Re: [casper] ROACH and ADC RFI tests

2011-09-06 Thread Francois Kapp
Hi All, I don't have our own results in a handy packaged format, but this correlates well with what we saw. If the 533 MHz is fundamental, it is pure PowerPC - the clock is generated on chip from a lower frequency reference. Regards, Francois On Tue, Sep 6, 2011 at 10:29 PM, John Ford

Re: [casper] ROACH and ADC RFI tests

2011-09-06 Thread David MacMahon
Hi, John, That's very interesting. How does this compare with a laptop or other PC? Why was it tested with the lid off? Is that how it will be deployed? Thanks, Dave On Sep 6, 2011, at 1:14 PM, John Ford wrote: Hi all. We tested a ROACH and and 2 ADC boards (3 GS/s boards) in our

Re: [casper] ROACH and ADC RFI tests

2011-09-06 Thread John Ford
Hi, John, That's very interesting. How does this compare with a laptop or other PC? Why was it tested with the lid off? Is that how it will be deployed? Laptops and other PCs are a different kettle of fish altogether. They have a wide range of emissions, and most of them have emission

Re: [casper] ROACH and ADC RFI tests

2011-09-06 Thread David MacMahon
Thanks, John! On Sep 6, 2011, at 1:47 PM, John Ford wrote: Hi, John, That's very interesting. How does this compare with a laptop or other PC? Why was it tested with the lid off? Is that how it will be deployed? Laptops and other PCs are a different kettle of fish altogether. They

Re: [casper] ROACH and ADC RFI tests

2011-09-06 Thread John Ford
Thanks, John! On Sep 6, 2011, at 1:47 PM, John Ford wrote: Hi, John, That's very interesting. How does this compare with a laptop or other PC? Why was it tested with the lid off? Is that how it will be deployed? Laptops and other PCs are a different kettle of fish altogether. They