How to Calculate VCE of a Transistor



VCE, the voltage that falls across the collector-emitter junction of a bipolar junction transistor, is a crucial voltage to DC analysis of a transistor circuit because it is the voltage that determines the load line and Q-point of a transistor.


VCE is calculated by the formula below:


Vce formula

Example

Vce of a transistor circuit

In order to calculate VCE, we must first calculate IEQ:


How to calculate Ieq of a Transistor

Vbb of a Transistor

Rb of a Transistor

Ieq of a Transistor

Now that we have IEQ, we can solve for VCE:

example of calculating solving vceq

Related Resources

What is Open Collector Output?



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