Device | Frequency |
---|---|
Triode vacuum tube | ~1 GHz |
Bipolar transistor (BJT) | ~20 GHz |
Heterojunction bipolar transistor (HBT) | ~50 GHz |
Metal–semiconductor field-effect transistor (MESFET) | ~100 GHz |
Gunn diode, fundamental mode | ~100 GHz |
Magnetron tube | ~100 GHz |
High electron mobility transistor (HEMT) | ~200 GHz |
Klystron tube | ~200 GHz |
Gunn diode, harmonic mode | ~200 GHz |
IMPATT diode | ~300 GHz |
Gyrotron tube | ~600 GHz |
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