# Antenna Patch SRR Bluetooth Electronics Design Electrical Engineering Energy Harvesting

The metal conductor is silver nanoparticle ink jet printed onto ordinary polyester film.

The antennas will drive a circuit, about 40uA (microamps NOT MILLIAMPS), about 3.0V to 4.5V DC.

I will want you to make a .pdf file of the art for the antennas, so I can do some initial tests using ordinary cell phones.

Class 2 Bluetooth Devices emit 2.5mW, which is approximately 1 milliAmp, mA.

Design an antenna and create art to :

(1) A group of antennas to absorb all Bluetooth channels 1-79 (BLE 1-41).

(2) Four Antennas

An antenna or an array of antennas to harvest energy as the phone hops among Channels 1-15, absorbing more than the equivalent of 40 microamps minimum; and an antenna or an array of antennas to harvest energy as the phone hops among Channels 20-35, again at a minimum of 40 uA; and a third group to havest at channels 50-55, with 40uA; and a foruth group to harvest at 60-79, with 40uA.

Note that to achieve the 1.5V or the 3.0V, it may be necessary to connet 4 or 5 identical antennas together, to absorb enough energy. An array of identical antennas.

(3) Twelve Antennas

An antenna or an array of antennas to harvest energy as the phone hops among channels 1-4, absorbing more than the equivalent of 40 microamps minimum;

A second antenna channels 7-11, absorbing 40 microamps;

Third, channels 14-17, 40 microamps;

Fourth, channels 20-23, 40 uA;

Fifth, and so on.

Note that some absorbance overlap is OK and actually helps the circuit function. For example, with the antenna absorbing energy at channels 7-11, the largest amount of energy is absorbed at channels 7-11, about 40 uA; however it is OK if the same antenna also absorbs 20uA at channels 5-6 and 20uA at channels 12-13, and also absorbs 10uA at channels 3-4 and channels 14-15, and so on. Your diagrams show the absorbance overlap.

(4) 22 antennas.

Can you find equations to predict the actual voltages absorbed by the antennas for a Class 2 Bluetooth emmitter?

Once we agree on the ideas, I will want you to prepare a .pdf file for your antenna suggestions. I will print the .pdf file using silver nanoparticles on polyester film, and will evaluate the absorbance of the antennas.

Thank you for reading this post. I appreciate you! Allen.

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