Re: X-Y to VGA/USB converter
I don't think that audio frequencies are anywhere near what is needed for most instruments. To maintain accurate display I'm thinking of at least 1MHz bandwidth -- that means 5 to 10 Ms/s sampling
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Kuba Ober
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#38493
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Re: X-Y to VGA/USB converter
This is fine and dandy, but for real instruments you need VectorVGA Pro, and it looks like it's neither designed to be affordable, nor was their NRE "cheap". Once you decide to use an FPGA (like they
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Kuba Ober
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#38492
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Re: X-Y to VGA/USB converter
That's "almost" what we want, but not exactly. It has a fixed 800x600 resolution, and it will look like crap on widescreen monitors. For some reason everyone must be watching movies on their monitors,
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Kuba Ober
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#38491
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Re: X-Y to VGA/USB converter
Haha. 240Hz sampling rate at 10 bits.
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Kuba Ober
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#38490
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Re: X-Y to VGA/USB converter
I'm thinking of something where you plug it in and it works, with or without a PC. I don't think *that's* available. Kuba
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Kuba Ober
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#38489
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Request for HP3312a Model Information
Most available information on the 3312a function generator lists serial numbers beginning with 1432A-- I have a later version with 2901A-- prefix and wondered if there are significant differences in
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br4av01 <br4av01@...>
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#38488
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Need Manuals for HP6266B and HP3310A
Would like to purchase these manuals. Thank you! -br4
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br4av01 <br4av01@...>
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#38487
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Re: Favorite bad capacitor debugging techniques?
The last switched PSU I repaired two weeks ago, was an standard artysan power supply, I think is a 5 volts+ 15 and -15 volts or so, there are different models of 5v+12+-12Volts etc..I think this model
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ea4dsy
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#38486
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Re: X-Y to VGA/USB converter
Check out vectorVGA Tempest http://www.vectorvga.com/specifications.htm $179. However, some scaling input will be needed. I inquired to this company about using this for my 8566/68 specans. They have
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W2HX
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#38484
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Re: X-Y to VGA/USB converter
Hi Bill, I think this one of them. But I think there are others too: http://vectorvga.com/specifications.htm Was this what you were looking for? Xtof
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Christophe Huygens
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#38485
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Re: X-Y to VGA/USB converter
Hi Chris, I must have missed the reference. I have cobbled up something for my 141T series but really need something much better. Could you send me the reference link? Thanks...Bill
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Bill Ress <bill@...>
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#38483
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Re: HP 343A V.H.F. noise source
The tube is a 7-pin miniature directly heated vacuum tube diode, type 5722. The noise is thermally limited by the temperature of the cathode (filament). The plate current is determined by adjusting
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doug
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#38482
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Re: X-Y to VGA/USB converter
On 09/01/2011 10:43 AM, Peter Reilley wrote: > Perhaps another approach might be easier. Use a PC and an A/D > input device. You could create an application that read 2 analog > inputs and displayed
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doug
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#38481
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Re: HP 343A V.H.F. noise source
The tube should be a 5722. See http://www.ko4bb.com/dokuwiki/doku.php?id=ham_radio:noise_sources_and_noise_figure_measurements for information. Stuart K6YAZ Los Angeles, California
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Stuart Landau
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#38480
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Re: HP 343A V.H.F. noise source
If memory serves me right it is a 5722. Regards - Mike Mike B. Feher, N4FS 89 Arnold Blvd. Howell, NJ, 07731 732-886-5960 From: hp_agilent_equipment@...
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Mike Feher
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#38479
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HP 343A V.H.F. noise source
Hi I have found in a flee market the A.M. device. Nice and with the the noise generator tube. Now i want to build the power supply it. The tube is not marked. The HP catalogue says that the ENR is 5.2
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canale
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#38478
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Re: X-Y to VGA/USB converter
I found the URL, take a look at it: http://www.qsl.net/om3cph/sb/dcwithsb.htm Regards, Ignacio
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EB4APL <eb4apl@...>
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#38477
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Re: X-Y to VGA/USB converter
Pete, You are right, but some guys had modified theirs easily for making DC coupled low frequency software scopes and the results had been encouraging. Since the internal A/D can handle DC, they
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EB4APL <eb4apl@...>
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#38476
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Re: Favorite bad capacitor debugging techniques?
Hi David: A shorted cap across a power supply rail causes the fuse blowing that you are seeing. This is different than a cap with high ESR that causes problems similar to removing the cap. Many
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Brooke Clarke
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#38475
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Re: X-Y to VGA/USB converter
Perhaps another approach might be easier. Use a PC and an A/D input device. You could create an application that read 2 analog inputs and displayed them in an X/Y manner in a window. You would not
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cnc_joker
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#38474
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