A 219-2 lossless air transmission line is connected to a complex load composed of a 579-Nresistor in series with a 0.01-mH inductor, as shown below. At 4 MHz, determine the voltage standing wave ratio, S. Zo L S =
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- A 502 transmission line is terminated with a 502 resistor on series with a 2 * 10 7H inductor. If the frequency of the operation is 60 * 10° MHz find the reflection coefficient at the load. Select one: O a. 0 O b. 0.45e22 O c. 1 O d. 0.36e56 O e. 0.6e-37A sinusoidal voltage wave is propagating on a low loss transmission line. The voltage as a function of position appears as shown below. From this plot, the phase constant B= Voltage 25 20 15 10 -10 -15 -20 -25 10 20 30 40 50 60 70 80 90 100 Meters 0.562 0.314 0.625 0.4894/ Which parameter is neglected or ignored in Short Transmission Lines? A. SHUNT CAPACITANCE ONLY B. SERIES CONDUCTANCE AND SHUNT CAPACITANCE C. SHUNT CONDUCTANCE AND SHUNT CAPACITANCE D. SHUNT CONDUCTANCE ONLY
- If the first and the third reflection coefficients of a matched line are 0.2 and 0.01, then the total reflection coefficient if quarter wave transformer is used for impedance matching is: O a. 0.2 O b. 0.21 O c. 0.2+j*0.01 O d. 0.19 O e. 0.2-j*0.01 O f. 0.017- DC Chopper with output voltage of 120V and input voltage of 80V and output power of 240W. Assume lossless chopper. The average inductance current IL is * 2.6 A 3.0A 4.3A 8- taking into account obtained duty cycle from previous task, the needed : capacitor for realizing 1% ripples at frequency of 10kHz is? * ?? 55.56 uF O 13. 34 uF 92.44 uFQ1/4 Choose the correct answers and fill the blanks for the following questions: 1. Matching of a transmission line with a characteristic impedance (Zo) and a load impedance (ZR) can be obtained when (b) ZR-2Z0 (a) ZR-0.5Zo (c) ZR-Zo (d) ZR-0 2. Standing wave ratio (S) for a short circuit load connected to a transmission line is equal to (a) S=0 (b) S=-1 (c) S=Infinity (d) S-1 3. Any transmission line repeats its impedance, voltage, and current characteristics every (Where n-0, 1, 2, 3....etc.) (b) nλ/3 (a) nλ/2 (c) nλ/5 (d) nλ/6 4. In smith chart, moving in the clockwise direction means moving. a) From load to generator b) From generator to load 5. In Crank diagram, moving in the clockwise direction from the load to the source can be evaluated using the formula a) +j2Bd b)-j3Bx c) -j2Bd d)-j2ßx 6. For a lossless transmission line operating with frequency 300MHz, and it has an inductance L-30mH/unit of length and a capacity C-75 µF/unit of length, the while the phase constant (B) is…
- 3) Solve the cutoff frequency for the first mode and second mode of WR975 Wave guide TABLE 7.1 Some Standard Rectangular Waveguides Waveguide de signation a (in) b (in) t (in) fe, (GHz) Frequency range (GHz) WR975 9.750 4.875 0.125 0.605 0.75-1.12 WR650 6.500 3.250 0.080 0.908 1.12–1.70 WR430 4.300 2.150 0.080 1.375 1.70-2.60 WR284 2.840 1.340 0.080 2.08 2.60-3.95 WR187 1.872 0.872 0.064 3.16 3.95-5.85 WR137 1.372 0.622 0.064 4.29 5.85-8.20 WR90 0.900 0.450 0.050 6.56 8.2–12.4 WR62 0.622 0.311 0.040 9.49 12.4–18Q4) A- For the following SWR Pattern, find the reflection coefficient of the load and Ag . -8.6 43 - mm.i- 80. Bo 140 B- Draw the SWR pattern for a matched load, comment on that pattern.A single-phase transmission line consisting of two conductors, the radius of each conductor is 0.4 cm, the distance between the conductors is three and half meters and the height above ground is eight 1-The capacitance in uF/km without effect of ground is 2-The capacitance in pF/km with effect of ground is
- The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase ? (a) 0.83 (b) 1.0 (c) 1.13 (d) 1.2In an air line, adjacent maxima are found at 12.5 cm and 37.5 cm. The operating fre- quency is (a) 1.5 GHz (b) 600 MHz (c) 300 MHz (d) 1.2 GHz3. Generate a square wave of 0.5Hz with a duty of 50% on pin P1.0 as XTAL = 12 MHz. U1 12DXINT PODADO P0.1/AD1 PO 2/AD2 18 XTAL2 PO.3/AD3 P0.4/AD4 34 PO.S/ADS PO.6/AD6 9 32 RST PO.7/AD7 P2.0IAS 21 P2.1/49 P22/A10 PSEN ALE P2 3/A11 P2.4/A12 P2.5/A13 P2.6/A14 25 26 EA 20 P2.7/A15 10 P1.0 2 P1.1 P12 P1.3 P3.ORXD P3 1/TXD11 P32TS 12 P3.3ANT113 P1.4 P1.5 P34/7014 P15/T1 P3.6WR 15 16 17 P1.6 P1.7 P3.7/RD 50651 4 4 I R1 0.01 R2 0.01k D2 LED-BIBY D1 ■ LED-BIBY 30 31 -2.1