Description : What is the required quality factor for an SSB filter with the following data: center frequency= 1 MHz, the desired attenuation level of the unwanted sideband= 80 dB and the separation between sidebands= 200 Hz? A. 1,250 B. 12,500 C. 125,000 D. 25,000
Last Answer : C. 125,000
Description : What are two advantages of ssb transmission?
Last Answer : It saves power and frequency bandwidth.
Description : What two components give a ssb receiver its advantages over an AM superheterodyne receiver?
Last Answer : A special type of detector and a carrier reinsertion oscillator
Description : With a single modulating tone, what is the amplitude of the sideband frequencies at 100-percent modulation?
Last Answer : One-half the amplitude of the carrier.
Description : What is the output frequency of an upper-sideband parametric-frequency converter?
Last Answer : The sum of the input frequency and the pump frequency.
Description : ECE Board Exam March 1996 SSB transmission requires only ______ of the bandwidth for a DSBFC transmission. A. ¼ B. 2/3 C. ½ D. ¾
Last Answer : C. ½
Description : ECE Board Exam March 1996 The letter-number designation B8E is a form of modulation also known as ___________. A. pilot carrier system B. independent sideband emission C. lincomplex D. vestigial sideband transmission
Last Answer : B. independent sideband emission
Description : What is the emission designation of a single sideband reduced carrier signal? A. H3E B. J3E C. R3E D. B8E
Last Answer : C. R3E
Description : Refers to the first symbol in an emission designation with an amplitude modulated main carrier represented by letter H. A. Single sideband suppressed carrier B. Double sideband full carrier C. Independent sideband D. Double sideband
Last Answer : B. Double sideband full carrier
Description : A form of single sideband emission where the degree of carrier suppression enable the carrier to be reconstituted and be used for demodulation. A. Half carrier single sideband emission B. Full carrier single sideband emission C. Reduced carrier single sideband emission D. Double sideband emission
Last Answer : C. Reduced carrier single sideband emission
Description : A single sideband emission in which the degree of carrier suppression enables the carrier to be reconstituted and to be used for demodulation. A. Reduce carrier single sideband emission ... single sideband emission C. Full carrier single sideband emission D. Standard single sideband emission
Last Answer : A. Reduce carrier single sideband emission
Description : What is the main advantage of using a time-domain reflectometer (tdr) to test a transmission line?
Last Answer : Tdr will indicate the nature of and the distance to or location of any faults.
Description : . What is the primary advantage of an fsk transmission system?
Last Answer : Resistance to noise interference.
Description : What modulation is normally used with digital data? A. AM B. FM C. SSB D. QPSK
Last Answer : D. QPSK
Description : What type of modulation is used on voice and video signals? A. AM B. FM C. SSB D. QPSK
Last Answer : B. FM
Description : With which emission type is the capture-effect most pronounced? A. CW B. FM C. SSB D. AM
Description : For AM, fc =500kHz , fm = 5 kHz Determine: (i) Upper and lower sideband frequencies (ii) Bandwidth
Last Answer : Given data fc = 500KHz , fm = 5KHz USB =fc+fm USB = 500+5 =505 KHz. LSB =fc – fm LSB = 500 – 5 =495 KHz Bandwidth = 2fm . = 2* 5 =10 KHz
Description : How do you copy a SSB:B file to a memory card?
Last Answer : It can’t be copied because of the wifi abilities. Nintendo thinks we are going to cheat.
Description : What are the golden hammers in the challenge section of SSB:B?
Last Answer : Well you know how there are all those different blocks on the challenge section. If you use a hammer on one of those blocks it completes the challenge for you. So i would save them for the harder challenges you dont feel like doing like “beat classic mode with every character”
Description : What is the full form of 'SSB' ? -How To ?
Last Answer : The full form of 'SSB' is Service Selection Board
Description : How does a SSB transmitter output power normally expressed? A. Average power B. In terms of peak envelop power C. In terms of peak-to-peak power D. Peak power
Last Answer : B. In terms of peak envelop power
Description : Used for time division multiplexing. A. Frequency modulation B. Pulsed modulation C. SSB D. Amplitude modulation
Last Answer : B. Pulsed modulation
Description : An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W
Last Answer : An SSB transmitter produces a peak-to-peak voltage of 200 V across a 100 Ω antenna load. What is the Peak Envelope Power? A) 49.98 W B) 79.98 W C) 99.96 W D) 199.93 W
Description : For 100% modulation, power in each sideband is ________ of that of carrier? a) 50% b) 70% c) 60% d) 25%
Last Answer : Ans: D
Description : How many sidebands are present in the J3E mode? A. Two sidebands and a carrier B. One upper sideband C. One lower sideband D. Two carriers and one sideband
Last Answer : B. One upper sideband
Description : Type of modulation used in TV broadcast visual transmitter. A. Pulse modulation B. DSBFC C. Vestigial sideband D. SSBFC
Last Answer : C. Vestigial sideband
Description : In the designation of bandwidth and emission, what letter in the first symbol represents a double-sideband type of modulation? A. A B. B C. C D. H
Last Answer : A. A
Description : Which transmit only one sideband? A. A3E B. 3AJ C. 11BE D. H3E
Last Answer : D. H3E
Description : Which symbol indicates that only one sideband is transmitted? A. A3E B. B8E C. C3F D. H3E
Description : Which determines the number of sideband components of FM? A. Modulation frequency B. Modulation index C. Carrier frequency D. All of these
Last Answer : B. Modulation index
Description : In an amplitude modulated waveform, the amplitude of the sideband is
Last Answer : 1/2 carrier amplitude x modulation index
Description : What is a major advantage of the crimped terminal over the soldered terminal?
Last Answer : Requires relatively little operator skill to install.
Description : What advantage does a half adder have over a quarter adder?
Last Answer : The half adder generates a carry.
Description : What main advantage does a bridge rectifier have over a conventional full-wave rectifier?
Last Answer : The bridge rectifier can produce twice the voltage with the same size transformer.
Description : What is the primary advantage of power-amplifier transmitters over keyed-oscillator transmitters?
Last Answer : Frequency stability.
Description : What is the advantage of using in-line wattmeters over output power meters?
Last Answer : Most in-line wattmeters are capable of measuring both forward and reflected power.
Description : For power measurements, what advantage does an electronic wattmeter have over an electrodynamic wattmeter?
Last Answer : Electronic wattmeters are capable of measuring high-fequency signals.
Last Answer : The bridge rectifier can produce double the voltage with the same size transformer.
Description : What is the great advantage of computers over typewriters?
Last Answer : Correcting errors.
Description : What is the primary advantage of bulk-effect devices over normal pn-junction semiconductors?
Last Answer : Larger microwave power outputs.
Description : Why is direct accessing of data a big advantage over the sequential accessing of data?
Last Answer : It gives us fast, immediate access to specific data without having to examine each and every record from the beginning.
Description : What advantage does a shunt motor have over a series motor?
Last Answer : It maintains a constant speed under varying loads.
Description : What is the major advantage of a transistor over a tube?
Last Answer : Rugged design.
Description : What is the primary advantage of the electrodynamometer type meter over the D’Arsonval-type meter?
Last Answer : The electrodynamometer-type meter can be used to measure both ac and dc currents.
Description : What, if any, noise susceptibility advantage exists for pulse-amplitude modulation over analog amplitude modulation?
Last Answer : Both are susceptible to noise and interference
Description : What determines the bandwidth of an AM transmission?
Last Answer : The highest modulating frequency.
Description : Where is the intelligence in an AM transmission located?
Last Answer : The intelligence is contained in the spacing between the carrier and sideband frequencies.
Description : The transmission of still images over an electrical communications system is known as what?
Last Answer : Facsimile.