It seems that they just has a difference on the magnitude.
P.S. It is a OOK signal on receiver.
The wave on oscillograph can be found on the following link:
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Thanks in advance!
How to filter noise when it has the same frequency as the signal
Sep 04, 2008
1 Replies
Well, I'm lurking while people are helpful with my UL testing post, but I just know I'm going to regret helping with this.
I assume that OOK is on-off keying or somesuch.
I would venture that whatever is producing the signal is being slightly overdriven, given the possible clipping on the negative peaks.
Rectifier, preferably full wave Smoothing/lowpass filter Schmitt trigger/threshold detector
Homework?
Richard Richard D.
Spamtrapped at ngsATradixDASHdesignDOTcoDOTuk
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