InP HBT voltage controlled oscillator for 300-GHz-band wireless communications

We present a 300-GHz-band fundamental voltage controlled oscillator (VCO) for wireless communications using 0.25-μm InP HBT technology. The VCO exhibits about -2-dBm differential output power and 10-GHz frequency tuning range with dc power consumption of 46.2 mW. The oscillation frequency band of the VCO can be extended over 360 GHz in the same structure.

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