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  • Users: CarlPugh
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  1. CarlPugh

    Saving 2D drawing as ***.DWG

    Is ***.DWG the most common file extension when dealing with vendors? If ***.DWG is not the most common file extension, what is the most common file extension? Have AutoSketch 9 and it isn't saved correctly to ***.DWG. Have TurboCAD Designer 17.2 and find it difficult to use. Which 2D program...
  2. CarlPugh

    Variable frequency digital oscillator

    I am redesigning a circuit that uses a variable frequency digital oscillator. Originally the circuit was designed by HP. The circuit uses a 74S132 (quadruple 2-input positive-NAND schmitt triggers) and a 74LS00 (quadruple 2-input positive-NAND gates) The circuit operates at a center frequency of...
  3. CarlPugh

    X-ray detector design

    Does anyone have any experience designing X-ray detectors? X-ray intensity will be read out on a panel meter from 0 to some value. X-ray level will be fairly low. Should a Geiger tube be used, a halogen Geiger tube, a scintillation detector or something else? Has anyone used a halogen Geiger...
  4. CarlPugh

    Shoot from the hip.

    What is your opinion about using the expression "Shoot from the hip" One of the postings in this forum used the expression "Shoot from the hip". I once used this expression to a legal type person and he exploded. He was in the process of taking me to the company president before I calmed him...
  5. CarlPugh

    Objectionable Post

    Would like to post the following in the Electeical/Electronic engineering other topics Group under New Product Ideas. "I have been requested to come up with new product ideas. Not having much success, so am positng this for help. Interested in ideas for electronic or electrical products...
  6. CarlPugh

    Microsoft Front Page, Yahoo Hosting

    Designed web site a few years ago using Microsoft Front Page 2000. Just changed web site host to Yahoo Small Business. Yahoo doesn't use Front Page and am having problems transferring web site. Does anyone have any experience transferring web site to Yahoo? (Including a Microsoft Excel spread...
  7. CarlPugh

    Abbreviations, Letter Symbols and Acronyms

    What is the source used by most of you for abbreviations? For instance if have 50 ampere alternating current, should it be abbreviated 50 Amp ac, 50 A ac, 50A ac, 50 Aac or what. I am doing a web page and would like to use standard (if there is such a thing) abbreviations. Would like the name of...
  8. CarlPugh

    Easily removeable transparent plug for tube. (water resistant)

    Require easily removable transparent plug for tube. (water resistant) Present design uses 4" diameter G10 tube. Tube is too thin to add threads. Tried acrylic plug and AS568A-240 Buena O ring. (1/8" width, 70 durometer) With gland giving minimum compression of O ring, force to install...

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