[600MRG] Receptions at w0yse on 630m

[Dave Riley]

Plug and play >> http://www.radiocom.net/600M/TxVerter2.jpg


Barebones TX converter >> http://www.radiocom.net/600M/TXconverter.jpg


On 2/26/2023 5:32 PM, Neil Klagge wrote:
> Hi Tom and others.
> I am planning to just use a simple mixer IC, it is the SA612 which is 
> the same diagram as for the older NE602.  I use one now for my LF 
> receive converter to 10 MHz.  Circuits for it can be found on the web 
> such as here 
> https://www.lb3hc.net/wp-content/uploads/2019/12/UsingTheNe602.pdf
>
> I will need to set my radio to TX on 10474.2 kHz and feed that to a dB 
> pad to get it down to the power level that the SA612 can handle at its 
> input.  There will be a TXCO at 10 MHz to mix with the TX signal which 
> produces 4 output freqs, one of which is 474.2 kHz.
>
> I know that there are other better mixers but I want to use all parts 
> that I already have on hand. Gotta use them up before I meet the Guy 
> in the Sky,   just joking....no I am not dying anytime soon, but at 82 
> there are fewer guarantees, LOL.
>
> I have not yet drawn up a schematic but I think I can make it work. I 
> will feed that into my simple one FET 5w rf amp.
>
> Thanks for asking.
>>> **´¨)
>>> ¸.•´¸.•*´¨) ¸.•*¨)
>>> (¸.•´ (¸.•`   Neil *, wØyse, DN41ah, North Ogden, Utah 84414
>
> My ham radio website: http://w0yse.webs.com/ <http://w0yse.webs.com/>
>
> My Faith website: http://neilsfaith.webs.com/ 
> <http://neilsfaith.webs.com/>
> ------------------------------------------------------------------------
> *From:* 600mrg-bounces at mailman.qth.net 
> <600mrg-bounces at mailman.qth.net> on behalf of Tom W8JI <w8ji at w8ji.com>
> *Sent:* Sunday, February 26, 2023 1:24 PM
> *To:* 600mrg at mailman.qth.net <600mrg at mailman.qth.net>
> *Subject:* Re: [600MRG] Receptions at w0yse on 630m
>
>
> On 2/25/2023 8:25 AM, Neil Klagge wrote:
>>
>> I have begun building a TX converter for my FT891 so that I can use 
>> it on 630m for a possible qso using one of the newer modes for LF/MF.
>>
>>
>>
> Can you share a link to the converter plans?
>
> I am tossing around designing my own transverter or just buying the 
> transverter from Australia.
>
> If I did a transverter I would kit it just to help get some people on 
> 630M.  The lights are always on and often nobody is home.
>
> A 100W single band transverter would be fairly simple. I would love to 
> use something other than my antique IC751A radio. Although it is 
> running 100W+ output now, it is about half my age.
> I want to use a newer better radio. :)
>
> 73 Tom
>
>
>
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