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ECE · Q221

Analog Electronics

Engineering and GATE · ECE · question 221

Q221

A high gain MESFET packaged device of case-to-channel thermal resistance of the device is 4.5°C/Watt provides 8W RF output power taking 20W DC power. What will be the channel temperature of the device if the case temperature of the device maintained at 55°C?

A.
109°C
Answer
B.
145°C
C.
59.5°C
D.
91°C

Answer: Option A

Solution

Answer: Option A
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