[Amps] Regulated DC heater

d.cutter at ntlworld.com d.cutter at ntlworld.com
Mon Jan 26 13:18:02 EST 2009


Charlie

It is convention to quote ALL voltages in rms values unless otherwise stated.  Therefore, 5V ac has the same heating effect as 5V dc.

David
G3UNA

---- Missouri Guy <n0tt1 at juno.com> wrote: 
> Hi Gents,
>  
> Just for some future info here....If I use regulated DC to power 
> the filaments on any tube, and let's say the required voltage is
> 5 volts AC, shouldn't (or couldn't) the 
> DC value be 5 x .707= ~3.54 VDC?
>  
> Thanks,
> Charlie, N0TT


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