Multiple choice

Which of the following unipolars has a very high speed, is difficult to fabricate and offers good resistance to radiation?

  1. ECL

  2. GaAs

  3. TTL

  4. CMOS

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Gallium Arsenide (GaAs) is a semiconductor material known for high electron mobility, enabling very high-speed operation, though it is more difficult to manufacture than silicon-based components.