Syscomp CTR-201, Руководство пользователя

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Menu Bar: Tools
Calibration Provides access to the calibration facility of the curve tracer. You will need multiple digital volt-
meters and ammeters to complete this process. Extreme caution is required.
Menu Bar: Data
Save, load and clear reference trace. This allows saving and displaying a trace for comparison purposes.
Menu Bar: Hardware
Connect Provides access to the routine for connecting to a USB port on the host computer.
Pulsed VI Measurements When enabled, the measurements include a ’cooling’ period between each measure-
ment to minimize dissipation in the device under test.
Menu Bar: Help
Manual Accesses this document.
Change Log Accesses the software changes with this version of the software.
About States the version number of the software.
Firmware Upgrade The firmware is the code installed in the hardware unit. It is not the computer code that runs
on the host computer. Forces an upgrade to the firmware. Do not access this unless a firmware upgrade is
essential. An internet connection is required of the host computer.
Check for firmware upgrades on startup Recommended to leave this enabled. To upgrade the firmware, an
internet connection is required of the host computer.
Device Status
Temperature Shows the internal temperature of the instrument.
USB Voltage Displays the voltage supplied by the USB connection. Should be around 5 volts.
Input Voltage When taking a measurement, shows the supply voltage from the AC adaptor. Should be around
48 volts.
Device Safety
These controls allow the operator to set the current limit or the power limit for the device under measurement. If
the instrument tries to exceed this value, it stops measurement and post a warning message.
Current Range
Allows selection of the current measurement range. There are four settings: Auto, 1 amp, 30mA, 1mA. If you
select Auto, the instrument will try to select the optimal measurement range. There will be seen a small glitch in
the trace when switching between ranges. Also, Auto can fail under certain situations, in which case a manually
selected range is necessary.
Select Device
Allows selection of the type of device under measurement. These selections can be used for other purposes as
well. For example, the N-Channel JFET setting has also been used for measuring MESFETs and Russian Vacuum
tubes.
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