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9-16 Agilent E5250A User’s Guide, Edition 9
Executing Sample Programs
Vth and Capacitance Measurement Program
2. Remove the exclamation marks from program lines shown in the following
table, and enter the lines.
Subprogram Program Line
Meas_vth
! COM /Vfp_com_data/ Setup_data$[14000]
Meas_vth
"Constant Definition"
block
! Test_comm$=FNGet_vfp_comment$(Setup_data$,Setup_num)
See Note
a
.
Meas_vth
"Connect to DUT" block
! Connect_vfp(Setup_data$,Setup_num)
See Note
a
.
Meas_vth
"Connection All Open"
block
! Connect_vfp(Setup_data$,Setup_num)
See Note
b
.
Meas_c
! COM /Vfp_com_data/ Setup_data$[14000]
Meas_c
"Constant Definition"
block
! Test_comm$=FNGet_vfp_comment$(Setup_data$,Setup_num)
See Note
c
.
Meas_c
"Connect to DUT" block
! Connect_vfp(Setup_data$,Setup_num)
See Note
c
.
Meas_c
"Connection All Open"
block
! Connect_vfp(Setup_data$,Setup_num)
See Note
b
.
Set5250init
! COM /Vfp_com_data/ Setup_data$[14000]
! Adrs=Adrs5250
! CALL Load_vfp_data(Adrs,"VFP_FILE",Setup_data$)
! CALL Init_vfp_setup(Setup_data$)
See Note
d
.
a. You must replace the Setup_num parameter with number of the VFP setup memory to use
for Vth measurement.
b. You must replace the Setup_num parameter with number of the VFP setup memory that sets
"Open All" (no connection) condition.
c. You must replace the Setup_num parameter with number of the VFP setup memory to use
for C measurement.
d. In Load_vfp_data subprogram, enter your VFP data file name instead of "VFP_FILE". Your
VFP data file must contain data for at least 3 Setup Memories: for Vth measurement, C mea-
surement, and "Open All" condition.