Re: [time-nuts] Multiple Time Interval Counters to measure Transients?

2012-09-11 Thread Javier Serrano
On Mon, Sep 10, 2012 at 9:08 PM, Florian Teply wrote: > Apart from that, I'll also check with ACAM in Germany as they have > ready-made chips that would do that, and 65 to 120 ps RMS accuracy is > okay for the CMOS stuff. Maybe they sell their chips for only a few > hundred euros each... ;-) You

Re: [time-nuts] Multiple Time Interval Counters to measure Transients?

2012-09-10 Thread Marek Peca
Hello, just few quick comments: Unfortunately, I don't have a more precise technical spec. I'm just trying to find a viable solution to characterize a chip manufacturing process with regard to Single-Event Transients. As this is supposed to only be a side task for my PhD, I would prefer to use

Re: [time-nuts] Multiple Time Interval Counters to measure Transients?

2012-09-10 Thread Florian Teply
Hello, Am Sat, 8 Sep 2012 21:56:45 +0200 (CEST) schrieb Marek Peca : > > Well, for the CMOS stuff 100ps should do just fine. Of course, less > > is better, but there's only so much one can reasonably do for so > > many channels... Even a PICTIC should be able to do better than 500 > > ps for a sin

Re: [time-nuts] Multiple Time Interval Counters to measure Transients?

2012-09-10 Thread Florian Teply
Am Sun, 09 Sep 2012 02:40:23 +0200 schrieb Magnus Danielson : > Hi Florian, > > On 09/08/2012 07:34 PM, Florian Teply wrote: > > The idea I have right now is employing something on the order of > > three to five comparators per output, fed with different trigger > > levels. That way I should be a

Re: [time-nuts] Multiple Time Interval Counters to measure Transients?

2012-09-08 Thread Magnus Danielson
Hi Florian, On 09/08/2012 07:34 PM, Florian Teply wrote: Hi fellow time nuts, quite soon I'll have to come up with a clever idea to characterize a few chips of a 130nm BiCMOS technology for transients. Unfortunately, I'll have to look at something on the order of five dozen outputs per chip, al

Re: [time-nuts] Multiple Time Interval Counters to measure Transients?

2012-09-08 Thread Marek Peca
Hello, Well, for the CMOS stuff 100ps should do just fine. Of course, less is better, but there's only so much one can reasonably do for so many channels... Even a PICTIC should be able to do better than 500 ps for a single channel. From what I've read, a few hundred units of HP5370 should solve

Re: [time-nuts] Multiple Time Interval Counters to measure Transients?

2012-09-08 Thread Florian Teply
Hello, Am Sat, 8 Sep 2012 19:41:28 +0200 (CEST) schrieb Marek Peca : > > (..) But then I'll have to throw a few hundred Time Interval > > Counters at the problem in order to get the information on the > > duration of the transients. So in general, amplitude information > > comes from the compar

Re: [time-nuts] Multiple Time Interval Counters to measure Transients?

2012-09-08 Thread Marek Peca
Hello, On Sat, 8 Sep 2012, Florian Teply wrote: (..) But then I'll have to throw a few hundred Time Interval Counters at the problem in order to get the information on the duration of the transients. So in general, amplitude information comes from the comparator trigger levels, time informatio

[time-nuts] Multiple Time Interval Counters to measure Transients?

2012-09-08 Thread Florian Teply
Hi fellow time nuts, quite soon I'll have to come up with a clever idea to characterize a few chips of a 130nm BiCMOS technology for transients. Unfortunately, I'll have to look at something on the order of five dozen outputs per chip, all at the same time. If money and development time was no co