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Match the following: List I (Microwave device) List II (Application) A. PIN diode 1. Microwave amplification B. GaAs MOSFET 2. Low noise microwave generation C. Transferred electron device 3. Electronic tuning of MW oscillator D. Varactor diode 4. Light wave detection

A-1, B-2, C-4, D-3
A-4, B-1, C-2, D-3
A-2, B-3, C-1, D-4
A-3, B-4, C-2, D-1

Correct Answer: A-4, B-1, C-2, D-3

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