A torroidal transformer works on VLF. I had one (220 to 15 V) in use after my
audio transformer was blown. But the TV transformer brings the higher voltage
of course.
Horst DO1KHS/DI2AN
-----Ursprüngliche Nachricht-----
Von: [email protected]
Gesendet: 30.05.2010 14:18:42
An: [email protected]
Betreff: Re: LF: 8.97kc - TV transformer info needed
>
>I need to look around for an old tube TV for the same thing
>
>Just wondered how well a neon sign transformer would work.
>back in the days I used a pair of HV transformers
>back to back as a modulation transformer which appeared to work as
>well as one designed for that. so it passed good audio up to 3Khz at
>least
>I also use a standard transformer in a LF converter which works
>well up to 200 Khz or so. The point being would an iron core transformer
>work in low power tests at elf ?
>
>Bob K3DJC
>
>
>On Sat, 29 May 2010 21:48:48 -0500 "Mike.WE0H" <[email protected]> writes:
>> Found my Zenith black & white TV chassis tonight. Got a flyback
>> transformer that looks like Litz wound with bees wax for potting
>> compound. No diodes, lots of room for the primary winding that I
>> need to
>> wind yet. Should be good to go now for some 8kc experiments.
>>
>> Thank you everyone for the advice on the transformers today. Now I
>> have
>> the correct one on my bench.
>>
>> Mike
>> WE0H
>>
>>
>>
>
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