LabVIEW virtual instruments for the UT-Tyler semiconductor curve tracers are available in compressed form in a .zip archive. The archive includes the following virtual instruments which have been developed with LabVIEW 5.1:
Virtual
Instrument Display
· BB_CBP_V25.vi IC vs. VCB for common-base connected small-signal PNP transistors
· BB_D_V25.vi ID vs. VD for junction diodes
· BB_NJFET_V25.vi ID vs. VDS for small-signal n-channel junction field-effect transistors
· BB_NMOS_V25.vi ID vs. VDS for low-power n-channel enhancement-mode MOSFETs
· BB_QNPN_V25.vi IC vs. VCE for common-emitter connected small-signal NPN transistors
· BB_QPNP_V25.vi IC vs. VCE for common-emitter connected small-signal PNP transistors
The following virtual instruments are sub-VIs used in the curve tracers above. They are included in the archive.
· PS_INIT.vi Virtual instrument for initialization of the HP E3631A power supply
· XY CHART BUFFER.vi Virtual instrument for creating an x-y display.
Download the archive and extract its contents. The extraction process will create a folder named “curve tracers lv5.” Move the folder and its contents to the LabVIEW directory (typically C:\Program Files\National Instrument\LabVIEW).
These virtual instruments use the following
GPIB-based test equipment with the listed GPIB addresses. The
Equipment GPIB
address
HP 34401A Digital Multimeter 4
HP E3631A Triple-Output DC Power Supply 5
Schematics of the test circuits are available in .pdf format.