Author Topic: CoaXPress 2.0 Transceiver  (Read 1554 times)

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Offline ali_asadzadehTopic starter

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CoaXPress 2.0 Transceiver
« on: August 31, 2020, 10:09:17 am »
Hi,
Today I came across microchip and found about this cool Chips,
https://www.microchip.com/wwwproducts/en/EQCO31X20

Who else makes them? is there any price and datasheet available?

The Idea of sending data and power over a single cable has many use cases. >:D >:D >:D
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Online BravoV

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Re: CoaXPress 2.0 Transceiver
« Reply #1 on: August 31, 2020, 10:16:42 am »
... is there any price and datasheet available?

Try learn to read carefully ... "Status: Future Product" ...

Offline ali_asadzadehTopic starter

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Re: CoaXPress 2.0 Transceiver
« Reply #2 on: September 02, 2020, 06:18:40 am »
I have found older parts from microchip, Like EQCO30R5.D and EQCO30T5.D, they are 4$ in Digikey and have datasheets.

I wonder if instead of 24V DC power delivery, I could use 240VAC mains as a power source (or rectified 300V DC), is it possible?
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Online BravoV

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Re: CoaXPress 2.0 Transceiver
« Reply #3 on: September 02, 2020, 06:43:56 am »
I wonder if instead of 24V DC power delivery, I could use 240VAC mains as a power source (or rectified 300V DC), is it possible?

Not possible, you powering it more than 10 times the max voltage allowed. 24volt vs 300volt.  :palm:

Understand you're claiming as digital expert  ::) , suggesting to go back to learn basic electronics, where you can not supply more higher voltage than the specified max. voltage.

Offline bvwj

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Re: CoaXPress 2.0 Transceiver
« Reply #4 on: September 02, 2020, 08:03:42 pm »
Microchip is the only source.  6Gbps devices have been available for years.  It is the 12Gbps devices that are just rolling out.

The bandwidth is asymmetrical, 1-12Gbps one direction, 21-42Mbps the other.  Mostly useful for cameras.
 

Offline NiHaoMike

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Re: CoaXPress 2.0 Transceiver
« Reply #5 on: September 03, 2020, 12:31:24 am »
I wonder if instead of 24V DC power delivery, I could use 240VAC mains as a power source (or rectified 300V DC), is it possible?
The multiplexing is done by a coupling circuit so the answer is yes, if the coupling circuit is designed for it. Getting a cable that is rated for the voltage and is able to carry high frequencies well, at a reasonable cost, is another problem.

For more modest bandwidth requirements, networking over power line products are commonly available.
The bandwidth is asymmetrical, 1-12Gbps one direction, 21-42Mbps the other.  Mostly useful for cameras.
Also useful for displays, although it's more common to use Cat6A for runs too long to use HDMI.
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Offline ali_asadzadehTopic starter

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Re: CoaXPress 2.0 Transceiver
« Reply #6 on: September 03, 2020, 05:43:14 am »
Quote
For more modest bandwidth requirements, networking over power line products are commonly available
I can work with 500Mbps to 1Gbps, is there any solution?

Quote
Understand you're claiming as digital expert  ::) , suggesting to go back to learn basic electronics, where you can not supply more higher voltage than the specified max. voltage.
The data is coupled with caps into the cables, maybe there is a clever way of doing it to give it a higher voltage
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Offline OneGeekGuy

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Re: CoaXPress 2.0 Transceiver
« Reply #7 on: September 03, 2020, 06:17:26 am »
There are already several devices which allow power and data over coax, until now the data rate is slower than 12,5 Gbps, but they are on it... ::)

For example...DS90UB954 with FPDLink and MAXIM with GMSL MAX9276B. They are mainly used in Camera/Radar/Lidar applications.

BR
 

Offline ali_asadzadehTopic starter

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Re: CoaXPress 2.0 Transceiver
« Reply #8 on: September 05, 2020, 06:43:08 am »
Quote
Read the datasheet. Decoupling is achieved with MLCCs, so if the OP uses higher voltage, safety rated (say, Y caps) capacitors, I can't see why higher voltage is not possible. Just take Y cap leakage into consideration.
I think, I should give it a try >:D
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Offline NiHaoMike

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Re: CoaXPress 2.0 Transceiver
« Reply #9 on: September 05, 2020, 01:05:34 pm »
I can work with 500Mbps to 1Gbps, is there any solution?
Look up "Homeplug". It works very well for supplying network connectivity to a test cart over the same extension cord used to power it.
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