Kenwood CS-1720 Instruction Manual
SPECIFICATIONSC S - 1 7 2 0 PROGRAMMABLE OSCILLOSCOPECATHODE RAY TUBE (CRT)M o d e l 1 4 0 C G B 3 1T y p e R e c t a n g u l a r w i t h i n t e r n a lg r a t i c u l e .A c c e l e r a t i o n v o l t a g e 6 k VD i s p l a y a r e a 8 x 1 0 d i v i s i o n s( 1 d i v = 9 . 5 m m )VERTICAL AXIS (CHI, CH2,)S e n s i t i v i t y 2 m V / d i v - 5 V / d i vA c c u r a c y ± 5 %A t t e n u a t o r 2 m V / d i v - 5 V / d i v 1 - 2 - 5s e q u e n c e .F i n e a d j u s t m e n t p o s s i b l e b e t -w e e n all r a n g e s ; r e m o t e c o n -troller ( R T - 1 7 2 1 ) , C A L a n d 4r a n g e p r e s e t s w i t h v e r n i e ra d j u s t m e n t a r e p o s s i b l e .I n p u t r e s i s t a n c e 1 M f i ± 5 %I n p u t c a p a c i t y 3 7 p F ± 3 p FI n p u t c o u p l i n g A C - G N D - D CF r e q u e n c y r e s p o n s eD C D C - 2 0 M H z ( - 3 d B )D C - 3 0 M H z ( - 6 d B )A C 5 H z - 2 0 M H z ( - 3 d B )5 H z - 3 0 M H z ( - 6 d B )R i s e t i m e B e t t e r t h a n 1 7 . 5 n sS i g n a l d e l a y t i m e M o r e t h a n 1 0 n s o n t h es c r e e n .C r o s s t a l k - 4 0 d B or b e t t e r , a t 1 k H zO p e r a t i n g m o d e sC H 1 C H 1 o n l y , s i n g l e t r a c eC H 2 C H 2 o n l y , s i n g l e t r a c eA L T C H 1 , C H 2 d u a l t r a c e , a l t e r -n a t e m o d eC H O P C H 1 , C H 2 d u a l t r a c e , c h o pm o d eA D D S i n g l e t r a c e a l g e b r a i c s u m ofC H 1 a n d C H 2C H 2 I N V C H 2 i n v e r t e d p o l a r i t y , C H 1m i n u s C H 2 , s i n g l e t r a c eS E P C H 1 or C H 2 , o n e input s i g n a l ,d u a l t r a c e , a l t e r n a t eC h o p f r e q u e n c y A p p r o x 2 0 0 k H zM a x i m u m i n p u t v o l t a g e s 2 0 0 V p-p or 1 0 0 V ( D C + A Cp e a k )M a x i m u m u n d i s t o r t e d 8 d i v . m i n i m u m f r o m D C —a m p l i t u d e 2 0 M H zHORIZONTAL AXIS (CH2 INPUT)O p e r a t i n g m o d e s S W E E P T I M E / D I V r a n g e c a nb e s e l e c t e d t o X — Y m o d e .C H 1 - Y a x i s : C H 2 - X a x i sS e n s i t i v i t y S a m e a s C H 2 v e r t i c a l a x i sA c c u r a c y S a m e a s C H 2 v e r t i c a l a x i sA t t e n u a t i o n S a m e a s C H 2 v e r t i c a l a x i sI n p u t r e s i s t a n c e S a m e a s C H 2 v e r t i c a l a x i sI n p u t c a p a c i t y S a m e a s C H 2 v e r t i c a l a x i sI n p u t c o u p l i n g S a m e a s C H 2 v e r t i c a l a x i sF r e q u e n c y r e s p o n s eD C : D C - 2 M H z ( - 3 d B )A C : 5 H z - 2 M H z ( - 3 d B )X - Y p h a s e d i f f e r e n c e W i t h i n 3 ° a t 1 0 0 k H zSWEEP CIRCUITSS w e e p s y s t e mN O R M T r i g g e r i n g s w e e p ( r e m o t ec o n t r o l l e r R T - 1 7 2 1 )A U T O T r i g g e r i n g s w e e p a n d a u t of r e e r u n s w e e p in a b s e n c e o ft r i g g e r s i g n a l ( w i t h R T - 1 7 2 1 )S w e e p t i m e 0 . 2 / ^ s / d i v - 0 . 5 s / d i v 1 - 2 - 5s e q u e n c e , w i t h v e r n i e r c o n -trol f i n e a d j u s t m e n t b e t w e e nall 2 0 r a n g e s ( w i t h r e m o t ec o n t r o l l e r R T - 1 7 2 1 ) ; C A La n d 3 r a n g e p r e s e t s w i t h v e r -nier a d j u s t m e n t a r e p o s s i b l e .A c c u r a c y ± 5 %S w e e p m a g n i f i c a t i o n X 5 ( f i v e t i m e s ) ± 5 %L i n e a r i t y 3 % or b e t t e r a t n o r m a l , 5 %or b e t t e r a t X 5 m a g n i f i c a t i o nTRIGGERINGS o u r c e V E R T M O D E , C H 1 , C H 2 ,L I N E , E X T .C o u p l i n g m o d e A C , L F R E J , H F R E J , D C , V I D E O .V i d e o p o l a r i t y V I D E O ( + / - ) ; F R A M E( + / - )T r i g g e r i n g m o d e M A N U A L , F I X ( a u t o m a t i c a l l yf i x e s l e v e l a t c e n t e r of t r i g g e rs o u r c e ) .S y n c p o l a r i t y C H 1 / C H 2( + / + , + / - , - / + , - / - )E x t e r n a l s y n c E X TInput r e s i s t a n c e 1 Mfidb 5 %Input c a p a c i t y 4 0 p F ± 5 p FM a x i m u m input v o l t a g e 1 0 0 V p - p , or 5 0 V ( D C + A Cp e a k )4 |
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