Extra Class
The highest level of amateur radio license with full operating privileges on all amateur bands. Most technical exam. 50 questions, 37 needed to pass.
What is piezoelectricity?
What is the equivalent circuit of a quartz crystal?
Which of the following is an aspect of the piezoelectric effect?
Why are cores of inductors and transformers sometimes constructed of thin layers?
How do ferrite and powdered iron compare for use in an inductor core?
What core material property determines the inductance of an inductor?
Which of the following materials has the highest temperature stability of its magnetic characteristics?
What devices are commonly used as VHF and UHF parasitic suppressors at the input and output terminals of a transistor HF amplifier?
What is a primary advantage of using a toroidal core instead of a solenoidal core in an inductor?
Which type of core material decreases inductance when inserted into a coil?
What causes inductor saturation?
Why is gallium arsenide (GaAs) useful for semiconductor devices operating at UHF and higher frequencies?
Which of the following device packages is a through-hole type?
Which of the following materials supports the highest frequency of operation when used in MMICs?
Which is the most common input and output impedance of MMICs?
Which of the following noise figure values is typical of a low-noise UHF preamplifier?
What characteristics of MMICs make them a popular choice for VHF through microwave circuits?
What type of transmission line is often used for connections to MMICs?
How is power supplied to the most common type of MMIC?
Which of the following component package types have the least parasitic effects at frequencies above the HF range?
HAM Test Bank Editorial Team
Licensed Amateur Radio Operators & Volunteer Examiners
Content for Extra Class exam questions is based on official FCC Part 97 regulations and the NCVEC question pool.