Table of Contents
Understanding the cutoff and saturation voltages of tranzistors i s essentiad for designing effecentant switingg circits. These parameters determine whern a transistor switches between its on and of f states, afecting struccit performante and power consumption.
Átmeneti Cutoff Voltage
A Cutoff voltage i the minimum base- to- emittter voltage (V) 1; FLT: 0 '3; d.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.@@
To determine the cutoff voltage, check the transasteer 's datasheet for the specified id V' 1d; 1d; FLT: 0 '3d; BE' 1d; FLT: 1 '3d; Whn the base voltage drops below this value, the transiteur enters cutofmode.
Átmeneti Saturation Voltage
A következő képlet a következő:
To find V '1; 1; FLT: 0' 3; '3; CE (sat)') '1;' 1; FLT: 1 '3;' 3; ', consult the datasheet for the typical saturation voltage a given concentor. Ensuring the transistor operates in saturation requires providing' s providint base 't, usually a fractioon of the' thor 't.
Calculating Volges in Circuits
Számítások, beleértve a Kirchhoff 's law s and transistor parameters. For example, to ensure saturation, the base commercations (I) 1d; FLT: 0) 3d; B) 1d; FLT: 1 d.m.m.m.m.m.m.m.m.m.m.m...
- I '1; 1; FLT: 0' 3; B '1; FLT: 1' 3; B '1; 1d'; ≥ I '1d; FLT: 2' 3d; FLT: 2 '3d; C' 1d '1d; FLT: 3' 3d; / h '1d; FLT: 4' 3d; FE '1d; 1d' FLT: 5 '3d;
Where h '1; 1; FLT: 0' 3; '3; FE' 1; FLT: 1 '3; I' the 'membret gain. To determine cutoff, verify that the base voltage i s below the machold, preventing base base' flow.