How to Create Linear Rise and Fall Edges in a Circuit

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To create linear rise and fall edges in a circuit, the user seeks to modify a signal to achieve a more linear transition rather than an exponential one. Clarification is requested on whether "linear" refers to a gradual ramping between levels or sharper transitions. The user confirms that a ramp, as shown in Figure 2, is the desired outcome. The discussion focuses on finding solutions to achieve this specific waveform modification. Assistance is needed to implement the necessary circuit adjustments.
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I need help with a circuit. I need to run the signal in first image through a circuit that can clean up the exponential rise and fall edges and make it more linear. Can anyone help.

http://picasaweb.google.com/davidanthonypitts/SignalWaveforms?authkey=5iLxB--Xdqs#
 
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What do you mean by "linear"? That you want the signal to ramp between the levels or do you need the the transitions to be more "vertical"?
 
f95toli said:
What do you mean by "linear"? That you want the signal to ramp between the levels or do you need the the transitions to be more "vertical"?

Ramp. Figure 2 is exactly what i need. I believe that is a ramp, however slight it is.
 

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