SL490B - REMOTE CONTROL TRANSMITTER
APRIL 1995 SL490B 3056-1.3 REMOTE CONTROL TRANSMITTER (Supersedes version in April 1994 Consumer IC Handbook, HB3120 - 2.0) GPS has developed and produced a range of monolithic integrated circuits which give a wide variety of remote control facilities.
As well as ultrasonic or infra-red transmission, cable, radio or telephone links may also be used.
Pulse Position Modulation (PPM) is used with or without carrier and automatic error detection is incorporated.
Initially
SL490B Features
* s Ultrasonic or Infra-Red Transmission s Direct Drive or Ultrasonic Transducer s Direct Drive of Visible LED when using Infra-Red s Very Low Power Requirements s Pulse Position Modulation gives Excellent Immunity from Noise and Multipath Reflections s Single Pole Key Matrix s Switch Resistance up to
