CV Ramp (LCR only)
Type: cv_ramp_alt
Parameters
Parameter | Type | Default | Description |
matrix_enable | bool | true | Enable matrix configuration. |
matrix_channels | list | [] | List of matrix channels to be closed. All matrix slots can be addressed. |
bias_voltage_start | volt | required | |
bias_voltage_step | volt | required | |
bias_voltage_stop | volt | required | |
waiting_time | second | 1 s | Additional delay between ramp steps (0 ms to 3600 s ). |
bias_voltage_step_before | volt | bias_voltage_step | |
waiting_time_before | second | 100 ms | |
bias_voltage_step_after | volt | bias_voltage_step | |
waiting_time_after | second | 100 ms | |
waiting_time_start | second | 0 s | Additional delay before starting with measurement ramp. |
waiting_time_end | second | 0 s | Additional delay after final ramp down. |
lcr_soft_filter | bool | true | Apply software STD/mean<0.005 filter. |
lcr_frequency | herz | 1 kHz | Possible range from 1 Hz to 25 kHz . |
lcr_amplitude | volt | 250 mV | |
lcr_integration_time | str | medium | Possible values are: short , medium , long . |
lcr_averaging_rate | int | 1 | Possible range from 1 to 10 . |
lcr_auto_level_control | bool | true | |
lcr_open_correction_mode | str | single | Possible values are: single , multi . |
lcr_open_correction_channel | int | 0 | Possible range from 0 to 127 . |
analysis_functions | list | [] | List of applied analysis functions. Possible values are: cv , mos , capacitor . See also Analysis Functions page. |
Data columns
Column | Type | Description |
timestamp | second | Time offset in seconds. |
voltage_lcr | volt | Voltage assigned to V source. |
current_lcr | ampere | Current reading of V source. |
capacitance | farad | First value of Cp reading of LCR. |
capacitance2 | float | Second value of Cp reading of LCR. |
resistance | ohm | Resistance reading of LCR. |
temperature_box | degC | Box temperature in degree Celcius. |
temperature_chuck | degC | Chuck temperature in degree Celcius. |
humidity_box | percent | Relative box humidity in percent. |
Example configuration
- id: cv_alt_example
name: CV Alternate Example
type: cv_ramp_alt
enabled: true
description: An example measurement.
parameters:
matrix_channels: [1A01, 1B02, 2H11, 2G12]
bias_voltage_start: -5 V
bias_voltage_stop: 10 V
bias_voltage_step: 0.1 V
waiting_time: 100 ms
lcr_soft_filter: true
lcr_frequency: 10 kHz
lcr_amplitude: 250 mV
lcr_integration_time: medium
lcr_averaging_rate: 1
lcr_auto_level_control: true
lcr_open_correction_mode: multi
lcr_open_correction_channel: 8
analysis_functions: [cv]