Abstract
This paper presents monolithic microwave integrated circuit (MMIC) resonant tunneling diode (RTD) oscillator with high performance: high power at high frequencies. The circuit topology employs two In0.53Ga0.47As/AlAs RTDs in parallel and each device is biased individually. These oscillators operate at 125GHz, 156GHz and 166 GHz with output power 0.34 mW, 0.24 mW and 0.17 mW respectively. These are highest power reported for RTD oscillators in D-band (110 GHz-170 GHz) frequency range. The phase noise of the RTD oscillators was characterized and is reported. This work demonstrates the circuit-based RTD oscillator design approach to increase the output power of RTD oscillators at millimeter-waves.
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