Station setup - T4A

Question 1

Which of the following is true concerning the microphone connectors on amateur transceivers?

Answer 1

Some connectors include push-to-talk and voltages for powering the microphone

Question 2

What could be used in place of a regular speaker to help you copy signals in a noisy area?

Answer 2

A set of headphones

Question 3

Which is a good reason to use a regulated power supply for communications equipment?

Answer 3

It prevents voltage fluctuations from reaching sensitive circuits

Question 4

Where must a filter be installed to reduce harmonic emissions?

Answer 4

Between the transmitter and the antenna

Question 5

What type of filter should be connected to a TV receiver as the first step in trying to prevent RF overload from a nearby 2 meter transmitter?

Answer 5

Band-reject filter

Question 6

Which of the following would be connected between a transceiver and computer in a packet radio station?

Answer 6

Terminal node controller

Question 7

How is the computer’s sound card used when conducting digital communications using a computer?

Answer 7

The sound card provides audio to the microphone input and converts received audio to digital form

Question 8

Which type of conductor is best to use for RF grounding?

Answer 8

Flat strap

Question 9

Which would you use to reduce RF current flowing on the shield of an audio cable?

Answer 9

Ferrite choke

Question 10

What is the source of a high-pitched whine that varies with engine speed in a mobile transceiver’s receive audio?

Answer 10

The alternator

Question 11

Where should a mobile transceiver’s power negative connection be made?

Answer 11

At the battery or engine block ground strap