T7A - Practical circuits
Technician Class
Station equipment: receivers, transceivers, transmitter amplifiers, receive amplifiers, transverters; Basic radio circuit concepts and terminology: sensitivity, selectivity, mixers, oscillators, PTT, modulation
11 questions | Updated: Feb 19, 2026
Which term describes the ability of a receiver to detect the presence of a signal?
What is a transceiver?
Which of the following is used to convert a 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 at a specific frequency?
What device converts the RF input and output of a transceiver to another band?
What is the function of a transceiver’s PTT input?
Which of the following describes combining speech with an RF carrier signal?
What is the function of the switch which selects either SSB or CW-FM on some VHF power amplifiers?
What can be added to the output of a transceiver to increase the transmitted output power?
What is the function of the Variable Frequency Oscillator (VFO) circuit in a transceiver?