FANDOM


T8AEdit

The T8A section covers modulation modes; bandwidth of various signals.
Click "Expand" to reveal the questions.

T8A01

Which of the following is a form of amplitude modulation?
Single sideband

T8A02

What type of modulation is most commonly used for VHF packet radio transmissions?
A. FM

T8A03

Which type of voice modulation is most often used for long-distance or weak signal contacts on the VHF and UHF bands?
SSB

T8A04

Which type of modulation is most commonly used for VHF and UHF voice repeaters?
[[FM}}

T8A05

Which of the following types of emission has the narrowest bandwidth?
CW

T8A06

Which sideband is normally used for 10 meter HF, VHF and UHF single sideband communications?
Upper sideband

T8A07

What is the primary advantage of single sideband over FM for voice transmissions?
SSB signals have narrower bandwidth

T8A08

What is the approximate bandwidth of a single sideband voice signal?
3 kHz

T8A09

What is the approximate bandwidth of a VHF repeater FM phone signal?
Between 5 and 15 kHz

T8A10

What is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band?
About 6 MHz

T8A11

What is the approximate maximum bandwidth required to transmit a CW signal?
150 Hz

Ad blocker interference detected!


Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.