A good digital oscilloscope?
in [Design]
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From: JosephKK on 15 Dec 2009 01:20 On Sun, 13 Dec 2009 21:43:59 -0600, Jim Yanik <jyanik(a)abuse.gov> wrote: >"Tim Williams" <tmoranwms(a)charter.net> wrote in >news:hg3l20$kf0$1(a)news.eternal-september.org: > >> "John Larkin" <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote in >> message news:4ogai51nv3vosmev14ug9mljcp10059368(a)4ax.com... >>> The 545-547 scope front panels were wonderful. You could grab a fist >>> full of knob, with serious detents, and wail away. They were a >>> pleasure to drive. >>> >>> Kids these days. >> >> You've got a point about "fistful of knob" and "drive". > >well,those tube monsters had REAL switches in them! >> >> Tim >> > >to use a scope these days,you have to go through menus. > >Pretty soon,all TEK scopes will be made in China. >(they're moving production there) I thought it had been moved there. Or are they finally moving the spooky parts stuff there as well?
From: JosephKK on 15 Dec 2009 01:23 On Sun, 13 Dec 2009 11:17:13 -0700, Jim Thompson <To-Email-Use-The-Envelope-Icon(a)My-Web-Site.com/Snicker> wrote: >On Sun, 13 Dec 2009 09:46:00 -0800, >"JosephKK"<quiettechblue(a)yahoo.com> wrote: > >>On Fri, 11 Dec 2009 16:19:47 -0700, Jim Thompson <To-Email-Use-The-Envelope-Icon(a)My-Web-Site.com/Snicker> wrote: >> >>>On Fri, 11 Dec 2009 14:55:01 -0800, Charlie E. <edmondson(a)ieee.org> >>>wrote: >>> >>>>On Fri, 11 Dec 2009 11:32:44 -0800, Joerg <invalid(a)invalid.invalid> >>>>wrote: >>>> >>>>>Joel Koltner wrote: >>>>>> "Joerg" <invalid(a)invalid.invalid> wrote in message >>>>>> news:7ob08jF3oortqU1(a)mid.individual.net... >>>>>>> But wait, $600 for a Christmas gift? Ain't that a bit over the top? >>>>>> >>>>>> Only a little... I think that $250-$500 per kid for Xmas today is not at >>>>>> all uncommon today... >>>>>> >>>>>>> As a kid I had to work for stuff like that. For example at a meat >>>>>>> factory until I had the $400 for my first used and pretty banged up >>>>>>> HW100 transceiver. >>>>>> >>>>>> I doubt you can legally work at a meat factory unless you're at least 18 >>>>>> today. :-( >>>>>> >>>>>> If you want to see some kids with wealthy parents who are *seriously* >>>>>> spoiled, check this out: >>>>>> http://www.mtv.com/shows/sweet_16/episodes.jhtml . It's not uncommon on >>>>>> that show for the parents to blow $25-$100k on their kid's 16th birthday! >>>>>> >>>>>> If I had the choice between a Lexus and, I dunno, a Civic and a bunch of >>>>>> test equipment, I think it'd be obvious which I'd choose... >>>>>> >>>>> >>>>>What I really don't understand is when a couple goes into big time debt >>>>>just for the wedding ceremony, and often the bride's folks as well. I've >>>>>heard of one couple who "had to" sell their home and move into an >>>>>apartment to give their daughter an "appropriate" wedding. >>>>> >>>>>We made sure that neither of our parents had to pay anything and that >>>>>our wedding ceremony was reasonable and could be comfortably paid from >>>>>our savings (without raiding the account). Credit card use for the >>>>>wedding was zilch. >>>> >>>>Ah, Jeorg, we are so much alike! >>>> >>>>When we got married, we were still in college, so had a small ceremony >>>>there. We paid for the flowers, the photos (a real mess, but then we >>>>were young then, and didn't know to get things in writing!) the cakes, >>>>etc. We didn't even HAVE a credit card at the time! Her folks helped >>>>out on some of the expenses, and her mom made the dress. I just >>>>rented a tux. It was simple, and inexpensive, and still very >>>>memorable! >>>> >>>>Charlie >>> >>>Went to the minister's house and got married for FREE... >>>_50_years_ago_this_coming_March_31_ ;-) >>> >>> ...Jim Thompson >> >>Look him up and have a nice dinner with him about that time (provided 'e is >>still around). (Or on some chance her). > >He'd be around 110 years old ;-) > > ...Jim Thompson Nobody would blame you for trying.
From: JW on 15 Dec 2009 06:08 On Mon, 14 Dec 2009 17:48:37 -0800 (PST) "miso(a)sushi.com" <miso(a)sushi.com> wrote in Message id: <a98a046a-e98b-4bbb-83a2-12d8c7777e9e(a)r24g2000prf.googlegroups.com>: [...] >I've use the scope. Seems fine to me. I have to laugh about the >complaint of bench top space it uses. I don't own anything that >compact. ;-) > >I'm not sure if this is still the case, but IIRC, didn't Tek mux their >ADC, while HP had an ADC per channel? So you use 2 channels, you get >half the bandwidth. On the TDS5XX through 7XX, no. Each channel has its own ADC. That may have been true for lower end scopes at the time, but don't quote me on that.
From: Jim Yanik on 15 Dec 2009 08:52 "Joel Koltner" <zapwireDASHgroups(a)yahoo.com> wrote in news:H3DVm.414201$ua.294023(a)en-nntp-05.dc1.easynews.com: > > Hey, don't cars with automatics generally get a mile or two per gallon > better mileage than manuals? ;-) > > ---Joel > > Manuals usually get better mileage,but that is changing in -some- models,because of the addition of lockup torque converters and CVTs. automatics eliminate the need for driver competence. Note that "unintended accelleration" crashes occur only with automatics. -- Jim Yanik jyanik at localnet dot com
From: JosephKK on 15 Dec 2009 09:23
On Mon, 14 Dec 2009 05:49:10 -0500, JW <none(a)dev.null> wrote: >On Sun, 13 Dec 2009 09:55:00 -0800 "JosephKK"<quiettechblue(a)yahoo.com> >wrote in Message id: <thaai5910p66m8l1bgd3g3sm9smcs3l65m(a)4ax.com>: > >>On Mon, 07 Dec 2009 06:17:00 -0500, JW <none(a)dev.null> wrote: >> >>>On Sun, 06 Dec 2009 19:45:24 +0000 info_at_cabling-design_dot_com(a)foo.com >>>(DA) wrote in Message id: >>><c2690$4b1c09d4$43de0cc0$11122(a)news.flashnewsgroups.com>: >>> >>>>Hi all, >>>> >>>>I think I'm going to try and treat myself to an oscilloscope this >>>>Christmas. I've managed to go without one for the last 15 years or so and, >>>>frankly, did not have a burning need or even much space for it. I do some >>>>digital design (PIC based mostly) - LED, motor controls and such and >>>>every once in a while I wish I has something to look at the signal with. >>>> >>>>So, I've looked around and saw this name come up often: Rigol DS1102E >>>>100MHz Digital Storage Oscilloscope. There is also a 50MHz version which >>>>is what I think I need. There has not been any need for me to look at >>>>100MHz signals in a long time. I am not at all proficient with >>>>oscilloscopes and have never used a digital one. Last one I used had a >>>>round green screen :) which hints at how long ago that was... So flat(er) >>>>learning curve would be important for me. >>>> >>>>Are there people here using this brand? Are they any good for use in >>>>digital designs and, most importantly for me at this point, easy to learn? >>>> >>>>I guess, Rigol may not be the only ones making digital oscilloscopes these >>>>days. What other brands/models should I also look at? >>>> >>>>Thanks for your suggestions! >>> >>>I'll sell you a Tektronix 500MHz 1GSa/S TDS540 for $800 + shipping. :) >> >>Since DA took a pass i must ask, does it include probes? Option 1M? > >No probes, but yes it does have option 1M. OK I'm up for it. My real email is in the headers. |