Station setup - T4A Flashcards Preview

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Flashcards in Station setup - T4A Deck (11):
1

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

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

2

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

A set of headphones

3

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

It prevents voltage fluctuations from reaching sensitive circuits

4

Where must a filter be installed to reduce harmonic emissions?

Between the transmitter and the antenna

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?

Band-reject filter

6

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

Terminal node controller

7

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

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

8

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

Flat strap

9

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

Ferrite choke

10

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

The alternator

11

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

At the battery or engine block ground strap