1. Lecture 13: Series resistance, channel
length and width, and threshold voltage
4.5 Bipolar Junction Transistors
Bell Labs Bardeen and Brattain Ge point-contact transistor
Bell Labs Shockley’s classic paper on junction diode and transistors
Bell Labs the first junction bipolar transistor

2. 2 types : n-p-n or p-n-p

4. Common-base
Current gain
Emitter injection
efficiency
Common-emitter
Current gain

7. 4.5.1 Emitter Resistance

8. 4.5.2 Collector Resistance
(1) E C
(2)

9. 4.5.3 Base Resistance