Semiconductor Negative Capacitance Fet Voltage Amplification Calculator
Local explicit positive/negative series differential-capacitance gain under positive-total-stiffness branch, no global ferroelectric stability/hysteresis or circuit operating certification.
Description
A negative differential capacitance branch can amplify local voltage in a series-capacitance model.
A negative differential capacitance branch can amplify local voltage in a series-capacitance model.1
Positive total series stiffness is a local condition and does not establish global ferroelectric stability or absence of hysteresis.
When to use Semiconductor Negative Capacitance Fet Voltage Amplification Calculator
Use this tool when you need to calculate the stated measurement summary or conditional model from matched observations. Prepare independently matched device or specimen measurements, units, branch selection, and model or calibration conventions.
How to use Semiconductor Negative Capacitance Fet Voltage Amplification Calculator and understand its results
- Prepare independently matched device or specimen measurements, units, branch selection, and model or calibration conventions.
- Enter callerPositiveSeriesCapacitanceFarads, callerNegativeDifferentialCapacitanceFarads, following the field table and calculation rules below, then run the tool.
- Read idealLocalNcVoltageAmplification, positiveTotalSeriesCapacitanceFarads. Use the output table and calculation rules below to interpret units, signs, crossings, and flags.
- Correct any input issues and run again. Before using a successful result, review its units, signs, evidence coverage, and stated model or reference assumptions.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| callerPositiveSeriesCapacitanceFarads | Caller positive series capacitance farads | number | Required |
| callerNegativeDifferentialCapacitanceFarads | Caller negative differential capacitance farads | number | Required |
Require Cpositive>0 and Cnegative<−Cpositive. Divide the negative capacitance by the signed sum to obtain gain, then multiply that gain by positive capacitance for the total series capacitance.
gain=Cnegative/(Cnegative+Cpositive); Cseries=gain×Cpositive Read these symbols with the field meanings and branch or reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| idealLocalNcVoltageAmplification | Ideal local nc voltage amplification | number |
| positiveTotalSeriesCapacitanceFarads | Positive total series capacitance farads | number |
{
"input": {
"callerPositiveSeriesCapacitanceFarads": 1,
"callerNegativeDifferentialCapacitanceFarads": -2
},
"output": {
"idealLocalNcVoltageAmplification": 2,
"positiveTotalSeriesCapacitanceFarads": 2
}
}Limitations and assumptions
Measurements, branch identification, units, and model applicability must be independently established. Results do not supply universal material constants, a complete physical model, or operating-condition approval.
Missing required fields, unknown fields, wrong types, and violated calculation rules return input issues. Numeric values must be finite; nonfinite numeric outputs are rejected.
Alternative or Complementary methods
For a related task, use Semiconductor Ferroelectric Fet Subthreshold Swing Below 60 Calculator: Subthreshold swing describes gate-voltage change per decade of measured drain current. A supplied reference defines the comparison, and the tool name does not fix a 60 mV-per-decade threshold. For a complementary step, use Semiconductor HEMT Threshold Voltage Calculator: A HEMT sheet-charge threshold budget combines band alignment with barrier capacitance per area. Signed charge and alignment conventions must be independently matched to the heterostructure model.
References
Similar or alternative tools
- Semiconductor Ferroelectric Fet Subthreshold Swing Below 60 Calculator
Subthreshold swing describes gate-voltage change per decade of measured drain current. A supplied reference defines the comparison, and the tool name does not fix a 60 mV-per-decade threshold.
- Semiconductor HEMT Threshold Voltage Calculator
A HEMT sheet-charge threshold budget combines band alignment with barrier capacitance per area. Signed charge and alignment conventions must be independently matched to the heterostructure model.