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newtoni
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re: VTT claims silicon MEMS microphone progress
newtoni   6/8/2012 11:43:09 AM
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MEMS mics are used in a large percentage of modern mobile phones and are being introduced into hearing aids. The biggest player right now is Knowles, a traditional transducer maker. Many semi companies are hot on their heels.

elctrnx_lyf
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re: VTT claims silicon MEMS microphone progress
elctrnx_lyf   5/29/2012 10:16:56 AM
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I'm not sure if the MEMS microphones are really common or not, but soon MEMS will take over many technologies and could provide much better performance at smaller size and lesser cost.

Sanjib.A
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re: VTT claims silicon MEMS microphone progress
Sanjib.A   5/28/2012 3:09:30 PM
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Just to understand how the silicon MEMS microphone technology of VTT compares itself with existing MEMS microphone options, is it possible to get some data? e.g. S/N ratio (?)dB...etc.?

Peter Clarke
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re: VTT claims silicon MEMS microphone progress
Peter Clarke   5/28/2012 2:06:08 PM
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Another way of saying the same thing is that it may be able to produce adequate performance in less area of silicon thereby making listening/direction-finding arrays lower cost to produce. But we need more detail.

agk
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re: VTT claims silicon MEMS microphone progress
agk   5/28/2012 1:50:36 PM
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Low noise means high S/N ratio. With this if it will provide the fidelity and low distortion levels at a reasonable price tag the product will become commercially successful .



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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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