Visiting artists Roxann Murray & Juliette Ricci Lagman will be at Middle Floor Merchants during Third Thursday ArtWalk!   Date: February 17, 2011 Time: 6-8pm Location: Sanford and Son Antiques 743 Broadway Tacoma, WA 98402   Hope to see you there! Roxann L.

You must have missed the post where I mentioned I bought 120 square feet (60' by 2') of 5 mil and 14' x 6" 21 mil. No, I don't think I'm going to be short on copper material.

Tracing the circuits is also made more difficult because of the use > of mil parts and mil nomenclature. I have most cross correlated and I am > down to one PMI part 38510/11201BCA. Does any one have any info, such a > nice unit, would like to make it work. OK, does all the parts have operational power? Does the modulation work?

Lavoie >Labs and Dumont built Tek scopes under these contracts, and then >continued to build Tek scope clones for years afterward, on into the >60's, most notably, clones of the 530 and 540 series, which had mil >contract provisions on them.

Skin depth at 1 MHz is about 0.1 mm (4 mils). At that point, shielding is compromised. Depending on cable length / required isolation / optical coverage you might want 5 or even 10 skin depths. It's a bit tough to find a flexible lab cable with 1 mm (40 mil) shielding on it.

to use both 10 Gbit interfaces > simultaneously with a x300/x310?

I did the Nonquon lagoons today and found 10 species of shorebirds and several Black Terns.

> > concat(f,fs,[df1, df2]): > > concat(f,fs); > > // boolean operated to check render() > > render() > > difference(){ > > polyhedron(pts,fcs); > > cube(3,center=true); > > translate([10,0,0]) cube(3,center=true); > > } > > echo(points=pts); > > echo(faces=fcs); > > > > > > -- > View this message in context: http://forum.openscad.org

The 10 MHz signal goes into one port of a LM 1496 double balanced mixer. The other input would be from a reasonably stable 9 MHz oscillator. Taking the DBM output into a simple low pass filter we use that 1MHz signal to phase lock the next CD 4046 oscillator to 10 MHz.

Currently about 10 siskins, 2 cardinals and various numbers of juncos, white throated sparrows, mourning doves, etc. feed. No sooty terns or frigatebirds yet, but I will watch the feeders until the highways open and I have to go to work. ;) Rob Ballinger, Newington