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Woah dude,
Thanks.
You mean that I can only measure the discharge? And then just use the V(t)=V0+V0*e^-(t/(tau))
I will try to look through the scope and see the actual step response of the system.
Yeah I've searched wiki too but since the equation still have this s and j stuff, I cannot...
Guys, I need help.
How can I precisely measure the C in RC parallel circuit?
I force 1mA current from a DC source.
One way that I did was to fully charge the cap so it will become a high impedance. After that I measure the R. The voltage is 998mV so this is close enough.
But then I realize...
Men youre good...you're right we can fuse it, we dont want to use it anyway. After I measure the RDS(on), I will apply some number of current up to its max rating just to blow the bonding if the amount is not sufficient. I got this feeling that some how this will not work. ;)
The organization itself is a matured top 10 company, but we live with "let it run now, think about the stability and improvement later" principle. This is okay for the guys in business unit, but people at production site will suffer from maintaining the output and yield without sure improvement...
Well, if you're on a position that must decide whether you can release the device testing or not based on a small quantity of sample, what would you do? The point to think about is the stability of the test program, device complexity, and the hardware stability. you will only have about 1K of...
The problem was the same pad and the same lead on both end of the wire bond.
We cannot use xray observation since it will took a long time to finish. That is why i'm thinking to implement a test in the test program that can detect this tiny changes. If the resistance is 0.1ohm, then it would be...
Hi All,
How to detect broken wire bond in a multiple wire bonding?
If in one pad and one lead have more than 1 wire bond, how to detect if one of them are broken? The detection should use DCVI instrument or ATE (non xray or things like that).
Please help
Hi All,
In order to ensure that the test program to test a semiconductor is stable, what kind of tools that you would probably use at work? I know that most statistical tools are good to predict whether a test is stable or not, but what method in statistic that can predict with high accuracy...
Computer:
It uses microprocessor with higher power up to the order of Watt
Cell Phone:
Low power processor means save battery, reduce heat, lower speed, and much more minimums.
Computer:
It has a north and south bridge, BIOS, super power graphic cards, and not to mention DDRs with tremendous...
Actually that is not suppose to cross. It should bonded close each other. It is crossed like that because the wire is broken. Electrical test proves that those crossing bond are not shorted.
semicon forum
Hi,
Anybody know any form that mainly talk about semiconductor fabrication and testing? I really wish this forum have a semicon discussion group, especially testing.
Thanks for the info.
rdson test
Some times Power Mosfet wiring is not easy to look with X-ray because the wire is not gold but it uses Aluminum.
What you must know is that RDSON value is tested after the device is fully assembled in a package. So, the value that you see or know is the value from the wafer to the...
Hi All,
I have this device that internally connected with two wire on a single pad and lead. If one wire is broken, the device can pass the electrical testing. It can also pass the diode continuity test.
Any idea on how to detect broken wire in electrical testing if the 2 wire bond connection...
ATMEGA128 Overclocking
Hi All,
Maybe this is an old standard question...can I over clocked ATMEGA128 to 18.432MHz? If can, should the Vcc increased by several volt or not?
Best Regards,
Rikie Rizza
That is why you should turn off completely. If 1 million television in stand by mode that consume 5W of electricity...that means 5MW of power were used. is it?? may be.
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