SL490B ETC-unknow, SL490B Datasheet
SL490B
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SL490B Summary of contents
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THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS ...
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... TV remote control in mind, the device is also suitable for use in radios, tuners, tape and record decks, lamps and lighting, toys and models, industrial control and monitoring. The SL490B is an easily extendable, 32-command PPM transmitter drawing negligible standby current. FEATURES Ultrasonic or Infra-Red Transmission ...
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... Fig. 3 PPM word notation and timing definitions SL490B 0· 680p 40k 100k 1 Fig. 4 Test circuit Units Conditions V = 9· Unloaded V I ...
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... OPERATING NOTES Fig. 5 shows the circuit for a simple infra-red transmitter where the PPM output pulses from pin 2 of the SL490B are differentated by C3 and R3 and amplified by TR1 to produce current pulses about 15 s wide.These pulses are further amplified by TR2 and applied to the infra-red diodes D1 and D2. ...
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... SL490B PACKAGE DETAILS Dimensions are shown thus: mm (in) 7·11 (0·28) MAX 5·08/(0·20) MAX SEATING PLANE 0·38/0·61 (0·015/0·24) HEADQUARTERS OPERATIONS GEC PLESSEY SEMICONDUCTORS Cheney Manor, Swindon, Wiltshire SN2 2QW, United Kingdom. Tel: (0793) 518000 Fax: (0793) 518411 GEC PLESSEY SEMICONDUCTORS P ...