Hi, I need to design two biasing circuits...one for a BJT and one for an FET. In my design, I need a certain output current, max signal swing and Q-point stability which I thought could be done by using a circuit similar to the one attached, and keeping VCE and IC constant. However I was told that my circuit will not provide stability when the transistor is changed, and that I need to alter my design. To be honest I don't understand what my problem is entirely, can anyone explain what my problem exactly is and maybe let me know how to alter my circuit in order to function the way I need it to?
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