Uploaded February 2026 | Updated September 2026, 1 week ago
Technician Exam Questions Part 21.
T7A – Station equipment: receivers, transceivers, transmitter amplifiers, receive amplifiers, transverters; Basic radio circuit concepts and terminology: sensitivity, selectivity, mixers, oscillators, PTT, modulation.
T7B – Symptoms, causes, and cures of common transmitter and receiver problems: overload and overdrive, distortion, interference and consumer electronics, RF feedback.
This episode of Ham College (0:00-0:03) focuses on preparing viewers for the amateur radio technician exam, particularly covering topics related to station equipment and common radio problems.
The discussion includes:
Station Equipment (2:32-2:54): A detailed look at components like receivers, transceivers, amplifiers, and transverters, along with essential radio circuit concepts such as sensitivity (3:40), selectivity (10:50), mixers (6:44), oscillators (12:23), and modulation (16:50). A transceiver is defined as a device combining a receiver and a transmitter (5:31).
Troubleshooting Radio Problems (2:56-3:10): The hosts address issues like overload and overdrive, distortion, interference from consumer electronics, and RF feedback. They explain how to identify and resolve these problems, including using a ferrite choke to cure distorted audio (32:33) and installing a band-reject filter to reduce overload from FM stations (39:53).
Interference and Solutions (30:58): The video explains how fundamental overload, harmonics, and spurious emissions can cause radio frequency interference (31:10) and provides strategies to reduce or eliminate them, such as blocking amateur signals with a filter at the antenna input of the affected receiver (35:48).
The episode also includes a giveaway of an Icom Ham Crew T-shirt (26:16) and shares information on how to contact Ham College through email and social media (53:49).
Technician Exam Questions Part 21.
T7A – Station equipment: receivers, transceivers, transmitter amplifiers, receive amplifiers, transverters; Basic radio circuit concepts and terminology: sensitivity, selectivity, mixers, oscillators, PTT, modulation.
T7B – Symptoms, causes, and cures of common transmitter and receiver problems: overload and overdrive, distortion, interference and consumer electronics, RF feedback.
This episode of Ham College (0:00-0:03) focuses on preparing viewers for the amateur radio technician exam, particularly covering topics related to station equipment and common radio problems.
The discussion includes:
Station Equipment (2:32-2:54): A detailed look at components like receivers, transceivers, amplifiers, and transverters, along with essential radio circuit concepts such as sensitivity (3:40), selectivity (10:50), mixers (6:44), oscillators (12:23), and modulation (16:50). A transceiver is defined as a device combining a receiver and a transmitter (5:31).
Troubleshooting Radio Problems (2:56-3:10): The hosts address issues like overload and overdrive, distortion, interference from consumer electronics, and RF feedback. They explain how to identify and resolve these problems, including using a ferrite choke to cure distorted audio (32:33) and installing a band-reject filter to reduce overload from FM stations (39:53).
Interference and Solutions (30:58): The video explains how fundamental overload, harmonics, and spurious emissions can cause radio frequency interference (31:10) and provides strategies to reduce or eliminate them, such as blocking amateur signals with a filter at the antenna input of the affected receiver (35:48).
The episode also includes a giveaway of an Icom Ham Crew T-shirt (26:16) and shares information on how to contact Ham College through email and social media (53:49).
