Section 4: Using a Model 590 C-V Analyzer Model 4200A-SCS Prober and External Instrument Control
4-22 4200A-913-01 Rev. A December 2020
The DUT pin to which the 590 input terminal is attached (−1 to 72); if a value of less
than 1 is specified, no switch matrix connection is made; see Details
The DUT pin to which the 590 output terminal is attached (−1 to 72); if a value of
less than 1 is specified, no switch matrix connection is made; see Details
Determines if an offset correction measurement should be made:
▪ Do not make offset measurement: 0
▪ Make offset measurement: 1
The starting bias for the sweep: −20 V to +20 V; see Details
The last voltage used in the sweep: −20 V to +20 V; see Details
The voltage step size: −20 V to +20 V; see Details
The measurement frequency to use:
▪ 100 kHz: 0
▪ 1 MHz: 1
The DC bias applied before and after a sweep: −20 V to +20 V
The time that occurs on the first bias step, from the point the instrument is first
triggered until the first step time: 0.001 s to 65 s
The time between pulses with the 590 at the default bias: 0.001 s to 65 s
The time after a transition to a new bias step and before the instrument begins a
measurement: 0.001 s to 65 s
The measurement range to use in F: 2E-12, 20E-12, 200E-12, or 2E-9; see Details
Measurement model:
▪ Series model: 0
▪ Parallel model: 1
Enable or disable the analog filter, which can minimize the amount of noise that
appears in the readings; however, it increases the measurement time:
▪ Disable the filter: 0
▪ Enable the filter: 1
Selects the reading rate used to acquire the measurements: 0 to 4; see Details
Output: The measured array of capacitance values
Set to a value that is equal to or greater than the G_or_Rsize or number of voltage
steps in the sweep, or is equal to
((LastBias − FirstBias) /StepV) + 1; when this function is called from a
Clarius, this parameter is fixed at 1350
The array of bias voltages used
Set to a value that is equal to or greater than the G_or_Rsize or number of voltage
steps in the sweep, or is equal to
((LastBias − FirstBias) /StepV) + 1; when this function is called from a
Clarius, this parameter is fixed at 1350
Output:
▪ When the parallel measurement model (1) is selected, G_or_R is the
measured conductance
▪ When the series measurement model (0) is selected, this is the measured
resistance
Set to a value that is equal to or greater than the G_or_Rsize or number of voltage
steps in the sweep, or is equal to
((LastBias − FirstBias) /StepV) + 1; when this function is called from a
Clarius UTM, this parameter is fixed at 1350
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