A W-band Frequency Source with Low Spurs and Low Phase Noise |
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| Authors: | Yonghong Zhang Xiaohong Tang Yong Fan and Zhengde Wu |
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| Institution: | (1) School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, 610054, People’s Republic of China |
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| Abstract: | A W-band millimeter wave frequency source is developed by frequency multiplier chain and injection locking. The referenced
crystal oscillator (CO) signal 120 MHz is multiplied 400 times to output 48 GHz signal. Then, it is used as a referenced source
of fundamental-wave injection-locked harmonic Gunn oscillator with output power more than 10 mW at 96 GHz and spurious output
less than −65 dBc. The measured phase noise is −97 and −105 dBc/Hz at 10 kHz and 200 kHz offset, respectively. At last, the
influence of the flicker noise, provided by the frequency multipliers and amplifiers, is analyzed. |
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| Keywords: | Phase noise Frequency multiplier Injection locking Millimeter wave Source Flicker noise |
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