[hpsdr] Munin III

Fri Nov 12 05:44:52 PST 2021

Hi Jim.

The link to Munin III is:https://github.com/LA2NI/Munin-III

73, Kjell

Den 12.11.2021 14:08, skrev Jim Sanford:
> Kjell:
>
> Can you publish the github link?
>
> Thanks,
>
> Jim
>
> wb4gcs at amsat.org
>
>
> On 11/12/2021 3:18 AM, Kjell Karlsen wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Hi Dick.
>>
>> Thank you for this information!
>>
>> As the very old CAD program(Ultiboard v5.71) I used until this year 
>> was meant for manual handling by the PCB manufacturer, the extension 
>> of the file did not give the right information for the layer if used 
>> in an automatic process. But if the manufacturer just open the Gerber 
>> files in a Gerber viewer, he can read the necessary info written on 
>> the file.
>>
>> Now I have changed to Kicad and I understand that some manufacturers 
>> have had some problem also with Kicad files but they seems to be 
>> solved now.
>>
>> I have updated the github with BOM for the Munin III board and I am 
>> working on a description how to make the output PA Transformer.
>>
>> 73, Kjell
>>
>> Den 12.11.2021 04:44, skrev Dick Faust:
>>> Hi Kjell & Tony
>>>
>>> JLCPCB can and has made PCB's from Kjell's files for me and others.  
>>> All that is required to make the process easier is to translate the 
>>> gerber extensions into those that the board manufacturers expect to 
>>> see.  It may be necessary to open the individual gerber files with a 
>>> text editor to determine the appropriate layer designation and then 
>>> change the extension. See the attachment for more details that were 
>>> done on the PiHPSDR board.
>>>
>>> Dick K9IVB
>>>
>>> On 11/11/2021 12:58 AM, Kjell Karlsen wrote:
>>>> ***** High Performance Software Defined Radio Discussion List *****
>>>>
>>>> Hi Tony.
>>>>
>>>> It should not be difficult to identify each file as it is written 
>>>> on the file in lower left hand side. The CAD program I used is very 
>>>> old but still follows the present rules. If you use a Gerber viewer 
>>>> you can see this text.
>>>>
>>>> There is nothing I can do to improve this.
>>>>
>>>> One manufacturer that still can use the files is boktech.cc, they 
>>>> have no problems.
>>>>
>>>> I have now started to use Kicad so future layouts from me should 
>>>> not have similar problems!
>>>>
>>>> 73, Kjell
>>>>
>>>> Den 11.11.2021 06:20, skrev Tony Hagen:
>>>>> Hi Kjell,
>>>>>
>>>>> Thanks for posting the Gerber
>>>>>
>>>>> JL PCB and many other pcb fabricators are not accepting your 
>>>>> GERBER files - they are not able to identify the layers as the 
>>>>> naming convention which is being followed is not there
>>>>>
>>>>> probably you can look into the gerber you posted for munin III in 
>>>>> github
>>>>>
>>>>>
>>>>>
>>>>> 73
>>>>> Tony
>>>>> -----Original Message----- From: hpsdr-request at lists.openhpsdr.org
>>>>> Sent: Thursday, November 11, 2021 3:29 AM
>>>>> To: hpsdr at lists.openhpsdr.org
>>>>> Subject: Hpsdr Digest, Vol 189, Issue 11
>>>>>
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>>>>>
>>>>> Today's Topics:
>>>>>
>>>>>   1. Munin III (Kjell Karlsen)
>>>>>   2. Re: PennyWhistle MOSFET's (Riho B., ES7AAZ)
>>>>>   3. Re: PennyWhistle MOSFET's (Riho B., ES7AAZ)
>>>>>   4. Re: PennyWhistle MOSFET's (Riho B., ES7AAZ)
>>>>>
>>>>>
>>>>> ---------------------------------------------------------------------- 
>>>>>
>>>>>
>>>>> Message: 1
>>>>> Date: Wed, 10 Nov 2021 17:37:59 +0100
>>>>> From: Kjell Karlsen <la2ni at online.no>
>>>>> To: hpsdr at lists.openhpsdr.org
>>>>> Subject: [hpsdr] Munin III
>>>>> Message-ID: <a71d86ec-d4f0-a8a3-58db-4331efa06e5d at online.no>
>>>>> Content-Type: text/plain; charset=UTF-8; format=flowed
>>>>>
>>>>> Hi All.
>>>>>
>>>>> I have uploaded Munin III BOM to github: 
>>>>> https://github.com/LA2NI/Munin-III
>>>>>
>>>>> 73, Kjell
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------
>>>>>
>>>>> Message: 2
>>>>> Date: Wed, 10 Nov 2021 19:28:28 +0200
>>>>> From: "Riho B., ES7AAZ" <es7aaz at gmail.com>
>>>>> To: Helmut Oeller <dc6ny at gmx.de>
>>>>> Cc: Hpsdr Mailing List <hpsdr at lists.openhpsdr.org>
>>>>> Subject: Re: [hpsdr] PennyWhistle MOSFET's
>>>>> Message-ID:
>>>>> <CAOOH28Dg8s0R8q32qoV3Ek_=+Z0sbd1RETJWQBOj1NxekQ-6RA at mail.gmail.com>
>>>>> Content-Type: text/plain; charset="utf-8"
>>>>>
>>>>> Helmut, I don't have much lab instruments currently here. But I 
>>>>> have a
>>>>> small 50? sma dummy load soldered to the piece of coax. If 
>>>>> Penelope sees
>>>>> 50? dummy load the TX carrier signal looks damn clean. So, there 
>>>>> is nothing
>>>>> wrong with Penelope here. If I connecting the Penelope to the 
>>>>> PennyWhistle
>>>>> and sending singal out into the 20m delta loop and using small indoor
>>>>> antenna for RX the TX carrier looks terrible.
>>>>>
>>>>> Kontakt Riho B., ES7AAZ (<es7aaz at gmail.com>) kirjutas kuup?eval K, 
>>>>> 10.
>>>>> november 2021 kell 18:33:
>>>>>
>>>>>> In Duplex there is only 15cm coax and opened T/R relay here  So, no
>>>>>> Mercury overdrive, more likely underload.
>>>>>>
>>>>>> -- 
>>>>>> *73,*
>>>>>> *Riho ES7AAZ*
>>>>>>
>>>>>> Kontakt Helmut Oeller (<dc6ny at gmx.de>) kirjutas kuup?eval K, 10. 
>>>>>> november
>>>>>> 2021 kell 18:20:
>>>>>>
>>>>>>> Not sure that you interpret TX display in Duplex mode correctly !?
>>>>>>>
>>>>>>> 73, Helmut
>>>>>>> Am 10.11.2021 um 17:08 schrieb Riho B., ES7AAZ:
>>>>>>>
>>>>>>> Helmut, thanks for all tips and suggestions. Sure, I will take a 
>>>>>>> look
>>>>>>> into it what's going on here. Fortunately I have a Pinocchio as 
>>>>>>> well for
>>>>>>>  measurements and troubleshooting. Yes, the PowerSDR shows the 
>>>>>>> signal how
>>>>>>> it's going out from DSP.  In Duplex mode it shows how the signal 
>>>>>>> going out
>>>>>>> from the radio.
>>>>>>>
>>>>>>> -- 
>>>>>>> *73,*
>>>>>>> *Riho ES7AAZ*
>>>>>>>
>>>>>>>
>>>>>>> Kontakt Helmut Oeller (<dc6ny at gmx.de>) kirjutas kuup?eval K, 10.
>>>>>>> november 2021 kell 17:07:
>>>>>>>
>>>>>>>> Riho, don't give up! Penelope and Pennylane were (are) fine 
>>>>>>>> boards.
>>>>>>>> Search for the reason. Check as already suggested signal 
>>>>>>>> quality at the
>>>>>>>> input of amp U6 (OPA2674), check 12V supply voltage for ripple 
>>>>>>>> etc. and
>>>>>>>> output match (T2). When I recall correctly PowerSDR shows the 
>>>>>>>> base-band
>>>>>>>> signal in TX mode and not the real output signal. Hence I would
>>>>>>>> recommend to use an external analyzer to evaluate the RF signal.
>>>>>>>>
>>>>>>>> 73, DC6NY
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
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