Fig. 1. Circuit schematics of the voltage controlled oscillator with LC
Fig. 2. The internal equivalent circuit of the InGap/GaAs heterojunction
Fig. 3. The simulation results for the voltage controlled oscillator using the
Fig. 4. Harmonic suppression characteristics above 27 dBc for the
Fig. 5. Output power characteristics of 5.59 dBm for the fabricated voltage
Fig. 6. The characteristics of phase noise versus offset frequencies of the fabricated voltage controlled oscillator MMIC
Fig. 7. Tuning frequency and output power versus tuning voltage of the
Fig. 8. The fabricated voltage controlled oscillator MMIC with the size of 500
Table 1. Electrical performances of the proposed voltage controlledoscillator MMIC
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