VIN=6.6V, what is the bias voltage VOUT (in Volts) across the earphone?

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anonymous · Answer

what is he equation of 4th question??

anonymous · Answer

thanks

anonymous · Answer

@nurali 

We expect our signal to drive the input up and down by 1.0V.
So, if the input goes up to VIN=7.9 V what will the output voltage vOUT (in Volts) be?


And, if the input goes down to VIN=5.9 V what will the output voltage vOUT (in Volts) be?



In order to allow this much swing on the output voltage, we must supply a sufficiently high supply voltage. What is the minimum value of VDD (in Volts) that we must supply to keep the transistor in the region of saturated operation?