a t i o n - 1 0 1 5 0 w . j e f f e r s o n b o u l e v a r d , c u l v e r c i t y 9 0 2 3 2 - t e l : 3 1 0 - 8 3 6 - 7 9 0 0 - f a x : 3 1 0 - 8 3 6 - 2 1 5 7 - w w w . q - t e c h . c o m q - t e c h c o r p o r a t i o n qt 7 8 s e r i e s h i g h - r e l i a b i l i t y m i n i a t u r e c l o c k o s c i l l a t o r s 1 . 8 t o 5 . 0 v d c - 1 5 k h z t o 1 5 0 m h z q t 7 8 ( r e v i s i o n b , j a n u a r y 2 0 0 8 ) ( e c o 9 2 1 7 ) v dd g n d 0.1xvdd 0 .9xvdd voh vol tr tf t h t 0 .5xvdd symmet ry = x 100% t h t o u t p u t w a v e f o r m ( t y p i c a l ) f r e q u e n c y v s . t e m p e r a t u r e c u r v e t e s t c i r c u i t - - o u t p u t g r o u n d 4 3 2 0 . 1 f 1 5 p f 1 t r i s t a t e f u n c t i o n p o w e r s u p p l y 1 0 k m a v d c + + + ( * ) o r 0 . 0 1 f q t 7 8 ( * ) c l i n c l u d e s p r o b e a n d j i g c a p a c i t a n c e t y p i c a l t e s t c i r c u i t f o r c m o s l o g i c f r e q u e n c y - t e m p e r a t u r e c u r v e s q t 7 8 r d - 7 0 m h z 1 . 8 v d c - 4 0 - 3 0 - 2 0 - 1 0 1 0 2 0 3 0 4 0 - 5 5 - 5 0 - 4 5 - 4 0 - 3 5 - 3 0 - 2 5 - 2 0 - 1 5 - 1 0 - 5 05 1 0 1 5 2 0 2 5 3 0 3 5 t e m p ( o c ) p p m 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 1 0 0 1 0 5 1 1 0 1 1 5 1 2 0 1 2 5 0 4 5o 45o hybri d c ase su bst rate die d/a epoxy d/a epoxy heat die r1 d/a epoxy subst rate d / a epoxy hybrid case r2 r3 r4 r5 t h e r m a l c h a r a c t e r i s t i c s ja jc ca die t t t c a j ca jc ( f i g u r e 1 ) ( f i g u r e 2 ) t h e t r i s t a t e f u n c t i o n o n p i n 1 h a s a b u i l t - i n p u l l - u p r e s i s t o r t y p i c a l 5 0 k , s o i t c a n b e l e f t f l o a t i n g o r t i e d t o v d d w i t h o u t d e t e r i o r a t i n g t h e e l e c t r i c a l p e r f o r m a n c e . t h e h e a t t r a n s f e r m o d e l i n a h y b r i d p a c k a g e i s d e s c r i b e d i n f i g u r e 1 . h e a t s p r e a d i n g o c c u r s w h e n h e a t f l o w s i n t o a m a t e r i a l l a y e r o f i n c r e a s e d c r o s s - s e c t i o n a l a r e a . i t i s a d e q u a t e t o a s s u m e t h a t s p r e a d i n g o c c u r s a t a 4 5 a n g l e . t h e t o t a l t h e r m a l r e s i s t a n c e i s c a l c u l a t e d b y s u m m i n g t h e t h e r m a l r e s i s t a n c e s o f e a c h m a t e r i a l i n t h e t h e r m a l p a t h b e t w e e n t h e d e v i c e a n d h y b r i d c a s e . r t = r 1 + r 2 + r 3 + r 4 + r 5 t h e t o t a l t h e r m a l r e s i s t a n c e r t ( s e e f i g u r e 2 ) b e t w e e n t h e h e a t s o u r c e ( d i e ) t o t h e h y b r i d c a s e i s t h e t h e t a j u n c t i o n t o c a s e ( t h e t a j c ) i n c / w . t h e t a j u n c t i o n t o c a s e ( t h e t a j c ) f o r t h i s p r o d u c t i s 3 0 c / w . t h e t a c a s e t o a m b i e n t ( t h e t a c a ) f o r t h i s p a r t i s 1 0 0 c / w . t h e t a j u n c t i o n t o a m b i e n t ( t h e t a j a ) i s 1 3 0 c / w . m a x i m u m p o w e r d i s s i p a t i o n p d f o r t h i s p a c k a g e a t 2 5 c i s : p d ( m a x ) = ( t j ( m a x ) t a ) / t h e t a j a w i t h t j = 1 7 5 c ( m a x i m u m j u n c t i o n t e m p e r a t u r e o f d i e ) p d ( m a x ) = ( 1 7 5 2 5 ) / 1 3 0 = 1 . 1 5 w
6 6 q - t e c h c o r p o r a t i o n - 1 0 1 5 0 w . j e f f e r s o n b o u l e v a r d , c u l v e r c i t y 9 0 2 3 2 - t e l : 3 1 0 - 8 3 6 - 7 9 0 0 - f a x : 3 1 0 - 8 3 6 - 2 1 5 7 - w w w . q - t e c h . c o m q - t e c h c o r p o r a t i o n qt 7 8 s e r i e s h i g h - r e l i a b i l i t y m i n i a t u r e c l o c k o s c i l l a t o r s 1 . 8 t o 5 . 0 v d c - 1 5 k h z t o 1 5 0 m h z q t 7 8 ( r e v i s i o n b , j a n u a r y 2 0 0 8 ) ( e c o 9 2 1 7 ) p h a s e n o i s e i s m e a s u r e d i n t h e f r e q u e n c y d o m a i n , a n d i s e x p r e s s e d a s a r a t i o o f s i g n a l p o w e r t o n o i s e p o w e r m e a s u r e d i n a 1 h z b a n d w i d t h a t a n o f f s e t f r e q u e n c y f r o m t h e c a r r i e r , e . g . 1 0 h z , 1 0 0 h z , 1 k h z , 1 0 k h z , 1 0 0 k h z , e t c . p h a s e n o i s e m e a s u r e m e n t i s m a d e w i t h a n a g i l e n t e 5 0 5 2 a s i g n a l s o u r c e a n a l y z e r ( s s a ) w i t h b u i l t - i n o u t s t a n d i n g l o w - n o i s e d c p o w e r s u p p l y s o u r c e . t h e d c s o u r c e i s f l o a t e d f r o m t h e g r o u n d a n d i s o l a t e d f r o m e x t e r n a l n o i s e t o e n s u r e a c c u r a c y a n d r e p e a t a b i l i t y . i n o r d e r t o d e t e r m i n e t h e t o t a l n o i s e p o w e r o v e r a c e r t a i n f r e q u e n c y r a n g e ( b a n d w i d t h ) , t h e t i m e d o m a i n m u s t b e a n a l y z e d i n t h e f r e q u e n c y d o m a i n , a n d t h e n r e c o n s t r u c t e d i n t h e t i m e d o m a i n i n t o a n r m s v a l u e w i t h t h e u n w a n t e d f r e q u e n c i e s e x c l u d e d . t h i s m a y b e d o n e b y c o n v e r t i n g l ( f ) b a c k t o s ( f ) o v e r t h e b a n d w i d t h o f i n t e r e s t , i n t e g r a t i n g a n d p e r f o r m i n g s o m e c a l c u l a t i o n s . t h e v a l u e o f r m s j i t t e r o v e r t h e b a n d w i d t h o f i n t e r e s t , e . g . 1 0 k h z t o 2 0 m h z , 1 0 h z t o 2 0 m h z , r e p r e s e n t s 1 s t a n d a r d d e v i a t i o n o f p h a s e j i t t e r c o n t r i b u t e d b y t h e n o i s e i n t h a t d e f i n e d b a n d w i d t h . f i g u r e b e l o w s h o w s a t y p i c a l p h a s e n o i s e / p h a s e j i t t e r o f a q t 7 8 a c 6 , 5 . 0 v d c , 8 0 m h z c l o c k a t o f f s e t f r e q u e n c i e s 1 0 h z t o 5 m h z , a n d p h a s e j i t t e r i n t e g r a t e d o v e r t h e b a n d w i d t h o f 1 2 k h z t o 1 m h z . p h a s e n o i s e a n d p h a s e j i t t e r i n t e g r a t i o n p e r i o d j i t t e r a s d a t a r a t e s i n c r e a s e , e f f e c t s o f j i t t e r b e c o m e c r i t i c a l w i t h i t s b u d g e t s t i g h t e r . j i t t e r i s t h e d e v i a t i o n o f a t i m i n g e v e n t o f a s i g n a l f r o m i t s i d e a l p o s i t i o n . j i t t e r i s c o m p l e x a n d i s c o m p o s e d o f b o t h r a n d o m a n d d e t e r m i n i s t i c j i t t e r c o m p o n e n t s . r a n d o m j i t t e r ( r j ) i s t h e o r e t i c a l l y u n b o u n d e d a n d g a u s s i a n i n d i s t r i b u t i o n . d e t e r m i n i s t i c j i t t e r ( d j ) i s b o u n d e d a n d d o e s n o t f o l l o w a n y p r e d i c t a b l e d i s t r i b u t i o n . d j i s a l s o r e f e r r e d t o a s s y s t e m a t i c j i t t e r . a t e c h n i q u e t o m e a s u r e p e r i o d j i t t e r ( r m s ) o n e s t a n d a r d d e v i a t i o n ( 1 ) a n d p e a k - t o - p e a k j i t t e r i n t i m e d o m a i n i s t o u s e a h i g h s a m p l i n g r a t e ( > 8 g s a m p l e s / s ) d i g i t i z i n g o s c i l l o s c o p e . f i g u r e s h o w s a n e x a m p l e o f p e a k - t o - p e a k j i t t e r a n d r m s j i t t e r ( 1 ) o f a q t 7 8 a c - 2 4 m h z , a t 5 . 0 v d c . r m s j i t t e r ( 1 ) : 5 . 3 7 p s p e a k - t o - p e a k j i t t e r : 4 3 p s s y m b o l d e f i n i t i o n l ( f ) i n t e g r a t e d s i n g l e s i d e b a n d p h a s e n o i s e ( d b c ) s ( f ) = ( 1 8 0 / ) x 2 l ( f ) d f s p e c t r a l d e n s i t y o f p h a s e m o d u l a t i o n , a l s o k n o w n a s r m s p h a s e e r r o r ( i n d e g r e e s r m s j i t t e r = s ( f ) / ( f o s c . 3 6 0 ) j i t t e r ( i n s e c o n d s ) d u e t o p h a s e n o i s e . n o t e s ( f ) i n d e g r e e s .
|
