3220 test #2 spring 2002

3220 test #2 spring 2002 - Name: _ email:_ EE3220Test#2...

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Name: _______________________________ EE 3220 Test # 2 email:_________________________________    Spring 2002 DO NOT WRITE ON THE BACK OF THESE PAGES –> WORK WILL NOT BE GRADED 1.) Why does the bandwidth of a differential amplifier extend higher, and lower than a simple  BJT inverting amplifier with DC blocking and bypass capacitors?  2.) Aside from bandwidth, why is the active bypass (differential amplifier) a better solution to  a high gain amplifier than a BJT inverter with a bypass capacitor? 3.) What major advantage does a crystal oscillator have over an LC resonant circuit? 4.) An AM radio station needs to suppress an 80 kHz unwanted noise signal by 15 dB, while  passing frequencies from 40 Hz to 8 kHz.  Design a simple circuit that will do this, and  sketch the desired bode plot of your circuit.                  5.) A transresistance amplifier has an open loop gain of A
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3220 test #2 spring 2002 - Name: _ email:_ EE3220Test#2...

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