Gain Calculations Eq. 5.157 Eq. 5.271 Eq. 5.321 Outline • Derive Voltage Gain for – Common-emitter amplifier – Common-base amplifier – Common -collector amplifier • Pre-requisite – Terminal resistance.

Transcript Gain Calculations Eq. 5.157 Eq. 5.271 Eq. 5.321 Outline • Derive Voltage Gain for – Common-emitter amplifier – Common-base amplifier – Common -collector amplifier • Pre-requisite – Terminal resistance.

Gain Calculations Eq. 5.157

Eq. 5.271

Eq. 5.321

Outline • • Derive Voltage Gain for – – – Common-emitter amplifier Common-base amplifier Common -collector amplifier Pre-requisite – Terminal resistance calculation from the last lecture

Formula to Memorize

NPN to NMOS

Previously Derived Formulas

BJT & MOS Transistor [Chapter 4,5] [Chapter 6,7]

Analogous Devices • • Terminals – – – “C”↔”D” “E” ↔”S” “B” ↔”G” Analogous Devices – – NPN ↔NMOS PNP ↔PMOS

Equivalent Circuit

Small Signal Model Observations: 1. Both Q1 and Q2 are represented by the SAME small signal circuit.

2. To find the output resistance, find the terminal resistance by applying a test voltage.

Three Derivations Eq. 5.162

Eq. 5.198

Eq. 5.291

Gain Calculations Eq. 5.157 Eq. 5.271 Eq. 5.321 Outline • Derive Voltage Gain for – Common-emitter amplifier – Common-base amplifier – Common -collector amplifier • Pre-requisite – Terminal resistance.

Transcript Gain Calculations Eq. 5.157 Eq. 5.271 Eq. 5.321 Outline • Derive Voltage Gain for – Common-emitter amplifier – Common-base amplifier – Common -collector amplifier • Pre-requisite – Terminal resistance.

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