# HW7answers - resonant frequency quality factor and...

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HW 7 answers A more meaningful and easier graph could have been done as a Bode plot. Consider that when the frequency is low, the inductor L impedance is small compared to the resistors. Then R 1 and R 2 form a voltage divider. Each are 1 ohm, so the voltage across the output resistor R 2 is half of the input voltage. The dB level = 20 log10(.5) = -6 dB. The corner frequency is 31.8 kHz. The roll-off is 20 dB per decade for this circuit. Therefore we can draw the Bode plot (even without having developed a formula) as: 0 -6 -20

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-40 |H( f )| dB f B /10 f B 10 f B 100 f B Answer –
P6.69 – A parallel resonant circuit has R = 5 kW, L = 50 uH, and C = 200 pF. Determine the

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Unformatted text preview: resonant frequency, quality factor, and bandwidth. Answer – P10.1 – Draw the circuit symbol for a diode. Label the anode and cathode. Answer – P10.2 – Draw the volt-ampere characteristics of a typical diode and label the various regions. Answer – P10.22 – What is a Zener diode? For what is it typically used? Draw the volt-ampere characteristics of an ideal 5.8-V Zener diode. Answer – P10.42 – Draw the circuit diagram of a half-wave rectifier for producing a nearly steady dc voltage from an ac source. Draw two different full-wave circuits. Answer – 1...
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## This note was uploaded on 09/01/2010 for the course EE 331 taught by Professor Preston during the Spring '06 term at University of Texas.

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HW7answers - resonant frequency quality factor and...

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