| Abbreviation | Definition |
|---|---|
| MTT-1 | IEEE MTT-S Computer-Aided Design Technical Committee |
| MTT-1 | IEEE MTT-S Microwave Measurements Technical Committee |
| MTT-10 | IEEE MTT-S Biological Effects and Medical Applications Technical Committee |
| MTT-12 | IEEE MTT-S Microwave and Millimeter-wave Packaging and manufacturing Technical Committee |
| MTT-13 | IEEE MTT-S Microwave Ferrites and Ferroelectrics Technical Committee |
| MTT-14 | IEEE MTT-S Microwave Low-Noise Techniques Technical Committee |
| MTT-15 | IEEE MTT-S Microwave Field Theory Technical Committee |
| MTT-16 | IEEE MTT-S Microwave Systems Technical Committee |
| MTT-17 | IEEE MTT-S HF-VHF-UHF Technology Technical Committee |
| MTT-18 | IEEE MTT-S Microwave Superconductivity Technical Committee |
| MTT-19 | IEEE MTT-S Microwave Technology Business Issues Technical Committee |
| MTT-2 | IEEE MTT-S Microwave Acoustics Technical Committee |
| MTT-20 | IEEE MTT-S Wireless Communications Technical Committee |
| MTT-21 | IEEE MTT-S Radio Frequency Micro-Electro-Mechanical Systems Technical Committee |
| MTT-22 | IEEE MTT-S Signal Generation and Frequency Conversion Technical Committee |
| MTT-23 | IEEE MTT-S Radio Frequency Integerated Circuits Technical Committee |
| MTT-3 | IEEE MTT-S Microwave Photonics Technical Committee |
| MTT-4 | IEEE MTT-S Terahertz Technology and Applications Photonics Technical Committee |
| MTT-5 | IEEE MTT-S Microwave High-Power Techniques Technical Committee |
| MTT-6 | IEEE MTT-S Microwave and Milimeter-Wave Integrated Circuits Technicall Committee |