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.

601 questions | Page 16 of 29
E6D01

What is piezoelectricity?

E6D02

What is the equivalent circuit of a quartz crystal?

E6D03

Which of the following is an aspect of the piezoelectric effect?

E6D04

Why are cores of inductors and transformers sometimes constructed of thin layers?

E6D05

How do ferrite and powdered iron compare for use in an inductor core?

E6D06

What core material property determines the inductance of an inductor?

E6D08

Which of the following materials has the highest temperature stability of its magnetic characteristics?

E6D09

What devices are commonly used as VHF and UHF parasitic suppressors at the input and output terminals of a transistor HF amplifier?

E6D10

What is a primary advantage of using a toroidal core instead of a solenoidal core in an inductor?

E6D11

Which type of core material decreases inductance when inserted into a coil?

E6D12

What causes inductor saturation?

E6E01

Why is gallium arsenide (GaAs) useful for semiconductor devices operating at UHF and higher frequencies?

E6E02

Which of the following device packages is a through-hole type?

E6E03

Which of the following materials supports the highest frequency of operation when used in MMICs?

E6E04

Which is the most common input and output impedance of MMICs?

E6E05

Which of the following noise figure values is typical of a low-noise UHF preamplifier?

E6E06

What characteristics of MMICs make them a popular choice for VHF through microwave circuits?

E6E07

What type of transmission line is often used for connections to MMICs?

E6E08

How is power supplied to the most common type of MMIC?

E6E09

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.