Tube rectifier capacitance beyond the pi filter

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Tube rectifier capacitance beyond the pi filter

Postby Blair » Thu Nov 07, 2013 6:03 pm

I see the max uF for the first cap in the data sheets, but how much can you add after the first filter section?

Does a tube rectifier offer lower ripple over SS?

Thanks,

Blair
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Re: Tube rectifier capacitance beyond the pi filter

Postby DeathRex » Thu Nov 07, 2013 6:55 pm

Blair wrote:I see the max uF for the first cap in the data sheets, but how much can you add after the first filter section?


Unless it's a very small inductor or resistor, the second capacitor can be almost anything.

Blair wrote:Does a tube rectifier offer lower ripple over SS?

Thanks,

Blair

Yes, because a tube rectifier has more resistance than a silicone diode, so the peak is smaller, if you use the same capacitors. But you can have much more capacitance with silicone, so usually there is less ripple with silicone.
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Re: Tube rectifier capacitance beyond the pi filter

Postby hilldweller » Thu Nov 07, 2013 7:38 pm

Silicone is for breast implants! Silicon is for electronics. RE: silicon valley (lol)
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Re: Tube rectifier capacitance beyond the pi filter

Postby Blair » Thu Nov 07, 2013 8:30 pm

hilldweller wrote:Silicone is for breast implants! Silicon is for electronics. RE: silicon valley (lol)


Coincidentally, I like both!
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Re: Tube rectifier capacitance beyond the pi filter

Postby hilldweller » Fri Nov 08, 2013 5:15 am

DeathRex wrote:
Blair wrote:I see the max uF for the first cap in the data sheets, but how much can you add after the first filter section?


Unless it's a very small inductor or resistor, the second capacitor can be almost anything.

Blair wrote:Does a tube rectifier offer lower ripple over SS?

Thanks,

Blair

Yes, because a tube rectifier has more resistance than a silicone diode, so the peak is smaller, if you use the same capacitors. But you can have much more capacitance with silicone, so usually there is less ripple with silicone.

Unless they are silicone breast implants then more ripple would be better. (lol)
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