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Measurements of the current flowing through a circuit

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RF high power amp bias scheme

I am using the TGA2237-SM for the TX side in a front end design. I am trying to figure out an analog method for doing the bias up and bias down procedures. Bias up Set gate to Vg=-5V Increase Vg till …
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RF high power amp bias scheme

Fred, I was thinking of something like this. Not perfect, but very simple. I think my issue might be the R1 resistor. The R1 is the gate, so I guess I could assume High Z. The node between R2 and R3 w …
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