low MHz connector design consultant
in [Design]
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From: Joel Koltner on 30 Apr 2010 16:09 "Jan Panteltje" <pNaonStpealmtje(a)yahoo.com> wrote in message news:hrfc9o$u9b$1(a)news.albasani.net... > I use them today, a lot: > http://panteltje.com/panteltje/pic/swr_pic/swr_box_rear_img_0976.jpg Gee, Jan, you do know that DB-9 backshells are something like $0.19... right? :-)
From: Joerg on 30 Apr 2010 16:21 Joel Koltner wrote: > "Jan Panteltje" <pNaonStpealmtje(a)yahoo.com> wrote in message > news:hrfc9o$u9b$1(a)news.albasani.net... >> I use them today, a lot: >> http://panteltje.com/panteltje/pic/swr_pic/swr_box_rear_img_0976.jpg > > Gee, Jan, you do know that DB-9 backshells are something like $0.19... > right? :-) > I was gonna say ... it all looks very professional, and then this DB-9 :-) -- Regards, Joerg http://www.analogconsultants.com/ "gmail" domain blocked because of excessive spam. Use another domain or send PM.
From: Spehro Pefhany on 30 Apr 2010 16:43 On Fri, 30 Apr 2010 11:54:23 -0700, John Larkin <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote: >On Fri, 30 Apr 2010 09:43:06 -0700, RST Engineering ><jweir43(a)gmail.com> wrote: > >>On Thu, 29 Apr 2010 20:42:20 -0700, Robert Baer >><robertbaer(a)localnet.com> wrote: >> >> >>> An RCA phono type connector is almost good enough, a BNC certainly fits. >> >> >>RCAs work quite well up to about 100 MHz. >> >>Jim > >BNCs are pretty good at 6 or 7 GHz. I just did > >sampling head, TDR step >8" sma coax >sma-BNC male >BNC female-SMA >8" sma coax >other channel of head > >and got a pretty decent step response with 52 ps rise time, using the >cheapest Jameco sma-bnc adapters on the planet. > >John You got one of these things to check them out with? http://cp.literature.agilent.com/litweb/pdf/5990-5271EN.pdf I wonder how long the sales guys would lend one for... might be fun.
From: Joel Koltner on 30 Apr 2010 17:06 "Spehro Pefhany" <speffSNIP(a)interlogDOTyou.knowwhat> wrote in message news:o6gmt5t0qhkppnap63v22mgud842idl22f(a)4ax.com... > You got one of these things to check them out with? > http://cp.literature.agilent.com/litweb/pdf/5990-5271EN.pdf > I wonder how long the sales guys would lend one for... might be fun. If you tell him it's for a 20MHz connector design, hopefully he'll think you misspoke and meant 20GHz... :-)
From: mpm on 30 Apr 2010 17:10
On Apr 30, 3:09 pm, "Joel Koltner" <zapwireDASHgro...(a)yahoo.com> wrote: > "Jan Panteltje" <pNaonStpealm...(a)yahoo.com> wrote in message > > news:hrfc9o$u9b$1(a)news.albasani.net... > > > I use them today, a lot: > >http://panteltje.com/panteltje/pic/swr_pic/swr_box_rear_img_0976.jpg > > Gee, Jan, you do know that DB-9 backshells are something like $0.19... right? > :-) Well, at least he's using the same hardware everywhere. I hate it when one side of something is screwed in using a straight blade, and the other side a Phillips!! |