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SeCTIon 5
Using Substrate Bias
Series 2600
System
SourceMeter
Channel B
Node 2
Sweeps I
Figure 5-7. Program 14 test configuration
2 . Select the COMMUNICATION menu . (Skip this step if the
Series 2600 instruments used have firmware Revision 1 . 4 . 0
or later installed . )
3 . Select the TSPLINK_CFG menu . (If the Series 2600 instru-
ments used have firmware Revision 1 . 4 . 0 or later installed,
the menu name should be TSPLINK . )
4 . Select the NODE menu .
5 . Set the NODE number to 2 and press ENTER .
Master: A dual-channel instrument such as the Model 2602,
2612, or 2636 .
1 . Press the MENU key to access MAIN MENU .
2 . Select the COMMUNICATION menu . (Skip this step if
the Series 2600 instruments used have firmware Revision
1 . 4 . 0 or later installed . )
3 . Select the TSPLINK_CFG menu . (If the Series 2600
instruments used have firmware Revision 1 . 4 . 0 or later
installed, the menu name should be TSPLINK . )
4 . Select the NODE menu .
5 . Set the NODE number to 1 for the master and press
ENTER .
6 . Select the TSPLINK_CFG menu . (If the Series 2600 instru-
ments used have firmware Revision 1 . 4 . 0 or later installed,
the menu name should be TSPLINK . )
7 . Select the RESET to initialize the TSP-Link .
5 .
Turn on the computer and start Test Script Builder (TSB) .
Once the program has started, open a session by connecting
5-8
Transistor
Under Test
Output HI
I
V
B
Output LO
I
C
Test
Fixture
V
CE
Output HI
Series 2600
System
SourceMeter
Channel A
V
Node 1
Sources
Substrate Bias
Output LO
to the master instrument . For details on how to use TSB, see
the Series 2600 Reference Manual .
You can simply copy and paste the code from Appendix A in
this guide into the TSB script editing window
manually enter the code from the appendix, or import the
TSP file 'BJT_Comm_Emit_Vsb . t sp' after downloading it to
your PC .
If your computer is currently connected to the Internet, you
can click on this link to begin downloading:
keithley.com/data?asset=50928.
6 .
Install a BJT with substrate connections in appropriate tran-
sistor socket of the test fixture . The test is optimized for BJTs
with source requirements similar to a 2N3904 .
7 .
Now, we must send the code to the instrument . The simplest
method is to right-click in the open script window of TSB,
and select 'Run as TSP file' . This will compile the code and
place it in the volatile run-time memory of the instrument .
To store the program in non-volatile memory, see the "TSP
Programming Fundamentals" section of the Series 2600 Refer-
ence Manual .
8 .
Once the code has been placed in the instrument run-time
memory, we can run it at any time simply by calling the func-
tion 'BJT_Comm_Emit_Vsb()' . This can be done by typing
the text 'FET _ Comm _ Source _ Vsb()' after the active
prompt in the Instrument Console line of TSB .
9 .
In the program '
function BJT _ Comm _ Emit _ Vsb(istart,
Output HI
Series 2600
System
I
SourceMeter
Channel A
Node 1
V
Sweeps V
CE
Measures I
C
Output LO
BJT_Comm_Emit_Vsb().tsp', the
(Program
14),
http://www.
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