[hpsdr] Fwd: Hermes Ethernet
Henry Vredegoor
henry.vredegoor at gmail.com
Thu Aug 5 01:55:33 PDT 2010
Hi Jeremy, All,
That's for 802.3at Type 1: 12.95 Watts
For 802.3at Type 2 it seems to be 25.50 Watts.
But I think in that case you have to spend more attention to the cabling
quality and such.
73's,
Henry.
On 8/5/2010 10:44 AM, Jeremy McDermond wrote:
> On Aug 5, 2010, at 1:33 AM, Henry Vredegoor wrote:
>
>
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Hi Jeremy, All,
>>
>> That would be a pitty!
>>
>> Like Achim already said, a device only with RF-in and Ethernet-out would be very nice remote SDR indeed!
>>
> Admittedly, it would be really cool. But if Achim's right and the spec is only 13W, I wouldn't imagine that's enough to power the transmitter in Hermes. Apollo alone is a 10-15W out PA. I think you might be able to get away with it in receive-only mode though.
>
>
>> 73's,
>>
>> Henry.
>>
>>
>> On 8/5/2010 10:19 AM, Jeremy McDermond wrote:
>>
>>> On Aug 5, 2010, at 1:16 AM, Henry Vredegoor wrote:
>>>
>>>
>>>
>>>> ***** High Performance Software Defined Radio Discussion List *****
>>>>
>>>> Hi Phil,
>>>> http://en.wikipedia.org/wiki/Power_over_Ethernet
>>>> 73's
>>>>
>>>>
>>> I checked out the datasheet really quick, and it doesn't look like the Micrel chip supports the 802.3af standard.
>>>
>>>
>>>
>>> --
>>> Jeremy McDermond (NH6Z)
>>> Xenotropic Systems
>>> mcdermj at xenotropic.com
>>>
>>>
>>>
>>>
>>>
>> _______________________________________________
>> HPSDR Discussion List
>> To post msg: hpsdr at openhpsdr.org
>> Subscription help: http://lists.openhpsdr.org/listinfo.cgi/hpsdr-openhpsdr.org
>> HPSDR web page: http://openhpsdr.org
>> Archives: http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/
>>
>>
> --
> Jeremy McDermond (NH6Z)
> Xenotropic Systems
> mcdermj at xenotropic.com
>
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/attachments/20100805/886387cb/attachment-0004.htm>
More information about the Hpsdr
mailing list