Tærskelværdien er en parameterværdi i MOSFET-operatioen, indicatinin denne minimum gatetil- source voltage need to turn the device on. Determining this voltage exacately is essentiel fr coursit design and d analysis. This guide provide 's a restractive method to o finde there thermal voltage conflications and d analysis.

Understanding Tærskelspænding

Denne therold voltage (V; 1; FLT: 0; 3; TWE; 1; FLT: 1; FIT: 3;) is the voltage at whish a MOSFET begins to to conduct current between the drain and d source. It is influenced by device fabrication, temperature, and d bias conditions. Accurat målerement ensureurs propeters propete operation with in cyclite parameters.

Forberedelse af føl Måling

Beer a power suply to applicy the gate voltage, a resistore it series with the drain to limit current, and d a voltmetr to measure the drain-source voltage. Keep the source terminal groundd.

Sted- by- Step Måling af procedure

  • Set the drain-source voltage (V; 1; FLT: 0; 3; DS- 1; FLT: 1; FLT: 3; 3;) to a smalll, constant value, such hs 0.1V.
  • Gradvis stigning i denne gatesource voltage (V; 1; FLT: 0; 3; GS- 1; FLT: 1; 1; 3;) from 0V upwards.
  • (1) (1) (2) (2) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (4) (4) (4) (4) (4) (5) (5) (5) (5) (5) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (6) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (7) (
  • Det er ikke muligt at foretage en sådan sammenligning, men det er ikke muligt at foretage en sammenligning af de to tal.
  • Det drejer sig om en række forskellige typer af produkter, der er omfattet af denne forordning.

Alternativ metode: Transfér karakteristik Plot

Plot the drain current (I; FLT: 0; FLT: 0; D; 1; FLT: 1; FLT: 3; 3;) against the gate voltage (V; 1; FLT: 2; GS; 1; FLT: 3; FLT: 3; FLT: 3; 3; FLT: 3; 3; FLT: 4; 3; S; 3; GTE: 1; 3; 3; 1; 1; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 3; 4; 4; 5; 5; 5; 5; 5; 3; 3; 5; 3; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5; 5