Sunday, October 3, 2010

WEEK 7 (30 August - 3 Sept 2010)


Find the Circuit





Circuit Sensor
This circuit use NE555 timer.
  • LOW TURN OFF TIME
  • MAXIMUM OPERATING FREQUENCY GREATER THAN 500kHz
  • TIMING FROMMICROSECONDS TO HOURS
  • OPERATES IN BOTH AS TABLE AND MONO STABLE  MODES
  • HIGH OUTPUT CURRENT CAN SOURCE OR SINK 200mA
  • ADJUSTABLE DUTY CYCLE
  • TTL COMPATIBLE
  • TEMPERATURE STABILITY OF 0.005% PER  oC

DESCRIPTION

TheNE555 monolithic timing circuit is a highly stable controller capable of producing accurate time delays or oscillation. In the time delay mode of operation, the time is precisely controlled by one external reistor and capacitor.For as table operation as an osillator, the free running frequency and the duty cycle are both accurately controlled with two external resistors and one capacitor.The circuit may be triggered and reset on falling waveforms, and the output structure can source or sink up to 200mA. The NE555 is available in plastic and ceramic minidip package and in a 8-lead micro package and in metal can package version.



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