[hpsdr] Advice on completing system

Bob Cowdery bob at bobcowdery.plus.com
Tue Nov 25 11:39:49 PST 2014


Pete,
Thanks I will check mine over. I think it was a pretty early one.

Bob

On 24/11/2014 20:42, n3evl wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> Bob,
>
> There were issues with the final RF transformer orientation with the
> initial assembled Penelope boards - I had to reverse mine to get the
> right output level.  So be careful with this component.  I think there
> are images somewhere that show the correct orientation of the device.
>
> I replaced my LPU with a PICO PSU and have had no problems driving a
> pretty full Atlas buss.  I got the one that supports a range of input
> voltages so I can supply it with 13.8V from a conventional PSU.  See:
>
> <
> http://www.mini-box.com/PicoPSU-120-WI-25-12-25V-DC-DC-ATX-power-supply >
>
> Pete, N3EVL
>
>
>
>
>
> On 11/24/2014 2:47 PM, Bob Cowdery wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Hi,
>>
>> I've been running Metis, Mercury and Pennylope up to now just sitting on
>> a frame with a PC power supply.
>>
>> I have as kits:
>> Alex RX and TX boards
>> Alex enclosure
>> PennyWhistle
>> Pandora enclosure
>> LPU
>>
>> I can't believe how long these have been sitting on a shelf. Some bought
>> in 2009 and the rest in 2011.
>>
>> I've downloaded all the relevant PDF's and really need to know if these
>> are sufficient or is there anything else I need to know or be aware of.
>>
>> I'm guessing I should skip the LPU as it probably won't drive the
>> completed system. I also bought about the same time a Pico PSU which
>> although tiny I believe will be adequate?
>>
>> I know that Pennylope was superseded by Pennylane. Are there any gotchas
>> with Pennylope?
>>
>> Anything to watch with the enclosures and hooking it all up?
>>
>> Thanks for any advice.
>>
>> 73 Bob G3UKB
>>
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