Lecture19-BJT Ebers-MollModel

# Lecture19-BJT Ebers-MollModel - Lecture 19 Bipolar Junction...

This preview shows pages 1–4. Sign up to view the full content.

ECE 3040 - Dr. Alan Doolittle Georgia Tech Lecture 19 Bipolar Junction Transistors (BJT): Part 3 Ebers Moll Large Signal BJT Model, Using CVD model to solve for DC bias point Reading: Pierret 11.1

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
ECE 3040 - Dr. Alan Doolittle Georgia Tech Bipolar Junction Transistor (BJT) Quantitative Solution Insight into transistor performance If L B >>W (most of the minority carriers make it across the base), DC DC B E E E B B E E B B E DC DC DC E E B B E B E E B B E DC WN D N L D L W N L D WN D and N L D WN D L W N L D WN D α β = + = + = + + + = 1 2 1 1 1 1 1 2 1 1 1 2 2
Georgia Tech = = 1 1 1 1 0 0 T CB T EB T CB T EB V V R V V C V V V V F E e I e A I e A e I I + = + = 1 sinh cosh 1 sinh 1 1 sinh 1 1 sinh cosh T CB T EB T CB T EB V V B B B Bo B Co C C V V B B Bo B C V V B B Bo B V V B B B Bo B Eo E E E e L W L W L p D n L D qA e L W L p D qA I e L W L p D qA e L W L W L p D n L D qA I I F0 I R0 A A * Development of the Large Signal Model of a BJT (Ebers-Moll Model)

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## Lecture19-BJT Ebers-MollModel - Lecture 19 Bipolar Junction...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online