T8A

Question 1

T8A06 (A)
Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

1 Upper sideband
2 Lower sideband
3 Suppressed sideband
4 Inverted sideband

Answer 1

1 Upper sideband

Question 2

T8A08 (B)
What is the approximate bandwidth of a single sideband (SSB) voice signal?

1 1 kHz
2 3 kHz
3 6 kHz
4 15 kHz

Answer 2

2 3 kHz

Question 3

T8A09 (C)
What is the approximate bandwidth of a VHF repeater FM phone signal?

1 Less than 500 Hz
2 About 150 kHz
3 Between 10 and 15 kHz
4 Between 50 and 125 kHz

Answer 3

3 Between 10 and 15 kHz

Question 4

T8A10 (B)
What is the typical bandwidth of analog fast-scan TV transmissions on the 70 centimeter band?

1 More than 10 MHz
2 About 6 MHz
3 About 3 MHz
4 About 1 MHz

Answer 4

2 About 6 MHz

Question 5

T8A11 (B)
What is the approximate maximum bandwidth required to transmit a CW signal?

1 2.4 kHz
2 150 Hz
3 1000 Hz
4 15 kHz

Answer 5

2 150 Hz