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MMTarng
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re: Ambiq launches nanoampere RTC chips
MMTarng   11/28/2012 12:30:33 AM
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What is your patent number? What is the temperature coefficient over the temperature range?

Sanjib.A
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re: Ambiq launches nanoampere RTC chips
Sanjib.A   3/30/2012 3:39:19 AM
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When was this product launched? Looks like these two are the first set of products launched by this company? Might be worth waiting for a while before putting this into an industrial embedded e;ectronics system?

_hm
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re: Ambiq launches nanoampere RTC chips
_hm   3/27/2012 7:27:18 AM
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Wonderful chip. As mentioned earlier, can they integrate energy harvesting device to dispense with battery and its its problems.

Scott Hanson
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re: Ambiq launches nanoampere RTC chips
Scott Hanson   3/27/2012 2:54:27 AM
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Ambiq is actually a spin-off from the University of Michigan, though you are right that low voltage circuit design is a key area of expertise and IP at Ambiq. Ambiq's IP was developed by a group of leading low power researchers over the last 8 years and is wide ranging. If you are interested in learning more about the company's technology, please visit http://ambiqmicro.com/technology. Please also feel free to send any unanswered questions to info@ambiqmicro.com. -Scott Hanson, CEO/Founder at Ambiq

eewiz
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re: Ambiq launches nanoampere RTC chips
eewiz   3/27/2012 1:13:23 AM
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If I remember correctly, this is the spinoff from UIUC group working on subthreshold circuits. Any circuit with modifications to make sure, it works in the sub threshold region can be patentable. Meets the patentability criteria on novelty and non obviousness.

Kinnar
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re: Ambiq launches nanoampere RTC chips
Kinnar   3/26/2012 7:55:42 PM
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This will put the RTCs from the list of power hungry interface's list in the embedded systems, and designers will be able to make use of it efficiently, it will also help a lot in biomedical applications of embedded systems.

agk
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re: Ambiq launches nanoampere RTC chips
agk   3/26/2012 10:15:53 AM
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These can be powered from our wrist using a wrist band electrodes. we can think of quite a new set of applications soon.

goafrit
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re: Ambiq launches nanoampere RTC chips
goafrit   3/26/2012 9:27:42 AM
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Interesting effort - 15nA. Good one

jg_
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re: Ambiq launches nanoampere RTC chips
jg_   3/26/2012 8:11:19 AM
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They seem to claim to have patented the RC oscillator, and also using a N channel MOSFET as a Power Switch ? Amazing. Underlines why Patent reform is LONG overdue. That aside, the numbers are impressive, but it seems they consider waving the patent banner, more important than telling anyone the price.

DrFPGA
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re: Ambiq launches nanoampere RTC chips
DrFPGA   3/26/2012 3:43:36 AM
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Nice set of features for only 15nA. Can be used with energy harvesting devices to create a no-power system with a good feature set.



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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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