[sdiy] Transformer question

Mykolas mikas.paukstis at gmail.com
Thu Feb 24 12:18:03 CET 2011


Many thanks. I'll get 2x18V.

2011/2/24, Simon Brouwer <simon.oo.o at xs4all.nl>:
> Hi Mykolas,
>
> Get the 2x18V. With the 2x15V you would find that, under load, the input
> voltage to the regulators becomes too low. You can leave the extra
> secondaries unconnected without any problem.
>
> It is quite a good price shown on that web page!
>
> Best
> Simon
>
> Mykolas schreef:
>> Hi guys,
>>
>> I'm about to build ±15V psu using LM317/LM337, but there is question
>> about transformer. In my local shops I can get 2x15V 1A rated
>> transformer, but not bigger :( there is option 2x18V 2x1.1A (but it
>> has couple more secondaries), link:
>> http://www.evita.lt/en/det-1562-transformer-tp60-9-2x18v-2x1.1a-10.6v-0.6a-5v-0.5a.html
>>
>> Can I use 2x15V 1A transformer or do go with 2x18V and leave secondaries
>> free.
>>
>> Many thanks.
>>
>> --
>>
>> Mykolas
>> +370 67626261
>> www.analogas.uzrasai.lt
>> _______________________________________________
>> Synth-diy mailing list
>> Synth-diy at dropmix.xs4all.nl
>> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>>
>>
>
>
> --
> Vriendelijke groet,
>
> Simon Brouwer
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>
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-- 

Mykolas
+370 67626261
www.analogas.uzrasai.lt



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