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Discussion in ‘ The Projects Forum ‘ started by techadiyaJan 11, Jan datasbeet, 1. Jan 4, 3 1. I made the project on a breadboard. But the decoding never works!! On powerup, it displays a random BCD output on it’s 5 output pins.
CM Datasheet, PDF – Alldatasheet
And then that Outputs stays high till I turn the power off. I’m dead sure about the connections of the circuit. And the clock 3.
What maybe the problem here? Jan 11, 2. Nov 28, 1, The circuit looks fine, as it is the same one taken straight from the data dwtasheet. You can do the following checks: This increases the input gain from 1 to 2.
Jan 13, 3. Increasing the value of GS resistor solved the problem. Now it’s a K resistor. Mar 11, 4. Mar 11, 1 0. Last edited by a moderator: Mar 11, 5. Aug 30, 1, Aug 23, 6. Aug 23, 1 0. Aug 23, 7.
(PDF) CM8870 Datasheet download
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