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Thread: 10k scanner, scan angle

  1. #1
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    Default 10k scanner, scan angle

    got my dt40 which have been tunned by bill, he removed the pot and they use pin 12 and 13 is it? X and Y -

    my 10k use pin 25 ground and the scan angle is half the size (give or take) of my dt40.

    how can i get the 10k bigger to match my dt40 more? use X and Y ground?
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  2. #2
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    Default X-,Y-

    maybe, you can connect X-/Y- to GND.
    only use X+, Y+, and adjust the 10K galvos size. increase the galvos size.
    Last edited by laserpic; 10-02-2008 at 00:45.

  3. #3
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    Andy
    I hope you havent connected one scanner to X and Y-
    Have your 10ks got differential inputs?

    Rob
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  4. #4
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    Default

    Add a simple x2 amplifier


  5. #5
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    Default

    Quote Originally Posted by stanwax View Post
    Andy
    I hope you havent connected one scanner to X and Y-
    Have your 10ks got differential inputs?

    Rob
    no....

    the scanners works just fine, its just not a wide as my dt40 scanners. but my dt40 have been tunned by bill

    Add a simple x2 amplifier
    but can the scanners hand going wider?
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  6. #6
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    They are made for +-10V input, just not differential.
    When you use the +X/+Y and gnd, you're only giving them +-5V

  7. #7
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    Default

    No need for a 2x amp. Just connect between X+ and X- and Y+ and Y- and you will have +-10V. Just make sure those 10K scanners are actually made for +-10V instead of +-5V. I have a set and can probably verify it this weekend if no one else can. I just need to measure what comes out of the DMX board.

  8. #8
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    Quote Originally Posted by carmangary View Post
    No need for a 2x amp. Just connect between X+ and X- and Y+ and Y- and you will have +-10V. Just make sure those 10K scanners are actually made for +-10V instead of +-5V. I have a set and can probably verify it this weekend if no one else can. I just need to measure what comes out of the DMX board.
    If you read above, he's using 2 scanners on the same DAC, so he can't do that.

    EDIT: The FB3 is single ended anyways so you won't be able to make it bigger I'm afraid

  9. #9
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    my dt40 use X & Y - even on the fb3.

    ill test see if connecting the 10k to X & Y -makes a difference.
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  10. #10
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    Default

    I had the same problem about "half the scanangle" with my LSP-20KPRO and FB3.
    You can get the schematic for a single end to differential board from pangolin for free... It's really simple to build and sits between the FB3 and the amps (no additional psu needed) (2 opamps and a handfull of resistors)

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