QUATECH, INC.
=============

   ADM12-11

   Category          Analog to digital signal converter           
   Chipset           Unidentified                                 
   Controller        
   I /O Options      External clock input, external trigger input 
   Supported         
   Maximum Onboard   N/A                                          
   Memory            

<gopher://bitreich.org/I/th99/i/P-R/50806-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Purpose       | Location |    Purpose     | Location |
   |---------------------+----------+----------------+----------|
   |   Expansion card    |    H1    | Expansion card |    H2    |
   |      connector      |          |   connector    |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       CHANNEL MODES                        |
   |------------------------------------------------------------|
   |    >> Setting     |J1/jumper|J1/jumper|J1/jumper|    J5     |
   |                  |    A    |    B    |    C    |           |
   |------------------+---------+---------+---------+-----------|
   |>>|16 single-ended | Closed  | Closed  |  Open   |Pins 3 & 7,|
   | |    channels    |         |         |         |   4 & 8   |
   | |                |         |         |         |  closed   |
   |-+----------------+---------+---------+---------+-----------|
   |>>| 8 differential |  Open   |  Open   | Closed  |Pins 3 & 7,|
   | |    channels    |         |         |         |4 & 8 open |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        INPUT SIGNAL                        |
   |------------------------------------------------------------|
   |        >> Setting         |               J3                |
   |--------------------------+---------------------------------|
   |>> |   Bipolar/-5 to 5V   |    Pins 2 & 6, 4 & 8 closed     |
   |---+----------------------+---------------------------------|
   |>> | Bipolar/-2.5 to 2.5V | Pins 2 & 6, 3 & 7, 4 & 8 closed |
   |---+----------------------+---------------------------------|
   |>> |   Unipolar/0 to 5V   | Pins 1 & 2, 3 & 7, 4 & 8 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      CONVERSION TIME                       |
   |------------------------------------------------------------|
   |           >> Setting           |             J4             |
   |-------------------------------+----------------------------|
   |>> |  12-bit resolution/25 us  |  Pins 1 & 6, 4 & 5 closed  |
   |---+---------------------------+----------------------------|
   |>> |  10-bit resolution/21 us  |     Pins 2 & 7 closed      |
   |---+---------------------------+----------------------------|
   |>> |  8-bit resolution/17 us   |     Pins 3 & 8 closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        CLOCK INPUT                         |
   |------------------------------------------------------------|
   |           >> Setting            |            J5             |
   |--------------------------------+---------------------------|
   |>>       |    Internal clock    |     Pins 5 & 6 closed     |
   |---------+----------------------+---------------------------|
   |>>       |    External clock    |     Pins 1 & 5 closed     |
   |------------------------------------------------------------|
   | Note: The external clock signal is connected through pin   |
   | 17 of the header H1.                                       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                            GAIN                            |
   |------------------------------------------------------------|
   |         >> Setting          |              J2               |
   |----------------------------+-------------------------------|
   |>>  |          One          |         All pins open         |
   |----+-----------------------+-------------------------------|
   |>>  |          Ten          |       Pins 2 & 4 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      EXTERNAL TRIGGER                      |
   |------------------------------------------------------------|
   |         >> Setting         |               J5               |
   |---------------------------+--------------------------------|
   |>>        |    Disabled    |     Pins 1 & 2, 5 & 6 open     |
   |----------+----------------+--------------------------------|
   |>>        |    Enabled     |    Pins 1 & 2, 5 & 6 closed    |
   |------------------------------------------------------------|
   | Note: The external trigger signal is connected through pin |
   | 17 of the header H1.                                       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |  The ADM12-11 is a modular daughter-card designed to work  |
   |            with the Quatech PXB-721 or MXI-241.            |
   +------------------------------------------------------------+