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294: Oscilloscope trace view: IR Beacon Vs Receiver Out

Dale(294engr]

By: Dale(294engr]
New: 11-02-2004 04:11
Updated: 11-02-2004 04:11
Views: 583 times


294: Oscilloscope trace view: IR Beacon Vs Receiver Out

Bottom Trace: 40kHz IR Beacon Emitter 0
1mS ON then 9mS OFF, repeating @100Hz

Top Trace: 1V/div, Vishay 34840 Receiver Output.
High level = 5v = no IR detected
Low level = 0V = 40kHz IR detected

Horizontal: 2ms/div (shows two 100Hz cycles, i.e. 200ms total)

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