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Re: Wellbrook 50 ohm preamp to Files


 

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Mike,

Since you told us you have an IMD test set, maybe you should build the two types and measure them, using same transistors and same current, and let us know the results.??? :)

Steve

On 10/15/2024 1:52 PM, vbifyz via groups.io wrote:

I wonder how this 2-transformer circuit compares to Lankford 4-transformer design in terms of IMD. I would expect even better OIP2, because of the symmetry of the output transformer
?
73, Mike AF7KR

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