Low-Cost Microwave Power Generator for Scientific and Medical Use [Application Notes]

Using GSM RF components for noncommunications applications can be an attractive as price/performance ratio. The dual 915 MHz/60-W microwave generator, with phase and power control presented here, has the prototype production cost of under US$250 with very good performance in medical and scientific thermal and nonthermal applications. Using old instead of new generation RF components seems to be an attractive and realistic choice, as long it simplifies the PCB design and it shortens the fabrication process besides cost reduction.