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  1. #1
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    Posts: 35

    VCSEL-780 ( )

    ,

    VCSEL-780 : http://www.thorlabs.com/Thorcat/11900/11921-S01.pdf

    500Khz, 50% , 7.6, 2.5.
    780nm, 1.6mw. web . IR .

    !
    , ?

    , .

    .
    Last edited by Grifi; 5th July 2008 at 17:34. Reason:

  2. #2
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    ,

    - / ? : 2 , .
    . 2 ( ) 500Khz (0/1), ?
    , Rise/Fall 300ns, Rise, . / .

    , .

  3. #3
    tonerstationbg IgIv's Avatar
    Join Date: May:2005
    Location:
    Posts: 4,090
    , . 9600/, . uA723, RS232- 75188 75189.
    - . 500 , .
    , - , - .

  4. #4
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    , 2.5Gbit/s.
    ?
    Khz/Mhz ?

    , , . , . , . TV- " " . , 6 , , - .

  5. #5
    tonerstationbg IgIv's Avatar
    Join Date: May:2005
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    Posts: 4,090
    - 10 . (>20) , - .
    , - , - .

  6. #6
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    CA3130 ( 15Mhz), , ?
    ?

    , , . .
    - 5V;
    - 100uF+100nF, ;
    - DD1 (74HCT04);
    - 5 (DD2-DD6);

    :
    Code:
    --------------------------------------x----- +5V
                                          |
                                         ---
                                         | | R560 ohm
                                         ---
                                          |
                                         ---
                                         | | R82 ohm
           |\             R 1K           ---
           |  \          ____             |
           |    \ ______|    |____________x
           |    /        ----             |
           |  /                          ___
           |/                             \/  ~~~~  
                                         ---
                                          |
                                          |
                                        ----
                                        //// 
    ~2V .
    R560+R82 4.67ma (5v - 2v) / (560+82) = 0.00467A
    2.8ma (4.8v-2v) / 1000 = 0.0028A
    1.8ma (1.8v / ) / 1000 = 0.0018

    = 4.67+2.8 = 7.47ma
    , = 4.67-1.8 = 2.87ma

    ....

  7. #7
    tonerstationbg IgIv's Avatar
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    :
    1. , 15% .
    2. , NPN Ic > 100mA ( ). , - .
    . 0 . .1 , , .
    7404, . >2%, .
    , - , - .

  8. #8
    Registered User
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    !
    : 0 85% ?

    , . , +/-1ma, 100% , , 7805 ( ).

    .

  9. #9
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    , .
    100% . 200 ( ). , ! 440 .
    .

    2 . , BF964 TCA440 .

    . . - .
    , . , .

  10. #10
    tonerstationbg IgIv's Avatar
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    ?
    , - , - .

  11. #11
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    , . +5V , .

    : . IgIv NPN I>100ma, 1.5A (ZXM61N02).
    , , .
    Last edited by Grifi; 9th July 2008 at 20:03.

  12. #12
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    .

    :
    1. - ( IgIv);
    2. NPN ( IgIv);
    3. - .
    . .
    .

    , !
    IgIv!

    1: IR .
    2: + .
    Last edited by Grifi; 13th July 2008 at 11:46.

  13. #13
    tonerstationbg IgIv's Avatar
    Join Date: May:2005
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    , . , .
    , - , - .

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