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Since transistors are current controlled devices, and since the base-emitter voltage has quite a bit of variability between devices and at temperature, why don't you design a constant current regulator to control base current for the amplifier class - which I'm assuming is AB?

If you want to use volatge regulation, you would be much better off using an FET type device instead.

[QUOTE="ken white, post: 168535, member: 2405"] Since transistors are current controlled devices, and since the base-emitter voltage has quite a bit of variability between devices and at temperature, why don't you design a constant current regulator to control base current for the amplifier class - which I'm assuming is AB? If you want to use volatge regulation, you would be much better off using an FET type device instead. [/QUOTE]

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