It is impractical to make or simulate a wideband high gain amplifier at frequencies as high as 100MHz using obsolete parts.
Look at this circuit. @10MHz voltage gain is 130.Hi, I did other tests with a bjt calculator on https://www.daycounter.com/Calculators/Cascode/BJT-Cascode-Calculator.phtml . I replicated the circuit described by setting the values suggested by the page. Something does not add up because instead of having a gain I have an attenuation of 92%. The only heats that I have not been able to insert are CB and CBE always on the page. After understanding where the problem is, I can think about the rest. What did I miss? Thanks.
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by Jeff Child
by Aaron Carman