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1. Update Channel lower left of Test Panel and read the multimeter which will indicate the voltage that is an output of the DAQ card Next close the PCI MIO 16E4 interface and turn on the two GPIB connected Tektronix scope and set the address so it is different from any other value on the GPIB on the scope use utility options GBIP setup and address Under Devices and Interfaces choose GPIBO instruments which shows information about the scopes After getting used to the DAQ then switch to the Laboratory Projects starting on p 251 of the book Analog Electronics with LabVIEW for P1 1 choose two resistors and connect the circuit of p 252 to the DAQ board be sure the resistors are large enough that the rated current will not be exceeded as this is out of print there are copies in the lab2. curves and compare with data obtained via the Tektronix curve tracer Follow the directions in Mr Tan s guide Note that if more than one run occurs the program does not reset the base current so edit the LabVIEW program by placing an if statement in the for loop to reset to zero when the for statement starts over for this you may need to change the statement in your own copy from vs bi it bs there may also be an error in an inequality statement 6 Run a curve for one value of IB on the GPIB controlled oscilloscope and save the data again compare with the data from the LabVIEW and Tektronix curve tracers 7 Perform similar experiments with CMOS N and P channel transistors using the 4007 package Investigate the effect of substrate bias on the ID curves Be sure to have chosen an approved base paper by the end of the third period Some Other Information To learn LabView a Run the LabVIEW tutorials b Go through Getting Started with LabVIEW c Then Open VI Examples apps freqresp lib Frequency Response vi etc After time on LabView switch to the data acquisition Use the National Instruments Measurement amp Automations icon and then expand dbl click Devices and Interfaces Expand single click the PCI MIO 16E 4 icon Go to Test Panel on the upper menu bar Then select Analog Output and channel 1 Put a multimeter on pins 21 DAC1OUT see p 4 2 of PCI E Series User Manual for pin numbers and 55 AOGND Change DC Voltage
3. File courses spring2014 417 weeks_1_2S14 doc RWN 01 27 14 ENEE 417 Experiments Weeks amp 2 Weeks starting 01 27 14 and 02 03 14 a Obtain access to the Laboratory room AVW 1334 b File the form for and obtain a breadboard for course circuit constructions There should be five working computers with DAQ and GPIB in Room 1334 The main tasks for the first weeks are to learn device curve tracing LabVIEW automated data acquisition via the DAQ board the GPIB bus PSpice model determination and VLSI layout via MAGIC with Spice extractions 1 Learn to use the Tektronix 577 177 D1 curve tracer as there is only one of these parties of two will have to take turns Set it up and run using the Tektronix first time settings on various devices including npn 2N3904 and pnp 2N3906 BJT transistors and 4007 CMOS transistors Record and calculate key parameters such as forward and reverse betas and currents at several IB Early voltage KP VTO etc for later comparisons 2 Learn LabVIEW by working through tutorials or manuals 3 On any of the 417 Lab computers first check the data acquisition card by going through the last five steps listed in the DAQ Quick Start Guide copies are on the web and in the Lab 4 Configure the DAQ input and output terminals using conventional DAQ in the NI Measurement and Automation configuration program 5 Run Mr E L Tan s curve tracing program in LabVIEW on a 2N3904 transistor save the
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