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Science Forum Index » Electronics - Basics Forum » differences at output on and off...
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| sp... |
 Posted: Wed Jul 16, 2008 7:05 am |
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Guest
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hai
i am using LM393 as output ON and OFF
It is showing ,the output will be ON at 12.2V input voltage and the
output will OFF at 10.9V input voltage at normal room temperature
At AC room temperature the ON and OFF voltages like 12.5V and 11.3V
Can anybody tell me what is the problem , why it is behave like this
Thank u |
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| John Fields... |
| Posted: Wed Jul 16, 2008 12:30 pm |
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Guest
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On Wed, 16 Jul 2008 10:05:27 -0700 (PDT), sp
<swapnapriya2020 at (no spam) gmail.com> wrote:
Quote: hai
i am using LM393 as output ON and OFF
It is showing ,the output will be ON at 12.2V input voltage and the
output will OFF at 10.9V input voltage at normal room temperature
At AC room temperature the ON and OFF voltages like 12.5V and 11.3V
Can anybody tell me what is the problem , why it is behave like this
---
Thermal drift in your input resistors or reference.
Schematic?
JF |
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