Tuesday, April 5, 2016

Dual gate mosfets

Now for the final step in the present journey. The dual gate mosfet. The audio amp in my last post used a bias adjustment and the signal on the same element of the mosfet. The dual gate separates these two functions and enables the use of two inputs or a bias and signal  Discovering and using the dual gate mosfet will be the objective. Years ago I bought a few of them to use in a short wave receiver, The new old stock prices will give you sticker shock. Fortunately they are still avaiable in surface mount. that will be the subject of the next post.

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