Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Follow on > Block 7 Unit 2 > Flashcards

Block 7 Unit 2 Flashcards

1
Q

This enables communication with ground troops and foreign and domestic civilian air traffic control

A

Very high frequency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Purpose of very high frequency

A

Enables communication with ground troops and ATC
AM direction finding
FM homing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the operating voltage is a VHF

A

28 VDC nominal

18 VDC Emergency 

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Modes of VHF

A 
AM/FM Voice
Emergency AM/FM Voice
ADF
FM homing
Tone
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Output power of VHF

A

AM - 10 Watts

FM - 16 Watts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the channel spacing of VHF

A

25 kHz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Propagation method of VHF

A

Direct waves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Frequency range of VHF

A

FM RX/TX : 30 - 87.975 MHz
AM RX : 108 - 117.975 MHz
AM RX/TX : 118 - 151.975 MHz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Type of modulation of VHF

A

Amplitude modulation

frequency modulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Guard frequencies of VHF

A

FM - 40.5 MHz

AM - 121.5 MHz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Duty cycle of VHF

A

1 min transmitting 5 minutes receiving

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What radio is used for VHF

A

Arc 186

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What serial control word controls the RT

A

32-bit serial control word

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Used with FM homing only and switches R/T receiver between two antennas to provide relative bearing to transmitting source

A

Signal data comparator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Antennas of VHF

A 
Upper lower AM FM voice 
Two FM homing wingtips 
1 ADF 
singleband antenna 
dual band antenna
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

This module of the VHF contains antenna switching AM MODULATION transmitting receiving switching sides Stonegate voltage regulation on and off control and filtering

A

Transmitter A1

17
Q

This module provides the R/T with all required voltage from signal 24 VDC input provided from the A1 transmitter

A

Power supply A2

18
Q

This module has two functions and is used in audio switching filtering amplification and tone generation

A

Audio card A3

19
Q

This module has two sub parts in it

A

Receiver A4

20
Q

This receiver is where heterodyne takes place and wear the output is the intermediate frequency

A

RF receiver A4A2

21
Q

This receiver is where detection takes place and contains squelch circuits

A

IF receiver A4A1

22
Q

This module provides injection frequencies for the receiver transmitter and his where FM modulation takes place

A

Synthesizer A5

23
Q

This module receives the 32 bit serial data word from the RSC and is only used in remote

A

Serial receiver A8

24
Q

What is the operating power of VHF system

A

28 VDC aircraft power

25
Q

Where is AM modulation taken place in VHF system

A

Transmitter A1

26
Q

Where is FM modulation in the VHF system taking place

A

Synthesizer A5

Follow on (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions