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RS920 Dataheets PDF



Part Number RS920
Manufacturers RS Components
Logo RS Components
Description Remote control
Datasheet RS920 DatasheetRS920 Datasheet (PDF)

lssuedJuly 1985 3560 Remotecontroli.G.'s data A r a n g e o f r e m o t e c p n t r o l i . c . ' sc o n s i s t i n go f o n e t r a n s m i t t e r ( 3 0 8 - 0 7 3 ) ,a n i n f r a - r e d p r e - a m p l i f i e r (301-52)7and five receivers(, 303-826,308-089,309981, 309-997and 305-2481with individualcharac- t e r i s t i c st o s u i t m a n y c o n t r o lr e q u i r e m e n t s . T h e s y s t e mi s b a s e do n t h e t r a n s m i s s i o no f c o d e d P . P . M .( P u l s eP o s i t .

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lssuedJuly 1985 3560 Remotecontroli.G.'s data A r a n g e o f r e m o t e c p n t r o l i . c . ' sc o n s i s t i n go f o n e t r a n s m i t t e r ( 3 0 8 - 0 7 3 ) ,a n i n f r a - r e d p r e - a m p l i f i e r (301-52)7and five receivers(, 303-826,308-089,309981, 309-997and 305-2481with individualcharac- t e r i s t i c st o s u i t m a n y c o n t r o lr e q u i r e m e n t s . T h e s y s t e mi s b a s e do n t h e t r a n s m i s s i o no f c o d e d P . P . M .( P u l s eP o s i t i o nM o d u l a t i o n )s i g n a l so v e r a wide variety of transmissionmedia e.g. sound, u l t r a s o n i c si,n f r a - r e df,i b r e o p t i c s ,c a b l el i n k s .P r o vision is made for carrierfrequencygeneration where required to suit the medium employed. P r o c e s s i n go f t h e r e c e i v e dP . P . M .s i g n a l i s p e r - f o r m e db y a d i s c r e t ea m p l i f i e ro r f o r i n f r a - r e da n i . c . i s a v a i l a b l eT. h e r e s t o r e ds i g n a li s p a s s e dt o o n e ,o r a c o m b i n a t i o n ,o f t h e f i v e r e c e i v e ri . c . ' sw h e r e a n error checkingsystem inspectsthe P.P.M.data before activatingthe appropriateoutput. The outp u t f u n c t i o n sa v a i l a b l ei n c l u d ep a r a l l e4l - b i tb i n a r y , in either latchedor momentaryforms, analogue o u t p u tc o n t r o l sa n d d i s c r e t eo u t p u t s . T h e a b i l i t yo f o n e t r a n s m i t t e rt o c o n t r o la c o m b i n a tion of different receiversenablesthis system to satisfythe majority of remote control applications i n c l u d i n gs o u n d s y s t e m s ,l i g h t d i s p l a y s ,m a c h i n e c o n t r o l ,s e c u r i t yd e v i c e se t c . P r i n t e dc i r c u i t b o a r d st o s u i t a n i n f r a - r e dl i n k a r e avaiIable @34-807/ 813/ 835/891). Remotecontrol transmitter RS490(308-073) The RS490is a remotecontroltransmitteri.c.which p r o d u c e sa b i n a r yc o d e dp u l s ep o s i t i o nm o d u l a t e d ( P . P . M .w) a v e f o r m .T h e c o d e g e n e r a t e di s d e p e n d e n to n t h e o p e r a t i o no f a n y o n e s i n g l ep o l es w i t c h from a matrix of up to 32 switchesand the device w i l l p r o d u c ea c o r r e s p o n d i n gn u m b e r o f d i f f e r e n t P . P . Mc. o d e w o r d s . A f e a t u r e o f t h e i . c . i s i t s a b i l i t y t o g e n e r a t e ,i f r e q u i r e d ,a c a r r i e rf r e q u e n c yo v e r t h e r a n g e 0 t o 2 0 0 k H zw h i c h m a y b e s u b s e q u e n t l ym o d u l a t e db y t h e P . P . M .c o d e w o r d ,t h e r e b ye n a b l i n gm o d u l a t e d c a r r i e r st o b e d i r e c t l yp r o d u c e dT. h e P . P . Mr. a t ec a n a l s ob e a d j u s t e do v e r a w i d e r a n g et o s u i tt r a n s d u c e r r e s p o n s et i m e s . Absolutemaximum ratings M a x .s u p p l yv o l t a g e 9.5V O p e r a t i n gv o l t a g er a n g e ,V 6 6- 7 V M a x i m u mp o w e rd i s s i p a t i o n O p e r a t i n gt e m p e r a t u r er a n g e S t o r a g et e m p e r a t u r er a n g e - to 9.5V 600mW -10'Cto *65"C -55'Cto + 125'C Features O U l t r a s o n i co r i n f r a - r e dt r a n s m i s s i o n O D i r e c td r i v ef o r u l t r a s o n i ct r a n s d u c e r O D i r e c td r i v eo f v i s i b l eL E Dw h e n u s i n gi n fr a - r e d O Lowerpowerconsumption O P u l s ep o s i t i o nm o d u l a t i o ng i v e se x c e l l e n t i m m u n i t y f r o m n o i s ea n d m u l t i p a t hr e f l e c t i o n s O Switchresistanceup to 5kOtolerated Figure1 RS490Transmitterblockdiagram li ll :r( :CURRENI l ; isouRc€s lI r, r t :r r 3 J;


RS486 RS920 RS922


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