9. Applications in High-Frequency Devices
High-frequency electronics are crucial for modern communication systems, utilizing compound semiconductors like GaAs and GaN for their superior properties. These materials excel in applications requiring high frequency, such as 5G networks and satellite communications, due to advantages like high electron mobility and breakdown voltages. The chapter outlines various high-frequency devices, their applications, and the challenges faced in their integration within existing technology frameworks.
Sections
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What we have learnt
- Compound semiconductors are superior to silicon in high-frequency applications.
- High-frequency devices include MESFETs, HEMTs, and HBTs, utilized across various communication technologies.
- Key challenges include thermal management and the need for advanced packaging to reduce parasitics.
Key Concepts
- -- Compound Semiconductors
- Materials like GaAs and GaN that exhibit superior electronic properties for high-frequency applications.
- -- MESFET
- A type of transistor that operates at high frequencies, commonly used in amplifiers.
- -- HEMT
- High Electron Mobility Transistor, capable of operating at frequencies exceeding 150 GHz.
- -- MMIC
- Monolithic Microwave Integrated Circuit, which integrates microwave components into a single chip.
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