Harvesting RF Power

See also:

• https://docs.google.com/drawings/d/1yB5ZPswJjaCDEYcK_CJNdQ5iaU67y_uARa1C9bV-ulc/edit An idea for an RF harvesting business card PCB
• http://www.jpier.org/PIER/pier132/03.12072002.pdf Design of an RF power harvesting system targeting GSM 900 Mhz cell towers.
• https://sensor.cs.washington.edu/pubs/wisnet_ambient_rf_energy.pdf Two methods for harvesting RF energy are compared and results given for a metropolitan area (Seattle). The Seiko S-882Z chip greatly simplifies design and improves performance. It also powers on and off the load cleanly.