Mp pulse width control

Posted on Dec 8, 2012

Differential multiplexers are generally used in process control applications to eliminate errors due to common mode signals. In this circuit however, advantage is taken of the dual multiplexing capability of the switch. This is achieved by using the multiplexer to select pairs of RC networks to control the pulse width of the multivibrator.

Mp pulse width control
Click here to download the full size of the above Circuit.

This can be a particularly useful feature in process control applications where there is a requirement for a variable width sample "window" for different control signals.

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