Base width modulation — Study Resources & PYQs
Variation of transistor base width with collector-base voltage and its effect on transistor operation.
- Estimated study time: 30 minutes
Study resources
- Neso Academy - Analog Electronics: BJT - Early Effect and Breakdown (Video) — Covers punch-through (reach-through), avalanche breakdown in the collector-base junction, and the Early effect (base width modulation) in BJTs.
- arXiv - An Early Model of Transistors and Circuits (BJT Early Effect) (Article) — Technical note deriving and explaining the Early effect / base-width modulation in a BJT common-emitter configuration.
- CB Transistor Input Characteristics and Early Effect - Neso Academy (Video) — Find the 'CB Transistor (Input Characteristics & Early Effect)' video in this playlist. Base width modulation is the Early effect; reach-through is what happens when the effect is taken to its extrem…
- Bipolar Junction Transistors - Solid-state Device Theory (Article) — Explains why the emitter is heavily doped, the base thin and lightly doped, and the collector lightly doped with a wide depletion region. This is the background you need to explain punch-through (rea…
Taught in these subjects
- FUNDAMENTALS OF ELECTRONICS ENGINEERING — ECT1201 · Government College of Engineering and Technology, Jammu
- BASIC ELECTRONICS ENGG — ECT1101 · Government College of Engineering and Technology, Jammu
- FUNDAMENTALS OF ELECTRONICS ENGINEERING — ECT1201 · Government College of Engineering and Technology, Jammu