IV Ramp with Electrometer

IV ramp using HV Source and Electrometer for measurements.

Type: iv_ramp_elm

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.
`voltage_start`	`volt`	required	Start voltage for HV Source ramp. (`-1 kV` to `1 kV`).
`voltage_stop`	`volt`	required	End voltage for HV Source ramp. (`-1 kV` to `1 kV`).
`voltage_step`	`volt`	required	Step voltage for HV Source ramp (`1 mV` to `100 V`).
`waiting_time`	`second`	`1 s`	Additional delay between ramp steps (`0 ms` to `3600 s`).
`voltage_step_before`	`volt`	`voltage_step`
`waiting_time_before`	`second`	`100 ms`
`voltage_step_after`	`volt`	`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.
`hvsrc_current_compliance`	`ampere`	required	HV Source current compliance (`1 nA` to `1 mA`).
`hvsrc_accept_compliance`	`bool`	`false`	Stop measurement gracefully if HV Source compliance tripped.
`hvsrc_sense_mode`	`str`	`local`	HV Source sense mode. Possible values are: `local`, `remote`.
`hvsrc_route_terminal`	`str`	`rear`	HV Source route terminal. Possible values are: `front`, `rear`.
`hvsrc_filter_enable`	`bool`	`false`	Enable HV Source filter.
`hvsrc_filter_count`	`int`	`10`	HV Source filter count (`1` to `100`).
`hvsrc_filter_type`	`str`	`repeat`	Type of applied HV Source filter. Possible values are: `moving`, `repeat`.
`hvsrc_source_voltage_autorange_enable`	`bool`	`true`	Enable source voltage auto range.
`hvsrc_source_voltage_range`	`volt`	`20 V`	Set source voltage range. (`-1 kV` to `1 kV`).
`elm_filter_enable`	`bool`	`false`	Enable Electrometer filter.
`elm_filter_count`	`int`	`10`	Electrometer filter count (`1` to `100`).
`elm_filter_type`	`str`	`repeat`	Type of applied Electrometer filter. Possible values are: `moving`, `repeat`.
`elm_current_range`	`ampere`	`20 pA`	Current range for measurements.
`elm_current_autorange_enable`	`bool`	`False`	Enable current auto range.
`elm_current_autorange_minimum`	`ampere`	`20 pA`	Lower current limit for auto range.
`elm_current_autorange_maximum`	`ampere`	`20 mA`	Upper current limit for auto range.
`elm_zero_correction`	`bool`	`false`	Perform Electrometer zero correction.
`elm_integration_rate`	`int`	`50`	Electrometer integration rate (`50` or `60`).
`elm_read_timeout`	`second`	`60 s`	Timeout for read operation.
`analysis_functions`	`list`	`[]`	List of applied analysis functions. Possible values are: `iv`, `gcd`, `fet`, `contact`, `meander`, `breakdown`. See also Analysis Functions page.

Data columns

Column	Type	Description
`timestamp`	`second`	Time offset in seconds.
`voltage`	`volt`	Voltage assigned to HV source.
`current_hvsrc`	`ampere`	Current reading of HV source.
`current_elm`	`ampere`	Current reading of electrometer.
`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: iv_example
  name: IV Example
  type: iv_ramp_elm
  enabled: true
  description: An example measurement.
  parameters:
      matrix_channels: [1A02, 2C11]
      voltage_start: 0 V
      voltage_stop: -1000 V
      voltage_step: 10 V
      waiting_time: 1 s
      hvsrc_current_compliance: 1 uA
      hvsrc_sense_mode: local
      hvsrc_route_terminal: rear
      hvsrc_filter_enable: false
      hvsrc_filter_count: 10
      hvsrc_filter_type: repeat
      elm_filter_enable: false
      elm_filter_count: 10
      elm_filter_type: repeat
      elm_zero_correction: false
      elm_integration_rate: 50
      analysis_functions: [iv]