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Perguntas do quiz (38)
1Expand MSK [blank_start]Minimum Shift Keying[blank_end]
- AMinimum Shift Keying
2What is an MSK?
- ATerm given to a FSK transmission which has a baud speed 2 times the shift
- BTerm given to a FSK transmission which has a baud speed 3 times the shift
- CTerm given to a FSK transmission which has a baud speed 1.5 times the shift
3What Does NREL stand for? [blank_start]Number of elements per level[blank_end]
- ANumber of elements per level
4Is a data rate the number of bits recieved as data by the recieving equipment?
- AVerdadeiro
- BFalso
5How is the data rate calculated?
- A2( Shift+Bauds)
- BShift + Bauds
- CNumber of elements per level x modulation rate
6Expand FKF [blank_start]Fundemental Keying Frequency[blank_end]
- AFundamental Keying Frequency
7In On/Off Keying what is the FKF calculation?
- AModulation x 2
- BModulation / 2
- CModulation / 3
8Multiple elements put together to form a character or in the case of morse code a letter is explaining what term? [blank_start]code character[blank_end]
- Acode character
9What are the AGC terms?
- Along
- Bmedium
- Cshort
- Doff
- Ehigh
- Flow
10Define Telegraphic Structure.
[blank_start]Arrangement[blank_end] and [blank_start]Polarity[blank_end] of elements employed to convey information- AArrangement
- BPolarity
11Arrangement and polarity of elements emplyed to convey information is defining what? [blank_start]Telegraphic Structure[blank_end]
- ATelegraphic Structure
12The generation of new frequencies by mixing and multiplying two waveforms is what? [blank_start]Hetrodyning[blank_end]
- AHetrodyning
13What is the calculation to work out the minimum bandwidth? (do not use spaces) [blank_start]Shift+Bauds[blank_end]
- AShift+Bauds
14In Frequency Modulation what is the calculation used to work out the Transmission Bandwidth?
- A2(FD + FM)
- BShift + Bauds
- CBauds X 5
15Carsons rule is which calculation below?
- A2 (FD+FM)
- BBauds / 3
- CShift + Bauds
16How many bits of data fit into a 32MFSK? (Enter number)[blank_start]5[blank_end]
- A5
17How many bits of data fit into a single FKF? (Enter number)[blank_start]1[blank_end]
- A1
18How many bits of data fit into a 4MFSK? (Enter number)[blank_start]2[blank_end]
- A2
19How many bits of data fit into a 8MFSK? (Enter number)[blank_start]3[blank_end]
- A3
20How many bits of data fit into a 16MFSK? (Enter number)[blank_start]4[blank_end]
- A4
21How many bits of data fit into a 64MFSK? (Enter number)[blank_start]6[blank_end]
- A6
22What is the SMI of an MSK? [blank_start]0.5[blank_end]
- A0.5
23What is the range of a voice grade channel?
- A0 - 4KHz
- B300Hz - 3400Hz
- C16KHz - 1.6MHz
24The Depth of Modulation indicates how much the RF is affecting the AF
- AVerdadeiro
- BFalso
25The Depth of Modulation indicates how much the AF is affecting the RF
- AVerdadeiro
- BFalso
26What are the 4 Receiver Principles?
St[blank_start]ability[blank_end]
Sen[blank_start]sitivity[blank_end]
Sel[blank_start]ectabilty[blank_end]
N[blank_start]oise[blank_end]- Aability
- Bsitivity
- Cectabilty
- Doise
27What is being described below?
A device within a receiver that passes a certain range of frequencies while rejecting other frequencies
A [blank_start]Filter[blank_end]- AFilter
28What is this term in FM?
the difference between highest and lowest frequency the modulating wave can attain.
[blank_start]frequency swing[blank_end]- Afrequency swing
29What does IF stand for?
[blank_start]Intermediate Frequency[blank_end]- AIntermediate Frequency
30Expand AF
[blank_start]Audio frequency[blank_end]- AAudio frequency
31In SSB what state can the carrier be in?
- ALow
- BHigh
- Cshort
- DFull
- EReduced
- FSuppressed
32Expand SSB
[blank_start]Single Side Band[blank_end]- ASingle Side Band
33What is this reffering to?
Is a function of time and in its polarity is either mark or space
[blank_start]element[blank_end]- Aelement
34What is the simplest form of amplitude modulation?
[blank_start]on off keying[blank_end]- Aon off keying
35FM can be distorted
- AVerdadeiro
- BFalso
36Due to an unlimited bandwidth cannot be over modulated
- AVerdadeiro
- BFalso
37In FM if the amplitude is increased will also increase
- AVerdadeiro
- BFalso
38What is the term being described below?
Exlcudes undesired lower-power input signals that maybe present or near the frequency of the desired signal
[blank_start]squelch[blank_end]- Asquelch
Informações
- Descrição
- This is an overall test to assist with revision
- Autor
- Jake Hart
- Idioma
- English
- Visualizações
- 19
- Etiquetas
- Avaliação
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