Abstract
Fundamental-mode Pierce Oscillators in the 250-300 MHz range have been realized utilizing a unique form of a bulk-acoustic-wave (BAW) resonator. Phase noise of -100 dbc/Hz (1 KHz offset) and output power levels of +6 dbm have been demonstrated. A linear-model design was used. The circuit topology and resonator fabrication technique show great promise for creation of monolithic circuits in the 200 MHz to 2 GHz range.

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