T7A-2014: Station equipment: receivers; transmitters; transceivers; modulation; transverters; low power and weak signal operation; transmit and receive amplifiers
Which term describes the ability of a receiver to detect the presence of a signal?
Total Harmonic Distortion
What is a transceiver?
A unit combining the functions of a transmitter and a receiver
A type of antenna switch
A component in a repeater which filters out unwanted interference
A type of antenna matching network
Which of the following is used to convert a radio signal from one frequency to another?
Which term describes the ability of a receiver to discriminate between multiple signals?
What is the name of a circuit that generates a signal of a desired frequency?
What device takes the output of a low-powered 28 MHz SSB exciter and produces a 222 MHz output signal?
What is meant by term “PTT”?
The push to talk function which switches between receive and transmit
Pre-transmission tuning to reduce transmitter harmonic emission
Precise tone transmissions used to limit repeater access to only certain signals
A primary transformer tuner use to match antennas
Which of the following describes combining speech with an RF carrier signal?
Which of the following devices is most useful for VHF weak-signal communication?
A multi-mode VHF transceiver
A quarter-wave vertical antenna
An omni-directional antenna
A mobile VHF FM transceiver
What device increases the low-power output from a handheld transceiver?
An RF power amplifier
A voltage divider
An impedance network
All of these choices are correct
Where is an RF preamplifier installed?
Between the antenna and receiver
At the output of the transmitter's power amplifier
Between a transmitter and antenna tuner
At the receiver's audio output
● = Unseen
● = Weak
● = Review
● = Learned
● = Incorrect answer