counterfeit MAX232 | | 01/01/70 00:00 |
How did you test 'em? | | 01/01/70 00:00 |
testing the counterfeit chips | | 01/01/70 00:00 |
RE: serial port issues | | 01/01/70 00:00 |
Only bad ISR should be able to overload the PC | | 01/01/70 00:00 |
PC Lockup? | | 01/01/70 00:00 |
Unhandled interrupts brings almost any machine down | | 01/01/70 00:00 |
Missing the point | | 01/01/70 00:00 |
response to Andy Neil | | 01/01/70 00:00 |
Ha, ha, the capacitors are too big! | | 01/01/70 00:00 |
maybe they're too small ... | | 01/01/70 00:00 |
no caps are not too big | | 01/01/70 00:00 |
did you verify the output voltages? | | 01/01/70 00:00 |
They were a good deal... | | 01/01/70 00:00 |
yes, I learned | | 01/01/70 00:00 |
here is a simple log | | 01/01/70 00:00 |
here's a log from a real max232 | | 01/01/70 00:00 |
it does no matter, but | | 01/01/70 00:00 |
Never mind the logs... | | 01/01/70 00:00 |
responding to Andy Neil | | 01/01/70 00:00 |
logic analizer | | 01/01/70 00:00 |
Should Be Able To Examine Using Logic Analyzer | | 01/01/70 00:00 |
Logic levels | | 01/01/70 00:00 |
There's really no need | | 01/01/70 00:00 |
Can it? | | 01/01/70 00:00 |
Volt meter is good but for rough testing | | 01/01/70 00:00 |
It could be a bad circuit? | | 01/01/70 00:00 |
Sometimes totally untested chips | | 01/01/70 00:00 |
the easiest thing to steal ... | | 01/01/70 00:00 |
agreed, but ... | | 01/01/70 00:00 |
Lots of things happens when packaging stolen silicon | | 01/01/70 00:00 |
ripple, maybe, but proper voltages, never! | | 01/01/70 00:00 |
where would excessive ripple originate? | | 01/01/70 00:00 |
are we identifying counterfeits or solving other problems? | | 01/01/70 00:00 |
not so | | 01/01/70 00:00 |
maybe, but not an obsolete part ... | | 01/01/70 00:00 |
Especially for obsolete parts! | | 01/01/70 00:00 |
The MAX232 was replaced by MAX232A | | 01/01/70 00:00 |
Lots have already happened | | 01/01/70 00:00 |
maybe ... | | 01/01/70 00:00 |
nope | | 01/01/70 00:00 |
Really? Why? | | 01/01/70 00:00 |
you have often advocated | | 01/01/70 00:00 |
In case you haven't noticed ... | | 01/01/70 00:00 |
some testing results | | 01/01/70 00:00 |
looks like ... | | 01/01/70 00:00 |
or they are from the garbage | | 01/01/70 00:00 |
Voltages? | | 01/01/70 00:00 |
yes the voltage was 7.79V | | 01/01/70 00:00 |
Can't use volt meter | | 01/01/70 00:00 |
I doubt MAXIM would allow garbage out the door. | | 01/01/70 00:00 |
Counterfeit Maxim parts | | 01/01/70 00:00 |
How much profit could they have made? | | 01/01/70 00:00 |
Profit? | | 01/01/70 00:00 |
Labor isn't the critical factor here, is it? | | 01/01/70 00:00 |
profit/motives | | 01/01/70 00:00 |
they are counterfeit!! | | 01/01/70 00:00 |