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Re: 12AU7 tube heater model

 

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Well, I've given you the formula, but I'm not sure of how to write the command in LTspice syntax. I hope an expert will help. It's true, I think,? that LTspice needs to convert the resistor to a B source.

On 2025-02-24 09:52, Carlo wrote:
On Mon, Feb 24, 2025 at 01:26 AM, John Woodgate wrote:
I think you have made the heater a current generator, rather than a temperature-dependent resistor as I posted
Sorry, maybe I didn't get your point before: how can I actually define a temperature-dependent resistor ?
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