QUATECH, INC.

ADM12-11

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

[Image]

                                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 &
         channels                                               7, 4 & 8
                                                                 closed

  »   8 differential       Open         Open        Closed      Pins 3 &
         channels                                               7, 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 µs            Pins 1 & 6, 4 & 5 closed

  »         10-bit resolution/21 µs               Pins 2 & 7 closed

  »         8-bit resolution/17 µs                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.