For the amplifier with the 4-R bias circuit shown in class, find the following:

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For the amplifier with the 4-R bias circuit shown in class, find the following: The base voltage if the current-gain of the transistor were infinite (zero-base current) The approximate value of the emitter voltage under the case above. The base current under the condition of part b, assuming hFE = 100. HINT: Use the emitter voltage to find the emitter current, which is approximately equal to the collector current and then divide by hFE to get the base current. The actual base voltage under the condition of part c. HINT: Resolve the bias network into its Thevenin equivalent and use the Is value from part c to compute the small reduction in base voltage over that found in part a. The collector voltage (is Q1 in the active region?)

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