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A 60 GHz phased array for $10

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Re: A 60 GHz phased array for $10

#61
post #32

Earlier quoted context omitted.

The founders obviously wanted to exit

everyone wants to exit, the only question is how many zeroes it'll take for you to admit it. If I offered you a billion dollars for 100% of your startup today, would you really actually not exit? what's the old saw? "now we're just haggling over the price"... https://quoteinvestigator.com/2012/03/07/haggling/

And in the end all those big companies become banks.

Re: A 60 GHz phased array for $10

#62
post #15

>Now the bad news: SiBeam was bought by Lattice Semiconductor, and right before I gave this talk, Lattice shut down the entire SiBeam organization and ended support and production of this part. I didn’t find out about this until months later, when I contacted the sales engineers I had been talking to about this part and they told me what happened. This is one thing that really pisses me off. Time and time again you'v…

Value to the end customer does not equate to value to the big company though. It could be that the products that were shut down were barely turning a profit.

Re: A 60 GHz phased array for $10

#63
post #15

>Now the bad news: SiBeam was bought by Lattice Semiconductor, and right before I gave this talk, Lattice shut down the entire SiBeam organization and ended support and production of this part. I didn’t find out about this until months later, when I contacted the sales engineers I had been talking to about this part and they told me what happened. This is one thing that really pisses me off. Time and time again you'v…

I agree, but it isn't surprising that this part of the company was shut down. The article says the chip was designed to implement a protocol that ended up going nowhere (Wireless HD). Lattice was probably interested in the tech and patent portfolio more than the actual product, even though it was an impressive chip that doesn't mean it was profitable.

Re: A 60 GHz phased array for $10

#64
post #21

Earlier quoted context omitted.

> How can it be that these companies can afford to buy companies at a premium, throw away massive parts of the value of the company It's almost like the lack of robust anti-trust prosecution by world governments have so enriched large, rent-seeking companies that they can literally afford to burn money and still come out ahead...

On the other hand, preventing acquisitions reduces available exits and might discourage future innovation (which in turn might promote more trusts).

I can't believe this is getting downvoted. It's the equivalent of sticking your head in the sand and hoping that if you can't see a bad thing then that bad thing doesn't exist. This is a clear case of incentive design and too strong of an arm in preventing acquisitions can come back to bite you. Don't pretend this isn't the case, acknowledge it and factor it into your beliefs around optimal anti-trust law.

Re: A 60 GHz phased array for $10

#65
post #56

Earlier quoted context omitted.

Agressively tax large organisations. There'd be a cost to that, but as this comment chain is discussing, there's also a cost to leaving them with the money and allowing them to use it to stifle innovation.

Aggressive taxation is a prisoner's dilemma involving every government in the world. Good luck solving that problem. (Honestly, I wish good luck to anyone trying to solve it. Corporate tax is fucked .)

There are massive cash reserves that Google and IIRC Amazon have that are on the books let alone in off shore bank accounts. There is room for better tax policy here for sure.

What should be more surprising though is how e.g. Google has ties to USG (through Schmidt) but can still escape harsher taxation. At the same time – maybe that's why they can escape harsher taxation... because USG benefits by other means.

Re: A 60 GHz phased array for $10

#66
post #64

Earlier quoted context omitted.

On the other hand, preventing acquisitions reduces available exits and might discourage future innovation (which in turn might promote more trusts).

I can't believe this is getting downvoted. It's the equivalent of sticking your head in the sand and hoping that if you can't see a bad thing then that bad thing doesn't exist. This is a clear case of incentive design and too strong of an arm in preventing acquisitions can come back to bite you. Don't pretend this isn't the case, acknowledge it and factor it into your beliefs around optimal anti-trust law.

That there exists a strictness of anti-trust law / prosection which is harmful does not opine on whether or not stricter anti-trust law would be harmful or beneficial.

So a bit of a red herring.

Re: A 60 GHz phased array for $10

#67
> What would be really cool is to build a USB board that plugs into one of the SB9210 boards and connects to gnuradio. You could do all kinds of neat radar experiments, presence detection, beam forming, you name it. Kind of like a 60 GHz RTL-SDR.

Maybe a dumb question, but how is it even possible to do SDR with 60GHz signal on a ~4GHz CPU via a 5Gbps USB3 connection?

EDIT: I guess via down-conversion? https://en.wikipedia.org/wiki/Digital_down_converter

Re: A 60 GHz phased array for $10

#68
post #60

Earlier quoted context omitted.

Agressively tax large organisations. There'd be a cost to that, but as this comment chain is discussing, there's also a cost to leaving them with the money and allowing them to use it to stifle innovation.

I would instead move toward "aggressively tax passive investment above some limit." The issue isn't large amounts of money. The issue is large amounts of idle money.

Is passive investment really idle? If you give it to a bank, they turn it into loans. If you invest in stocks, you're driving up the value of the shares so the company can sell at a premium to innovate. If you invest in corporate bonds, you're giving cash to companies to innovate (or at least helping increase the value of loans, which decreases future interest rates, encouraging innovation).

The only way to make your money useless is to hold cash since it's designed to decrease in value over time. Pretty much everything else is promoting some kind of innovation/growth.

Re: A 60 GHz phased array for $10

#69
post #6

I love how industry came up with ever crazier schemes to stream content from phones and laptops to TVs. There must have been three different attempts involving WiFi alone, but this phased array mmWave 60 GHz million bucks basic research abomination surely takes the cake. Meanwhile, some Google engineer realized you could solve 90% of phone-to-TV streaming applications and 100% of the hard technical problems by just t…

And now it's easy to tell my TV to play a Youtube video via my phone instead of just using the remote, but a magnificent pain in the ass / impossible to share my screen to my TV or stream an actual video file directly. Pretty lame outcome.

Re: A 60 GHz phased array for $10

#70
post #58

Earlier quoted context omitted.

Have any further reading I can do on this?

not really phased array, but https://en.wikipedia.org/wiki/Lytro

The light field conceptually belongs to geometric optics. It doesn't involve phase or the wave theory at all. It would be either an input to or output from a phased array.

Phased arrays admittedly use the wave theory in a way which is geometrically simple. Maybe "far field" is the way to describe it.

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