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1. What should the length of an antenna be if it is going tobe used to send data at 145.01MHz, assume a 1/4λmonopole antenna is used.
2. The impedance of an antenna was measured as z = 17 -j470Ω what does this mean?
3. An antenna is measured to be 30inches in length, if it is assumed to be a 1/4λ monopole, what frequency is this antennaused for?
4. An antenna forms a 1/2λ dipole. How can you adjust the antenna to resonance for a clearer signal to be recieved.
5. What term s used to describe the wire from an antenna to reciever
An engineering firm consisting of 3 programmers and 6 circuit engineers. The employees are randomly assign to 3 teams of 3, labeled Group 1, Group 2, and Group 3. a) How many ways are there to assign the 9 employees to Groups 1, 2 & 3
Design an active first-order RC low-pass filter (using a 741 op-amp) with a cut-off frequency of 10 kHz and a band-pass gain of 20 dB. Derive the step response and voltage transfer function.
A student acquires a 50mV, 1mA (meter-A) and a 50mV , 2mA (Meter-b) d'arsonval movements and converts both the meters to measure 100v full scale individually. A potential divider consisting of 70k and30k resistors was powered using an ideal 100v D..
Calculate the number of resistors and switches needed for a resistor ladder DAC for each case: a. 3 bit DACb. 7 bit DAC c. 25 bit DAC d. 42 bit DAC
Supposed that at t=0, we connect an uncharged 10μF capacitor to a charging circuit consisting of a 2500V voltage source in series with a 2MΩ resistance. At t=40s, the capacitor is disconnected from the charging circuit and connected in parallel wi..
A sirloin steak (e'r = 52.4, µr = 1, tan dc = 0.33) is to be heated in a microwave oven operating at 2.45 Ghz. (a) Determine the uniform plane wave penetration depth. (b) Determine the complex impedance of the material.
Create a flowchart and pseudo-code for generating a report that prints all of the movies, with all movies made by the same director on one page, as well as the number of movies by each director.
What is the transfer function for a median filter. Determine the step response for a 5-point median filter. Determine the impulse response.
design the sign extension component of an I-Format Data Path Unit, where a 16 bit number will be extended to a 32-bit number, while mainintaing the sign (signed numbers use 2s complement).
Identify the intervals of interest for performing the convolution {x[n]*h[n]} on the following LTI system. This experiment requires that you write the summations for each interval of interest, but does not required you to simplify the summations.
A 1.4 mF capacitor has initial voltage of 19 V.The energy stored in the capacitor is used to light up a 0.5 KOhm lamp.Assuming that the lamp is completely dimmed when the current through it is less than 0.4 mA, for how long can the capacitor susta..
A meter has a resistance of 100Ω and gives a full scale deflection when it carries a currentof 25 μA. (a) What resistor, Rx, would you connect in parallelwith this meter in order to construct an ammeter which gives afull-scale deflection for a cur..
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