[hpsdr] Fw: Re Ozy Problem

[K1rqg at aol.com]

Graham - Scotty
 
I have two OZY boards from TAPR:  
 
*TZOZ1-637*   EP2C8Q208C8N  --- Does NOT work with new code,  same results 
as others reported.
 
*TZOZ1-567*   EP2C8Q208C7N  --- Does work with new  code
 
Both worked previously.
 
73 de Joe K1RQG
 
PS: I will try a different ATLAS and different line up and report  back.
 
 
 
In a message dated 6/3/2009 9:04:50 P.M. Eastern Daylight Time,  
scotty at tonks.com writes:

*****  High Performance Software Defined Radio Discussion List *****

Hi  Bob,

We ordered all C8 parts. I seem to remember that we had trouble  
getting all of them form one supplier, so it is possible that some C7  
parts were substituted.

This was 2 years ago, and I have trouble  remembering what I had for 
lunch yesterday. :-)

I will go back and  check the parts receiver slips to try and 
determine how many were made  with each speed grade.

It seems doubtful that the C7 speed grade would  be required by the 
code, given what the Ozy FPGA is doing. However, this  is a clue as to 
what is happening that can be used to try to debug the  problem.

73,
Scotty WA2DFI

At 20:31 2009-06-03 -0400, you  wrote:
>***** High Performance Software Defined Radio Discussion List  *****
>
>Scotty
>
>        I have  two Ozy brds here.Both were ordered from Tapr.I have 
> one brd with C8  version and the second has the C7 version.The C7 
> version works for  me.The C8 version does not.
>
>            73 Bob ve3gkm
>----- Original Message -----  From: "Scott Cowling" <scotty at tonks.com>
>To:  <hpsdr at lists.openhpsdr.org>
>Sent: Wednesday, June 03, 2009 8:13  PM
>Subject: Re: [hpsdr] Re Ozy Problem
>
>
>>*****  High Performance Software Defined Radio Discussion List  *****
>>
>>All TAPR manufactured Ozy boards used the C8  speed grade.
>>
>>The full Altera part number is  EP2C8Q208C8N.
>>
>>73,
>>Scotty  WA2DFI
>>
>>
>>
>>At 23:25 2009-06-03  +0000, ke9h at austin.rr.com wrote:
>>>***** High Performance  Software Defined Radio Discussion List  *****
>>>
>>>All:
>>>Would anyone else  having the chattering relay and or
>>>audio holes/gaps  problem,
>>>with the updated software please comment as  to
>>>whether you have the C7N or C8N version of the FPGA on your  Ozy.
>>>--- Graham
>>>
>>>
>>>  >
>>> >
>>> > For reference, a C7N part is  faster than a C8N part.
>>> >
>>> > -Ray  WB6TPU
>>> >
>>>
>>> >  >
>>> > > Bob:
>>> > >
>>>  > > Would you please let us know what the last three  characters
>>> > > are on the part number for the large  Cyclone-II FPGA IC
>>> > > on your Ozys.  Is it the  same for both ICs?
>>> > >
>>> > > The  last three characters should be C7N or C8N
>>> > >  example:   EP2C8Q208C7N
>>> > >
>>>  > > The number 7 or 8 is the speed grade of the parts.
>>>  > >
>>> > > Thanks,
>>> > > ---  Graham
>>> > >
>>>  >
>>>
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