ECT 246 ECT246 ECT/246 ENTIRE COURSE HELP – DEVRY UNIVERSITY

Description

ECT 246 ECT246 ECT/246 ENTIRE COURSE HELP – DEVRY UNIVERSITY

ECT 246 Week 1 Homework

ECT 246 Week 1 iLab

ECT 246 Week 2 Homework

ECT 246 Week 2 iLab Transistor Circuits

ECT 246 Week 3 Homework

ECT 246 Week 3 iLab Op-Amps

ECT 246 Week 4 Homework

ECT 246 Week 4 iLab

ECT 246 Week 5 Homework

ECT 246 Week 5 iLab Op-Amps

ECT 246 Week 6 Homework

ECT 246 Week 6 iLab Filters and Oscillators

ECT 246 Week 7 Homework

ECT 246 Week 7 iLab 7

ECT 246 Week 7 iLab Switching Transistors and Optical Devices

ECT 246 Week 1 Quiz

ECT 246 Week 2 quiz

ECT 246 Week 6 Quiz

ECT 246 ECT246 ECT/246 ENTIRE COURSE HELP – DEVRY UNIVERSITY

ECT 246 Week 7 iLab Switching Transistors and Optical Devices

TCO #8:

Given a DC switching application such as driving a motor in one and two directions use a SCR and a transistor and an H-bridge driver to successfully perform the operation, calculate and measure the operating voltages and currents.

Part B-Optical Devices

TCO#9:

Given an application that requires electrical isolation choose an appropriate optical isolation device to provide the necessary isolation for that particular application.

ECT 246 ECT246 ECT/246 ENTIRE COURSE HELP – DEVRY UNIVERSITY

ECT 246 Week 2 quiz

1. TCO 1) What is the frequency of the ripple voltage for a full-wave rectifier with an input of 20 Vrms, 60 Hz?

2. (TCO 1) As the AC voltage at the transformer primary decreases, the peak voltage out of the diode bridge will

3. (TCO 1) If a diode on the diode bridge opens, what is the result?

4. (TCO 2) Coupling capacitors are used in ______.

5. (TCO 2) If the BJT is saturated, _____

6. (TCO 2) For the waveforms given below, Ch A is on top and Ch B is on bottom. Calculate the gain and phase difference.

(TCO 1) Find the following for an input of 120 VAC(RMS), 60 hertz, given a 10:1 stepdown transformer. The secondary is less voltage than the primary. Rload is 100 ohms. Round off to the nearest whole number.
1a: Primary or input peak voltage =
1b: Secondary peak voltage =
1c: Secondary peak current =

(TCO 1) For the block diagram below, find the following if Vsecondary = 18Vrms, 60 Hz, Rload = 150 ohms. Round off to the tenths place. The transformer ratio is 6.67:1.

(TCO 2) Given the resistance of the servo motor is 500 ohms, and beta is 200, find the following: Maximum and minimum collector currents, Vout and Ib when Vin is 5 volts.

(TCO 2) For the circuit below with Vcc = 10V and Beta = 200, find Ic and Vce.

ECT 246 ECT246 ECT/246 ENTIRE COURSE HELP – DEVRY UNIVERSITY

ECT 246 Week 6 Quiz

1. (TCO 5) If Va = 3V, what is Vout?

2. (TCO 3) If Vin = 1V, and Rload = 1k ohm, what is the current through Rload?

3. (TCO 4) If an audio amplifier integrated circuit uses a dual power supply of +/- 30V for the power supply, will there be a capacitor on the output of the audio amp? Why or why not?

4. (TCO 7) Describe the effect of gain on an oscillator loop.

5. (TCO 6) The filter below right is a _______ pass filter, andit is made with one RC circuit the maximum rolloff will be ________ db/decade.

HPF = High-Pass Filter, LPF = Low-Pass Filter, BPF = Band-Pass Filter, BSF= Band-Stop Filter

(TCO 2) For the circuit below, if Vcc is 20 volts and Rb is 4.3k ohms, find the base and collector voltages and currents for an input of 0V and 5V. Beta = 300, the motor resistance is 100 ohms.

(TCO 1) Find the following for an input of 120 VAC(RMS), 60 hertz, given a 20:1 stepdown transformer, and a full-wave bridge rectifier. Rload is 70 ohms. Round off to the nearest tenths place.

(TCO 5) If the resistance of the thermistor is 900 ohms, what is Vout? Is the motor on or off?

(TCO 6) For the filter below, if C = 0.1ufd, this is a _______ pass filter with a roll-off of ________ db/decade and a cutoff frequency of ________.