Cmos logic probe

Posted on Mar 27, 2013

The logic probe can indicate four input states, as follows: floating input—all LEDs off

Cmos logic probe
Click here to download the full size of the above Circuit.

logic 0 input—D2 switched on (D3 will briefly flash on); logic 1 input—Dl_ switched on; pulsing input—D3 switched on, or pulsing in the case of a low frequency input signal (one or both of the other indicators will switch on, showing if one input state predominates).

Leave Comment

characters left:

New Circuits



Popular Circuits

working with ic555
Build Your Own Gauss Meter
Door Bell Circuit Using BEL 188 PCB
Improving the MICOR Receiver for 435-450 MHz
Magnetic Apogee Detection Sensor
LC filter and LC type filter circuit