Noise types in transistors: Which of the following types of noise does not occur in transistors?

Introduction / Context:
Electronic devices generate different kinds of noise based on their operating principles. Transistors in particular exhibit characteristic noise types important in amplifier design.

Given Data / Assumptions:

• We focus specifically on transistor noise sources.
• Common transistor noise types: shot noise, flicker (1/f) noise, partition noise.

Concept / Approach:

Transistors generate noise associated with random carrier movements across junctions and bias regions. Resistance noise (thermal noise) is associated with passive resistors, not active semiconductor devices like transistors.

Step-by-Step Solution:

Verification / Alternative check:

Device noise analysis confirms resistors produce Johnson noise, while transistors exhibit shot, flicker, and partition noise.

Why Other Options Are Wrong:

• Shot, flicker, and partition noise are intrinsic to transistor operation.
• Avalanche noise also appears in breakdown conditions of semiconductors.

Common Pitfalls:

• Confusing thermal noise of resistors with transistor-specific noise.

Final Answer:

Resistance noise