Prelab 9 Santiago Tovar

Make an essay about "how filter circuits for AC and DC power supply works"

3. A buck (step-down) converter with output low-pass filter is converting a 24 V input voltage to a 12 V, 240W output load with 100 kHz switching frequency Assuming the inductor current is continuous (CCM) and the circuit is ideal: a. Sketch the principal circuit schema b. Calculate the duty ratio c. If the inductor current ripple is 25%, calculate the inductance value d. Calculate the maximum and minimum values of the inductor current e. Sketch the inductor current diede

Explain the difference between active filters and passive filters in the context of electronic filter design.

Q1.B) Explain why active filters are designed as biquadratic sections ?

Draw the diagram of a halfwave power supply circuit and a fullwave  supply circuit. Aside from  the difference between the number  of diode utilized in both circuits, state the main advantage of  the fullwave power against the halfwave circuit for the following scenario . When there is a defective diode (open anode- cathode ) When the filter capacitor is defective (capacitor is open)

Mark the good definition

1. The purpose of the Lag Compensator is: I. Improve the study state response of the close system. II. Speed up the transit response. III. All the above. IV. None of the above.  2. In the Lead Compensator:  I. Z > P. II. Z < P. III. Z = P. IV. None of the above.

Choose the correct statement(s) that describe the diagram below. Yol) Bandpass filter Envelope detector Limiter Differentiator Select one or more Ca. FM Discriminator with bandpass limiter El b Narrowband to wideband conversion J FM Demodulator PM Demodulator B.e. Linear PLL model

What are the advantages of active filters compared to passive?

FM modulated signal is demodulated using: Select one: O a. Costas PLL O b. Carrier reinsertion method Oc Discriminator followed by integrator O d. Discriminator A Phase-locked loop can be used as: a. FM modulator O b. AM demodulator O c. AM modulator d. FM demodulator

Ce301 q2c

5. Calculate the rms ripple voltage at the output of an RC filter section that feeds a 1.2 k ohm load when the filter input is 60 volts de with 2.8 Volts rms ripple from a full wave rectifier and capacitor filter. The RC filter section components are R = 120 ohms and C= 100 uF. If the no-load output voltage is 60 volts, calculate the percentage voltage regulation with a 1.2 k ohm load.

For the buck-boost converter has an input of Vs= 12 V. The duty cycle k= 0,25 and the switching frequency is 25kHZ. The inductance L= 150 uH and filter capacitance C=220uF, The average load current Is = 1,25 A .Determine the following: 2.1 The average output voltage Vs 2.2 The peak-to peak output ripple Vc 2.3 The peak-to-peak ripple current of inductor I 2.4 The peak current of the transistor Ip 2.5 The critical values of L and C

3- What is the effect of disconnecting the load resistance from the output of the filter?

Hand book.

#has an input Q/The buck-boost regulator gu voltage of Vs = 12V. The duty cycle = 0.25 and the switching frequency is 25 KHZ. The inductance L = 150 μul and filter Capacitance C= 220 μf. The average load Current Ia = 1.25A. Determine (a) the average output voltage, Va (b) the peak-to-peak output voltage ripple, Avc (c) the peak-to-peak ripple current of inductor, AI (d) the peak Current of the transis () the critical values of L and C min. min.

Bandwidth of an active filter is related to  A.   the size of filter memory   B.   size of filter capacity in term of frequency   C.   size of filter accuracy in term of frequency   D.   filter capability to amplify its gain

Discussion add elaboration on the importance of active filter in electronic system & relate it to the current technology trend (min 3 pages)

Power systems quality

select an answer1. In a digital PLL system, the blocks that compose it are...A. Phase detector, integrator and oscillator.B. Integrator, Mixer and a Loop.C. Phase detector, loop filter and VCO.D. Phase detector, loop filter and NCO.

Give an example of an analogue device that can be used as a phase comparator in a PLL system and explain its operation.