...t Name: | Alfredo C. Del Junco | Date: | 01/31/2014 | ET 1410 Exam 2 1. In a zero-level detector, the output changes state when the input __________. a. is positive b. is negative c. crosses zero d. has a zero rate of change 2. The zero-level detector is one application of a_________. a. comparator b. differentiator c. summing amplifier d. diode 3. Noise on the input of a comparator can cause the output to_________. a. hang up in one state b. go to zero c. change back and forth erratically between two states d. produce the amplified noise signal 4. The effects of noise in a comparator circuit can be reduced by_________. a. using negative feedback b. using positive feedback c. using hysteresis d. answers (b) and (c) 5. A comparator with hysteresis_________. a. has one trigger point b. has two trigger points c. has a variable trigger point d. is like a magnetic circuit 6. A window comparator detects when_________. a. the input is between two specified limits b. the input is not changing c. the input is changing too fast d. the amount of light exceeds a certain value 7. If the voltage gain for each input of a summing amplifier with a 4.7 kΩ feedback resistor is unity, the input resistors must have a value of_________. a. 4.7 kΩ b. 4.7 kΩ divided by the number of inputs c. 4.7 kΩ times the number of inputs d. Unity gain cannot be achieved...
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...EN1420 March 23,2014 Week1 Assignment 1 Step 1: Understanding Context: What background information do you need to know in order to read this image intelligibly? There is no back ground information need to add to the image .When I was able to look at the image I it lets me know this book or novel is about love. Step 2: What Do You See? What I was able to see that this book or novel is about love. What are the key details or features here that stand out? The key details in this image that stands out is the heart is made out of pages with a light in the core of the page. What images? The image I was able What text? What supporting details? Step 3: Identifying the Issue(s): Based on the picture it presents, what issue does this visual seem to be referencing? Based on the picture this its saying this book or novel is about love or showing someone it is about love. What debate is it part of? The part to debate is this novel or book. Is this book telling you facts on how to love or is it telling you how to love and will it work. Step 4: Defining the Perspective: What side in this debate is this visual taking? Is the book really about love or is it a love novel. What perspective on this issue does this visual seem to take? It is making Step 5: Defining the Argument: How do we know what side of this debate the visual is taking? What specific claims about this issue does the visual seem to be making? That this book will make you feel...
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...ET1410 - Module 2 - Homework Wk3 Due: Beginning of Class Week 4 Student Name: _________________________ Instructions: This is a homework assignment that covers Week 3 of our ET1410 class. You should neatly show your steps in the middle column, and provide your final answer in the right hand column. NEATNESS COUNTS. You must work in pencil, not pen. Must include units of measure in your answer!!! If no units, or incorrect units, points will be deducted. ProblemNo. | Your Solution | Final Answer (Restate Your Final Answer Here) | 1 | The upper critical frequency of an op-amp’s open-loop response is 200 Hz. If the midrange gain is 175,000 what is: (a) ideal gain at 200 Hz? (b) the actual gain? (c) The op-amps open loop bandwidth? | (a)____________(b)____________(c)____________ | 2 | Determine the attenuation of an RC lag network with fc = 12 kHz for each of the following frequencies. (a) 1 kHz (b) 5 kHz (c) 12 kHz (d) 20 kHz (e) 100 kHz | (a)____________(b)____________(c)____________(d)____________(e)____________ | 3 | Determine the phase shift through the network at a frequency of 2 kHz: | | 4 | Determine the phase shift through the network at a frequency of 2 kHz: | | 5 | Determine the phase shift through the network at a frequency of 2 kHz: | | 6 | A certain op-amp has three internal amplifier stages with midrange gains of 30dB, 40dB, and 20dB. Each stage also has a critical frequency associated with it as follows: fc1= 600Hz...
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