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Sanjib.A
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Re: Microstimulators
Sanjib.A   5/20/2014 10:27:33 PM
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"...To keep the implants small, many microstimulators will have no battery."

If there are no batteries being used for the microstimulator, how is the microstimulator charged? Is it a super-capacitor that is used on the microstimulator instead of a battery which gets charged through the living tissue when the "credit card sizex" charger is placed on the skin?

 

Les_Slater
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Power and information transfer
Les_Slater   5/20/2014 7:59:49 PM
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Delivering power and commands to an embedded nano blood biochemical analysis 'lab', and then receiving results would be an extremely important advance in diagnostic and preventive medicine. Using the technology for drug delivery and, or, various stimuli would likewise be extremely important.

John Ho
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Re: Microstimulators
John Ho   5/20/2014 1:54:55 PM
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That's correct, pacemakers consume 8 microwatts of power, not milliwatts. 

Sheetal.Pandey
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Re: How direction is maintained?
Sheetal.Pandey   5/20/2014 1:33:18 PM
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How the power gets generated? Dont know how safe it would be.

prabhakar_deosthali
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How direction is maintained?
prabhakar_deosthali   5/20/2014 7:26:06 AM
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I am just curious to know how the power trasnmission is  made directional , to reach the implant and not go any other way.

Or is it that the power gets transmistted over a circular area ?

rick merritt
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Re: Microstimulators
rick merritt   5/19/2014 9:08:16 PM
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@Zeeglen: Yes, both measurements should be in microwatts.

zeeglen
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Re: Microstimulators
zeeglen   5/19/2014 8:53:47 PM
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The more than 200 microwatts the technique delivers far exceeds the 8 mW consumed by today's pacemakers.

Sounds good.  In the above statement 200 microwatts is less than 8 milliwatts (mW).  Maybe the pacemakers consume 8 microwatts (uW)?

rick merritt
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Microstimulators
rick merritt   5/19/2014 5:26:18 PM
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I'd love to hear insights about the outlook for this concept of microstimulators and electro-ceuticals.

_hm
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Magnum Opus
_hm   5/19/2014 5:20:28 PM
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Kudos to Poon for her brave Magnum Opus.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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