National Instruments BNC-208X Series, Руководство пользователя, Страница: 10 / 69

Contents
© National Instruments Corporation xi BNC-208X Series User Manual
Figure 2-6. Connection between an MIO-16 Board, the BNC-2080 Board, and
the SC-2070/72 Board or the MIO-16, and the BNC-2080 and
SC-206X Series Boards via the SC-2050 Board ..............................................2-8
Figure 2-7. Switch Configurations for Differential Mode or Single-Ended Mode .............2-10
Figure 2-8. W1 Ground Reference Jumper .........................................................................2-10
Figure 2-9. BNC-2080 Switch Configurations for an MIO-16 Configured in
DIFF Mode (Factory Default Setting) ..............................................................2-11
Figure 2-10. BNC-2080 Switch Configurations for an MIO-16 Configured in
RSE and NRSE Modes .....................................................................................2-12
Figure 2-11. Bias Return Resistor for DC-Coupled Floating Source on Channel 1
in DIFF Mode ...................................................................................................2-14
Figure 2-12. Normalized Frequency Response of Lowpass Filter........................................2-16
Figure 2-13. Lowpass Filter on Differential Channel 1 ........................................................2-17
Figure 2-14. Normalized Frequency Response of Highpass Filter .......................................2-18
Figure 2-15. Highpass Filter on Differential Channel 1........................................................2-19
Figure 2-16. Attenuator for Use with Differential Inputs......................................................2-21
Figure 2-17. Switch Configurations for SE Mode (PC-LPM-16) .........................................2-22
Figure 2-18. Ground Reference Jumper Position for Use with the PC-LPM-16 ..................2-23
Figure 2-19. Analog Output Schematic for DACs, DAC0 OUT Shown .............................2-23
Figure 3-1. BNC-2081 Analog Breakout Board..................................................................3-1
Figure 3-2. BNC-2081 Board Parts Locator Diagram.........................................................3-2
Figure 3-3. Onboard Equivalent Circuit..............................................................................3-3
Figure 3-4. W1 Jumper Settings..........................................................................................3-4
Figure 3-5. Direct Connection between a Lab Board and the BNC-2081 Board................3-7
Figure 3-6. Connection between a Lab Board, the BNC-2081, and the SC-2071 Board,
or the Connection between a Lab Board, the BNC-2081 and the SC-206X
Series Board, via the SC-2053 Board...............................................................3-7
Figure 3-7. Normalized Frequency Response of Lowpass Filter........................................3-9
Figure 3-8. Lowpass Filter on Channel 1 ............................................................................3-10
Figure 3-9. Normalized Frequency Response of Highpass Filter .......................................3-11
Figure 3-10. Highpass Filter on Channel 1 ...........................................................................3-12
Figure 3-11. Attenuator for Use with BNC-2081 Board Inputs............................................3-13
Figure 3-12. DAC0 OUT Schematic.....................................................................................3-14
Figure 3-13. Analog Output Schematic for DACs, DAC0 OUT Shown .............................3-14
Figure 4-1. Mounting Locations for the BNC-208X Series Board and SC-207X
Series Board......................................................................................................4-3
Figure 4-2. Mounting Locations for the BNC-208X Series Board and SC-205X
Series Board or SC-206X Series Board............................................................4-3
Figure 4-3. Attaching a Mountable Board to the Chassis ...................................................4-4
Figure 4-4. Double-Height Mounting..................................................................................4-5
Figure 4-5. Connections between Data Acquisition Boards and BNC-208X
Series Boards and between SC-205X Series Boards and BNC-2080
and BNC-2081 Boards......................................................................................4-6