7. You want to build a circuit which causes a ligh tbulb to turn on when you throw a switch. So, you build the circuit if Figure 5. When the switch is connected to point A the capacitor charges, and when you connect the switch to point B the light goes on. Let the resistance of the light bulb be Rℓ = 1.50 ×103 Ω, the potential difference across the battery is VB = 10.0V , and the capacitor has a capacitance of C = 1.35 × 10−4 F
(Choose two answers.) a,c 3. A PC NIC and a switch port create one electrical circuit to use when sending data from the PC to the switch. Which of the following tasks is a function done by the transmitter? (Choose two answers.)
Which of the following is true about what happens when a PC NIC connects to a switch using 100 BASE-T? 10. With a fiber optic cable, the core of the cable, through which light passes, is made of which of the following? 11. Which of the following is the type of transmitter used on a fiber optic link that provides the longest maximum distances?
2. FPGA devices must be configured and hardware tested for the blocks/codes developed as part of Expt. 1. and Expt. 2. The correctness of the inputs and outputs for each of the blocks must be demonstrated atleast on oscilloscopes (logic analyzer preferred).
Calculate the impedance by the measured values of voltage and current from the oscilloscope. Also calculate the impedance from = − C. Answer: Impedance, Z = 5∠0 34.65 60.48°) = 173.25 - 60.48⁰ = 85.37 Ω - j150.76 Ω Again, XC = 1/ = 1/ (6280 x 10-6) = 159.24
Answers to Week Two Homework Assignment ( Assignment 1) Chapter 7 Exercise 13 You should choose a sample size of 1000 people. Although the law of averages tells you that the average of 1000 people is very likely to be close to 60 inches -- and thus under 65 inches tall -- here you are winning a prize for each person over 65 inches tall, not when the average of all the people is over 65 inches tall. Having a larger sample will give you more chances at getting the prize. The law of averages pertains to the variability of a sample average -- not variability in individual data values themselves. Here, we are concerned with individual data values.
11. Cable Toner12. Continuity Tester- an item of electrical test equipment used to determine if an electrical path can be established between two points; that is if an electrical circuit can be made 13. Category 5e/6 cable- is a standardized cable for Gigabit Ethernet and other network physical layers that is backward compatible with the Category 5/5e and Category 3 cable standards 14. Binder Groups- Cable pairs are typically arranged under the cable sheath in binder groups 15.
75uS is the time constant used for a high-pass filter to enhance the high frequency audio before transmission to help reduce noise upon reception. The PLL is the portion of the IC which locks your chosen transmission frequency to the crystal reference X1. The PLL portion also contains an oscillator circuit which works in conjunction with the external parts of D5 and the STUB (that weird trace on the back of the board). D5 is called a varactor diode, and is a special variety of diode that is connected backwards. As a reverse DC voltage is applied across the diode, its capacitance varies.
Mary E Polkus IT113P (Saturday) Student # 18916627 The Bottom Line (chapter 1) Identify the key industry standard necessary to specify, install, and test network cabling. Ansi/Tia – 568-c * A maximum horizontal run length of 100 meters * A maximum operating frequencies: Category 3 – 16MHZ Category 5e - 100MHz Category 6 - 250MHz Category 6a - 55MH Master IT - What industry standards body and standards series Numbers do you need to reference for Ethernet Applications and cabling? The IEEE maintains the industry standards for Ethernet Protocols or applications. This is part of the
Michael Rarick ET1220 Prof. Karam Labs 1 – 4 Lab 1 – Laboratory Instrument Familiarization, page 2 Lab 2 – Constructing a Logic Probe, page 3 Lab 3 – Number Systems, page 4 Lab 4 – Logic Gates, page 5 Lab 1 – Laboratory Instrument Familiarization Materials: - One 330 ohm resistor one 1k ohm resistor and one 2.7k resistor - One LED - One 555 timer IC - Two capacitors one a high value one low (.1 micro Farad and 100 micro Farad) Purpose: The purpose of the experiment was first and foremost to review the equipment and to make sure that we could wire the circuit according to the schematic and to gain experience doing so. This also involved gaining familiarity with how ICs must be powered and grounded