【正文】 he above 3. Which FCC regulation governs the unlicensed ISM band? a) Part 15 b) Chapter 11 c) d) Subsection 11 4. In which semiconductor technology are the majority of cellphone PAs manufactured? a) Si/SiCMOS b) GaN c) GaAs/InGaP d) SiGe 5. What is a major advantage of Low Temperature Cofired Ceramic (LTCC) substrates? a) Densely integrated passive ponents b) Better thermal dissipation c) Lower bill of materials d) All the above 6. Which phone standard supports the highest data rate? a) iDEN b) GPRS c) EDGE d) GSM 7. Which ponent is typically not part of a frontend module (FEM)? a) Power amplifier b) Filter c) Switch d) Controller 8. Which two systems are most likely to experience concurrent operation problems? a) WLAN + GSM b) Bluetooth + WLAN c) GSM + WCDMA d) Bluetooth + AMPS 9. An isolator is typically required at the output of the PA for which transmitter system a) EDGE b) Bluetooth c) GSM d) CDMA/WCDMA 10. What is the monly claimed nominal operational range for Bluetooth? a) 10 m b) ft c) ^15 ltyr d) All the above RF Quiz 7: Radar Fundamentals 1. What is a “radar mile?” a) 1 nautical mile b) 1 statute mile c) 181。ndchen RF Quiz 10: A Sampling of RF Topics 1. What format would a nearfiled munications (13 MHz variety) antenna most likely take? a) Inductive coil b) Capacitive plate c) Yagi d) Parabolic dish 2. What does SOLT stand for? a) Short Overload Test b) Simple OperationaL Test c) Short, Open, Load, Through d) Strategic Offensive Limitation Talks 3. Which instrument would be best to use to locate a defective waveguide joint? a) Microscope b) Micrometer c) Spectrum Analyzer d) Time Domain Reflectometer 4. Which entity in the . determines whether an RF energyemitting device is allowed to be operated? a) The Federal Communications Commission b) The Amateur Radio Relay League c) The Honor System d) The Underwriter’s Laboratory 5. What does 2G, , 3G, etc., mean in reference to cellphones? a) The average cost of service, expressed in thousands of dollars ($ grand) per year b) The “generation” of the technology c) It is an arbitrary alphanumeric reference code d) The frequency band of operation, in GHz 6. Where would you be likely to find a free wireless Inter connection? a) Hotel Lobby b) Airport c) Your backyard d) All the above 7. Who hosts the MTTS International Microwave Symposium? a) Microwave Journal Magazine b) Microwaves amp。 c) fr?sn?l39。 EPlane bend 8. What is the value of the resistor shown on to the right? a) kΩ, 177。s constant c) electric field d) gravitational constant 2. To which constant is assigned? a) base of natural logarithms b) base of unnatural logarithms c) ratio of major and semimajor axis of an ellipse d) dielectric constant of ceramic 3. To which constant is 9,192,631,770 assigned? a) astronomical unit b) oscillations of a cesium atom in exactly one second c) picoangstroms in a meter d) hours in a lightyear 4. To which constant is *1035 m assigned? a) Planck length b) thickness of a human hair c) wavelength of yellow light d) tolerance of the standard meter 5. To which constant is *1028 g assigned? a) neutron rest mass b) proton acceleration c) electron rest mass d) photon acceleration 6. To which constant is m/s178。s bicep b) Free radical c) Electron d) Light particle 7. Audion a) Music aficionado b) Sound generator c) Vacuum tube triode d) Sound level meter 8. Caloric a) A stomach settling medical remedy b) Unit of work c) Unit of electrical resistance d) Fluid responsible for heat flow 9. Leyden jar a) Glass vacuum chamber b) Energy storage device (capacitor) c) Calibrated nudge d) Test tube 10. Voltaic pile a) Battery b) Hemorrhoid c) Large heap d) Nuclear reactor RF Quiz19 1. Which circuit law states that the sum of all currents into and out of a node equals zero? a) Norton39。s Current Law 2. How much power is dissipated by an ideal 100 pF capacitor fed by a 1 Vpkpk sinewave at 10 MHz? Hint: Z = 1/(2πfC) a) mW b) mW c) mW d) 0 mW 3. What causes a ground current loop? a) A coil of wire b) A open ground point c) More than one ground potential in a circuit d) A single ground potential in a circuit 4. What type of filter does this circuit represent? a) Highpass b) Lowpass c) Bandpass d) Bandstop 5. How many poles does the filter in Q4 have? a) 4 b) 2 c) 1 d) 0 6. What is the configuration of the opamp shown here? a) Integrator b) Differentiator c) Divider d) Multiplier 7. What is the secondary voltage of this transformer? a) 20 V b) 10 V c) 5 V d) 2 V 8. What is the impedance of the transformer secondary in Q7? a) 100 ? b) 20 ? c) 10 ? d) 4 ? 9. In an ideal system, what is the minimum sampling rate to prevent aliasing of a signal with a maximum frequency of 100 kHz? a) 1 MHz b) 200 kHz c) 100 kHz d) 10 kHz 10. Which type of diode typically has the lowest forward bias voltage for a given。s Current Law c) Kirchhoff39。s surface d) magic constant 7. To which constant is *1012 F/m assigned? a) rate of change of temperature in silicon b) speed of light in a vacuum c) permittivity of free space d) permeability of free space 8. To which constant is *108 km/s assigned to? a) orbital velocity b) electron speed c) acceleration of gravity d) speed of light in a vacuum 9. To which constant is *1023 J/K assigned? a) universal gas constant b) carbon band energy c) uranium band energy