Active antenna project (coupled patches on FR4; self-mixing effect)
Authors: Waldron, Ayoob, Purcell Abstract The design of a stable narrowband active antenna oscillator at 0.9-1.8 GHz is reported. Novel use of a MMIC RF amplifier as the active device with two coupled patch resonators is presented. The design is based on EM-simulated antenna scattering parameters and manufacturer device measurements; this technique is confirmed by measurement of physical prototypes. Frequency tuning by varying the geometry or the supply voltage is observed and quantified.
Presentations/PDFs 1. AP-S 2005 PPT 2. ACES 2005 PPT 3. AP-S 2005 PDF 4 ACES 2005 PDF
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