1. © Bob York Common Emitter Amps V gen R gen V cc V out RcRc V gen R in R gen v in ∞ ∞ R b1 R b2 V in V cc V out RcRc ∞ ∞ R b1 R b2 RLRL R out RLRL V in R in v in β i b R out V out β i b

2. © Bob York Lab Circuits V out R b1 V in 2.2 kΩ 10 kΩ 1 μF +10 V 10 μF1kΩ V gen 10 kΩ 100 Ω

3. © Bob York Common Emitter Amplifier V gen R gen V cc V out RcRc ∞ ∞ R b1 R b2 RLRL ∞ ReRe

4. © Bob York Common Base Amplifier BC E B v be C E V in V out ∞ ∞ ∞ IeIe V cc RcRc V in v in RdRd V out β i b rere rere rere

5. © Bob York Common-Base Amplifier V gen R gen V cc V out RcRc ∞ ∞ R b1 R b2 RLRL ReRe ∞ V gen R in R gen v in g m v in R out RLRL

6. © Bob York Lab experiment V out V in 100 kΩ 100 Ω 1 μF 100 kΩ V gen 10 Ω 1 kΩ RcRc +12 V

7. © Bob York Multistage Amplifier V in 4.7 kΩ 47 kΩ 1 μF +15 V 100 μF 3.3 kΩ V gen 10 kΩ 10 Ω V out 2.2 kΩ 1 μF +15 V 100 μF 3.3 kΩ VaVa 100 kΩ

8. © Bob York HW V in 4.7 kΩ 47 kΩ +15 V 3.3 kΩ V out 2.2 kΩ +15 V 3.3 kΩ VaVa 100 kΩ ∞ ∞ ∞ ∞

9. © Bob York Emitter Follower V gen R gen V cc V out RcRc ∞ ∞ R b1 R b2 RLRL ReRe

10. © Bob York CE Resistive Feedback V cc V out RcRc ∞ ∞ RfRf V in V cc V out IcIc ∞ ∞ RfRf V in RLRL V gen R gen g m v be RLRL V in RfRf v be g m v be R out V out RfRf v be